CN104206240A - Rice seedling raising method for rice seedling transplantation of soilless straw substrate rice seedling transplanter - Google Patents
Rice seedling raising method for rice seedling transplantation of soilless straw substrate rice seedling transplanter Download PDFInfo
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- CN104206240A CN104206240A CN201410457986.5A CN201410457986A CN104206240A CN 104206240 A CN104206240 A CN 104206240A CN 201410457986 A CN201410457986 A CN 201410457986A CN 104206240 A CN104206240 A CN 104206240A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The invention discloses a rice seedling raising method for rice seedling transplantation of a soilless straw substrate rice seedling transplanter. The method comprises the following steps: selecting a rice seedling raising bed; applying 3-5 kg of fermented and decomposed organic fertilizer every square meter of the seedling bed; uniformly mixing with the soil of the seedling bed; then tidying rice seedling compartments; next applying 20-30 g of nitrogen fertilizer and 30-50 g of phosphorus fertilizer every square meter of rice seedling compartment; smashing the straws to be below 3 mm; then adding water into the straws and stirring to obtain the rice seedling raising substrate with water content of 75-85 percent by weight; placing 180-250 g of the rice seedling raising substrate in each rice seedling tray, leveling and compacting the substrate into the rice seedling raising substrate with thickness of 2-2.5 cm, and then watering into the rice seedling trays until the water at the bottom of the rice seedling tray reaches the saturation state. The straws are directly used as the soilless straw substrate after being smashed, so that the production processes such as soil fetching and soil sieving are reduced, and the labor intensity of rice growers is reduced.
Description
Technical field
The present invention relates to a kind of method of raising seedling without native straw matrix rice planting technology, in the seedling raising ground substance of the method, adopt soilless breeding seeding.
Background technology
In Sichuan, transplanting area expands year by year, and the seedling field area of needs is also continuous increase, and transplanting seedling field needs a large amount of plow layer and fine sand soil, and nursery of year after year fetching earth will destroy good farmland, sand ground and vegetation.
Sichuan Province is grain and oil main producing regions, maize sown area more than 1,900 ten thousand mu, Monitoring of Paddy Rice Plant Area more than 2,900 ten thousand mu, wheat planting area more than 1,900 ten thousand mu, rapeseed cultivation area more than 1,400 ten thousand mu, every year by producing a large amount of stalks, has the stalk of more than 80% to be incinerated in the ground by peasant household, cause a large amount of wastings of resources, serious environment pollution.
At present some seedling patent straws utilize technology, by processes such as stacking, fermentation, air dry, pulverizing, cause that cost is high, benefit is low, place is large, limit the popularization of this technology; Meanwhile, some patent seedling medium products are and difficult decomposed substance harmful containing Prof. Du Yucang adhesive, water-loss reducer, antistaling agent etc. generally, in use creates secondary pollution, creates again new remaining to crop quality.
Rice mechanization rice transplanting has and saves time, saving of labor, rice transplanting specification, is beneficial to the feature of high yield, and it is welcome by vast farmers friend deeply; But mechanized planting needs with special seedling Nutrition Soil and loaded down with trivial details disinfectant measure, complex process, time-consumingly to take a lot of work.
Summary of the invention
The object of the invention is to need to adopt soil to prepare seedling raising ground substance for existing seedling raising ground substance, the technical problem of process for preparation complexity, the invention provides a kind of method of raising seedling without native straw matrix rice planting technology.
In order to reach above-mentioned technique effect, the present invention takes following technical scheme:
The invention provides a kind of method of raising seedling without native straw matrix rice planting technology, the step of this method of raising seedling is as follows:
A, arrangement seedling seedbed
Select rice seedling raising bed, apply the fertilizer of the fermentation maturity of 3 ~ 5kg with every square metre of seedbed, and mix with seedbed soil, then arrange seedling railway carriage or compartment, then apply 20 ~ 30g nitrogenous fertilizer and 30 ~ 50g phosphate fertilizer with every square meter seedling railway carriage or compartment;
B, prepare seedling raising ground substance
By crushed stalk to below 3mm, then in stalk, water is added, stir obtain water content by weight 75 ~ 85% seedling raising ground substance, seedling dish is placed in the seedling raising ground substance often coiling seedling dish 180 ~ 250g, leveling is compacted into the seedling raising ground substance of thickness 2 ~ 2.5cm, then waters in seedling dish to seedling dish moisture of trying to get to the heart of a matter and to reach capacity state;
C, sowing seedling
The hybrid rice bud seed-grain of conventionally presoaking and germinating is covered with in the seedling dish of seedling raising ground substance with the amount uniform broadcasting of 60.0 ~ 120.0g/ dish to step B, then by the stalk of the stalk after pulverizing at Fructus Oryzae Germinatus kind surface coverage thickness 0.3 ~ 0.5cm; Then nursery is carried out in seedling railway carriage or compartment seedling dish being placed in steps A;
D, seedbed management
After seed sprouting, keep field moistening, allow furrow surface and ditch in fertilizer supplemented by the nutrition of movement to rice shoot of moisture, until rice shoot grow to leaf wholeheartedly to two leaf wholeheartedly time, spray urea according to seedling growth situation, when rice shoot is educated to three leaves or four leaves, control the water yield, prepare to transplant.
According to the preferred embodiment of the present invention, described stalk is that one or more are selected from the stalk of maize straw, rice straw, wheat stalk or rape stalk.
According to the preferred embodiment of the present invention, described nitrogenous fertilizer is that one or more are selected from the nitrogenous fertilizer of ammonium sulfate, ammonium chloride, ammonium nitrate or urea.
According to the preferred embodiment of the present invention, described phosphate fertilizer is superphosphate or fused calcium magnesium phosphate.
According to the preferred embodiment of the present invention, described fertilizer is that one or more are selected from the fertilizer of pig manure, horsehit, cow dung, chicken manure, duck excrement or human excrement.
According to the preferred embodiment of the present invention, described fertilizer is the fertilizer fermented that becomes thoroughly decomposed under field conditions (factors).
According to the preferred embodiment of the present invention, described seedling dish specification is 58.8cm × 28cm × 2cm.
According to the preferred embodiment of the present invention, described seedling railway carriage or compartment is according to the wide 1.2 ~ 1.4m in railway carriage or compartment, railway carriage or compartment furrow width 0.3 ~ 0.5m, and the specification of the high 0.1 ~ 0.15m in railway carriage or compartment carries out arranging.
More detailed explanation is done to the present invention below.
The invention provides a kind of method of raising seedling without native straw matrix rice planting technology, the step of this method of raising seedling is as follows:
A, arrangement seedling seedbed
Select rice seedling raising bed, apply the fertilizer of the fermentation maturity of 3 ~ 5kg with every square metre of seedbed, and mix with seedbed soil, then arrange seedling railway carriage or compartment, then apply 20 ~ 30g nitrogenous fertilizer and 30 ~ 50g phosphate fertilizer with every square meter seedling railway carriage or compartment;
B, prepare seedling raising ground substance
By crushed stalk to below 3mm, then in stalk, water is added, stir obtain water content by weight 75 ~ 85% seedling raising ground substance, seedling dish is placed in the seedling raising ground substance often coiling seedling dish 180 ~ 250g, leveling is compacted into the seedling raising ground substance of thickness 2 ~ 2.5cm, then waters in seedling dish to seedling dish moisture of trying to get to the heart of a matter and to reach capacity state;
C, sowing seedling
The hybrid rice bud seed-grain of conventionally presoaking and germinating is covered with in the seedling dish of seedling raising ground substance with the amount uniform broadcasting of 60.0 ~ 120.0g/ dish to step B, then by the stalk of the stalk after pulverizing at rice bud seed-grain surface coverage thickness 0.3 ~ 0.5cm; Then nursery is carried out in seedling railway carriage or compartment seedling dish being placed in steps A;
D, seedbed management
After seed sprouting, keep field moistening, allow furrow surface and ditch in fertilizer supplemented by the nutrition of movement to rice shoot of moisture, until rice shoot grow to leaf wholeheartedly to two leaf wholeheartedly time, spray urea according to seedling growth situation, when rice shoot is educated to three leaves or four leaves, control the water yield, prepare to transplant.
In the present invention, seedling raising ground substance is made up of the stalk pulverized, and does not need to increase any material in straw, just the carrier of straw as a nursery is used.
The present invention does not need the nutrient component of adding fertilizer or npk fertilizer in seedling raising ground substance, can reach the effect of cultivating strong sprout equally; In order to reach, the light letter of transplanting is efficient to be executed the nutriment required for seedling growth in the ground, seedbed in seedling rice seedling bed without native straw matrix method of raising seedling in the present invention, reaches the same effect completely.
In the present invention, after fertilizer and seedbed soil mix, nitrogenous fertilizer and phosphate fertilizer is applied on surface, seedling railway carriage or compartment, for seedling provides nutrient component, this nutrient component does not mix with seedling straw substrate and is placed on seedling dish, and in seedling process, rice shoot directly can obtain nutrient component from seedbed, not only can save the process for preparation of seedling raising ground substance, the quality of seedling raising ground substance of the present invention is light simultaneously, decreases carrying and cost of transportation, reduces labour; And the unabsorbed nutrient component put in seedbed also can be the seedling in next season and provides nutrient component.
According to the preferred embodiment of the present invention, described stalk is that one or more are selected from the stalk of maize straw, rice straw, wheat stalk or rape stalk.
According to the preferred embodiment of the present invention, described nitrogenous fertilizer is that one or more are selected from the nitrogenous fertilizer of ammonium sulfate, ammonium chloride, ammonium nitrate or urea.
According to the preferred embodiment of the present invention, described phosphate fertilizer is superphosphate or fused calcium magnesium phosphate.
According to the preferred embodiment of the present invention, described fertilizer is that one or more are selected from the fertilizer of pig manure, horsehit, cow dung, chicken manure, duck excrement or human excrement.
According to the preferred embodiment of the present invention, described fertilizer is under field conditions (factors) through the fertilizer of fermentation maturity.
According to the preferred embodiment of the present invention, described seedling dish specification is 58.8cmx28cmx2cm.
According to the preferred embodiment of the present invention, described seedling railway carriage or compartment is according to the wide 1.2 ~ 1.4m in railway carriage or compartment, railway carriage or compartment furrow width 0.3 ~ 0.5m, and the specification of the high 0.1 ~ 0.15m in railway carriage or compartment carries out arranging.
The present invention compared with prior art, has following beneficial effect:
(1) after the present invention adopts crushed stalk, directly use as without native straw matrix, decrease and fetch earth, sieve the production processes such as soil, alleviate the labour intensity of rice agriculture.
(2) seedling straw substrate of the present invention, without the need to carry out fermentation can directly as seedling raising ground substance for seedling, this matrix institute seedling raising quality is good, basically identical with ordinary nutritional soil seedling rice shoot on plant height and radical, show as that root is white, look just, growth is neat, is very suitable for mechanical work rice transplanting.
(3) seedling raising ground substance of the present invention comparatively ordinary nutritional soil to have quality light, be convenient to transport and transplant, and easy to make; This seedling raising ground substance is used for seedling, and face, railway carriage or compartment, without weeds, decreases labour intensity and the cost of rice agriculture.
Embodiment
Below in conjunction with embodiments of the invention, the invention will be further elaborated.
Embodiment 1:
Select rice seedling raising bed, apply the pig manure of the fermentation maturity of 3kg with every square metre of seedbed, and mix with seedbed soil, then according to the wide 1.2m in railway carriage or compartment, the specification of railway carriage or compartment furrow width 0.3m, railway carriage or compartment height 0.1m carries out arrangement seedling railway carriage or compartment, then applies 30g urea and 50g superphosphate with every square meter seedling railway carriage or compartment.The pig manure of fermentation maturity is the fertilizer fully fermented under field conditions (factors) by pig manure.
Rape stalk is crushed to below 3mm, then in rape stalk, water is added, stir obtain water content by weight 80% seedling raising ground substance, often to coil the seedling dish that seedling dish 200g rape seedling raising ground substance is placed in seedling dish specification 58.8cm × 28cm × 2cm, leveling is compacted into the seedling raising ground substance of thickness 2 ~ 2.5cm, then waters in seedling dish to seedling dish moisture of trying to get to the heart of a matter and to reach capacity state.
By the hybrid rice bud seed-grain of conventionally presoaking and germinating with the amount uniform broadcasting of 100.0g/ dish in the seedling dish being covered with seedling raising ground substance, then by the rape stalk of the rape stalk after pulverizing at rice bud surface coverage thickness 0.3 ~ 0.5cm; Then seedling dish is placed on seedling railway carriage or compartment and carries out nursery.
After seed sprouting, keep field moistening, allow furrow surface and ditch in fertilizer supplemented by the nutrition of movement to rice shoot of moisture, until rice shoot grow to leaf wholeheartedly to two leaf wholeheartedly time, urea (reality is not used) is sprayed according to seedling growth situation, when rice shoot is educated to three leaves or four leaves, control the water yield, prepare to transplant.
During seedling growth to 21 age in days, carry out sampling survey, specific experiment the results are shown in Table 1.
Embodiment 2:
Select rice seedling raising bed, apply the chicken manure of the fermentation maturity of 3kg with every square metre of seedbed, and mix with seedbed soil, then according to the wide 1.2m in railway carriage or compartment, the specification of railway carriage or compartment furrow width 0.3m, railway carriage or compartment height 0.1m carries out arrangement seedling railway carriage or compartment, then applies 30g urea and 50g peroxophosphoric acid calcareous fertilisers with every square meter seedling railway carriage or compartment.The chicken manure of fermentation maturity is fertilizer chicken manure being piled under field conditions (factors) vexed fermentation maturity.
Rice straw is crushed to below 3mm, then in rice straw, water is added, stir obtain water content by weight 80% seedling raising ground substance, often to coil the seedling dish that seedling dish 200g rice straw seedling raising ground substance is placed in seedling dish specification 58.8cm × 28cm × 2cm, leveling is compacted into the seedling raising ground substance of thickness 2 ~ 2.5cm, then waters in seedling dish to seedling dish moisture of trying to get to the heart of a matter and to reach capacity state.
By the hybrid rice bud of conventionally presoaking and germinating with the amount uniform broadcasting of 100.0g/ dish in the seedling dish being covered with seedling raising ground substance, then by the rice straw of the rice straw after pulverizing at rice bud surface coverage thickness 0.3 ~ 0.5cm; Then seedling dish is placed on seedling railway carriage or compartment and carries out nursery.
After seed sprouting, keep field moistening, allow furrow surface and ditch in fertilizer supplemented by the nutrition of movement to rice shoot of moisture, until rice shoot grow to leaf wholeheartedly to two leaf wholeheartedly time, urea (reality is not used) is sprayed according to seedling growth situation, when rice shoot is educated to three leaves or four leaves, control the water yield, prepare to transplant.
During seedling growth to 21 age in days, carry out sampling survey, specific experiment the results are shown in Table 1.
Embodiment 3:
Select wheat seedling seedbed, the chicken manure of fermentation maturity and the pig manure of 1.5kg fermentation maturity of 1.5kg is applied with every square metre of seedbed, and mix with seedbed soil, then according to the wide 1.4m in railway carriage or compartment, railway carriage or compartment furrow width 0.3m, the specification of railway carriage or compartment height 0.15m carries out arrangement seedling railway carriage or compartment, then applies 30g urea and 50g superphosphate phosphate fertilizer with every square meter seedling railway carriage or compartment.The chicken manure of fermentation maturity is by the fertilizer of chicken manure fermentation maturity under field conditions (factors).The pig manure of fermentation maturity is by the fertilizer of cow dung fermentation maturity under field conditions (factors).
Wheat stalk is crushed to below 3mm, then in wheat stalk, water is added, stir obtain water content by weight 80% seedling raising ground substance, often to coil the seedling dish that seedling dish 200g wheat stalk seedling raising ground substance is placed in seedling dish specification 58.8cmx28cmx2cm, leveling is compacted into the seedling raising ground substance of thickness 2 ~ 2.5cm, then waters in seedling dish to seedling dish moisture of trying to get to the heart of a matter and to reach capacity state.
By the hybrid rice bud seed-grain of conventionally presoaking and germinating with the amount uniform broadcasting of 100.0g/ dish in the seedling dish being covered with seedling raising ground substance, then by the wheat stalk of the wheat stalk after pulverizing at rice bud surface coverage thickness 0.3 ~ 0.5cm; Then seedling dish is placed on seedling railway carriage or compartment and carries out nursery.
After seed sprouting, keep field moistening, allow furrow surface and ditch in fertilizer supplemented by the nutrition of movement to rice shoot of moisture, until rice shoot grow to leaf wholeheartedly to two leaf wholeheartedly time, urea (reality is not used) is sprayed according to seedling growth situation, when rice shoot is educated to three leaves or four leaves, control the water yield, prepare to transplant.
During seedling growth to 21 age in days, carry out sampling survey, specific experiment the results are shown in Table 1.
Comparative example 1:
Select rice seedling raising bed, then according to the wide 1.2m in railway carriage or compartment, the specification of railway carriage or compartment furrow width 0.3m, railway carriage or compartment height 0.1m carries out arrangement seedling railway carriage or compartment.
Rape stalk is crushed to below particle diameter 3mm, methane slag is crushed to below 3mm, then be made up of 180.0g rape stalk and 50.0g methane slag according to often coiling seedling raising ground substance in seedling dish, then in seedling raising ground substance, water is added, stir obtain water content by weight 80% seedling raising ground substance, above-mentioned seedling raising ground substance is placed in the seedling dish of seedling dish specification 58.8cmx28cmx2cm, leveling is compacted into the seedling raising ground substance of thickness 2 ~ 2.5cm, then waters in seedling dish to seedling dish moisture of trying to get to the heart of a matter and to reach capacity state.
By the hybrid rice bud seed-grain of conventionally presoaking and germinating with the amount uniform broadcasting of 100.0g/ dish in the seedling dish being covered with seedling raising ground substance, then by the rape stalk of the rape stalk after pulverizing at rice bud seed-grain surface coverage thickness 0.3 ~ 0.5cm; Then seedling dish is placed on seedling railway carriage or compartment and carries out nursery.
After seed sprouting, keep field moistening, when rice shoot is educated to three leaves or four leaves, control the water yield, prepare to transplant.
During seedling growth to 21 age in days, carry out sampling survey, specific experiment the results are shown in Table 1.
Comparative example 2:
Comparative example 2 and comparative example 1 difference are: rape stalk is crushed to below particle diameter 3mm, fertilizer is the chicken manure of fermentation maturity, drying and crushing, to below 3mm, is made up of the chicken manure of 180.0g rape stalk and 50.0g fermentation maturity according to often coiling seedling raising ground substance in seedling dish.
During seedling growth to 21 age in days, carry out sampling survey, specific experiment the results are shown in Table 1.
Comparative example 3:
Comparative example 3 and comparative example 1 difference are: rape stalk being crushed to below particle diameter 3mm, being then made up of 200.0g rape stalk, 5.0g urea, 8.0g superphosphate and 1.0g potassium chloride according to often coiling seedling raising ground substance in seedling dish.
During seedling growth to 21 age in days, carry out sampling survey, specific experiment the results are shown in Table 1.
Comparative example 4:
Comparative example 4 and comparative example 1 difference are: soil topsoil being crushed to below 3mm, being made up of according to often coiling seedling raising ground substance in seedling dish 3500.0g soil topsoil.
During seedling growth to 21 age in days, carry out sampling survey, specific experiment the results are shown in Table 1.
The result of the rice shoot that table 1: embodiment 1-3 and comparative example 1-4 seedling raising ground substance are cultivated
Although with reference to explanatory embodiment of the present invention, invention has been described here, above-described embodiment is only the present invention's preferably embodiment, embodiments of the present invention are not restricted to the described embodiments, should be appreciated that, those skilled in the art can design a lot of other amendment and embodiment, these amendments and embodiment will drop within spirit disclosed in the present application and spirit.
Claims (8)
1., without a method of raising seedling for native straw matrix rice planting technology, it is characterized in that, the step of this method of raising seedling is as follows:
A, arrangement seedling seedbed
Select rice seedling raising bed, apply the fertilizer of the fermentation maturity of 3 ~ 5kg with every square metre of seedbed, and mix with seedbed soil, then arrange seedling railway carriage or compartment, then apply 20 ~ 30g nitrogenous fertilizer and 30 ~ 50g phosphate fertilizer with every square meter seedling railway carriage or compartment;
B, prepare seedling raising ground substance
By crushed stalk to below 3mm, then in stalk, water is added, stir obtain water content by weight 75 ~ 85% seedling raising ground substance, seedling dish is placed in the seedling raising ground substance often coiling seedling dish 180 ~ 250g, leveling is compacted into the seedling raising ground substance of thickness 2 ~ 2.5cm, then waters in seedling dish to seedling dish moisture of trying to get to the heart of a matter and to reach capacity state;
C, sowing seedling
The hybrid rice bud seed-grain of conventionally presoaking and germinating is covered with in the seedling dish of seedling raising ground substance with the amount uniform broadcasting of 60.0 ~ 120.0g/ dish to step B, then by the stalk of the stalk after pulverizing at rice bud seed-grain surface coverage thickness 0.3 ~ 0.5cm; Then nursery is carried out in seedling railway carriage or compartment seedling dish being placed in steps A;
D, seedbed management
After seed sprouting, keep field moistening, allow furrow surface and ditch in fertilizer supplemented by the nutrition of movement to rice shoot of moisture, until rice shoot grow to leaf wholeheartedly to two leaf wholeheartedly time, spray urea according to seedling growth situation, when rice shoot is educated to three leaves or four leaves, control the water yield, prepare to transplant.
2. method of raising seedling according to claim 1, is characterized in that described stalk is that one or more are selected from the stalk of maize straw, rice straw, wheat stalk or rape stalk.
3. method of raising seedling according to claim 1, is characterized in that described nitrogenous fertilizer is that one or more are selected from the nitrogenous fertilizer of ammonium sulfate, ammonium chloride, ammonium nitrate or urea.
4. method of raising seedling according to claim 1, is characterized in that described phosphate fertilizer is superphosphate or fused calcium magnesium phosphate.
5. method of raising seedling according to claim 1, is characterized in that described fertilizer is that one or more are selected from the fertilizer of pig manure, horsehit, cow dung, chicken manure, duck excrement or human excrement.
6. method of raising seedling according to claim 1, is characterized in that described fertilizer is the fertilizer of fermentation maturity under field conditions (factors).
7. method of raising seedling according to claim 1, is characterized in that described seedling dish specification is 58.8cm × 28cm × 2cm.
8. method of raising seedling according to claim 1, is characterized in that described seedling railway carriage or compartment is according to the wide 1.2 ~ 1.4m in railway carriage or compartment, railway carriage or compartment furrow width 0.3 ~ 0.5m, and the specification of the high 0.1 ~ 0.15m in railway carriage or compartment carries out arranging.
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Cited By (6)
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| CN105432449A (en) * | 2015-12-02 | 2016-03-30 | 绵阳市农业科学研究院 | Soilless straw matrix of rice dry-raising water pipe and seedling culture method |
| CN107466822A (en) * | 2017-07-27 | 2017-12-15 | 中国水稻研究所 | A kind of method that rice light soil-less seedling raising ground substance is prepared using magnetic rice straw |
| CN107836337A (en) * | 2017-10-31 | 2018-03-27 | 中国水稻研究所 | A kind of method of raising seedling of machine-transplanted rice light soil-less matrix |
| CN111742813A (en) * | 2020-05-11 | 2020-10-09 | 徐州惠满丰种业有限公司 | Method for preparing rice seedling raising soil by utilizing wormcast and using method thereof |
| CN114503906A (en) * | 2022-03-14 | 2022-05-17 | 周纯有 | Straw substrate rice seedling raising method |
| CN115039598A (en) * | 2022-06-10 | 2022-09-13 | 湖南辉垅农业发展有限公司 | Light-matrix mesh bag seedling cup for photinia fraseri seedlings and preparation method thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105432449A (en) * | 2015-12-02 | 2016-03-30 | 绵阳市农业科学研究院 | Soilless straw matrix of rice dry-raising water pipe and seedling culture method |
| CN105432449B (en) * | 2015-12-02 | 2018-05-01 | 绵阳市农业科学研究院 | A kind of Rice Seedling Culture Under Dry Condition water pipe without native straw substrate and method for culturing seedlings |
| CN107466822A (en) * | 2017-07-27 | 2017-12-15 | 中国水稻研究所 | A kind of method that rice light soil-less seedling raising ground substance is prepared using magnetic rice straw |
| CN107466822B (en) * | 2017-07-27 | 2020-04-21 | 中国水稻研究所 | Method for preparing light soilless rice seedling raising matrix from magnetic rice straws |
| CN107836337A (en) * | 2017-10-31 | 2018-03-27 | 中国水稻研究所 | A kind of method of raising seedling of machine-transplanted rice light soil-less matrix |
| CN111742813A (en) * | 2020-05-11 | 2020-10-09 | 徐州惠满丰种业有限公司 | Method for preparing rice seedling raising soil by utilizing wormcast and using method thereof |
| CN114503906A (en) * | 2022-03-14 | 2022-05-17 | 周纯有 | Straw substrate rice seedling raising method |
| CN115039598A (en) * | 2022-06-10 | 2022-09-13 | 湖南辉垅农业发展有限公司 | Light-matrix mesh bag seedling cup for photinia fraseri seedlings and preparation method thereof |
| CN115039598B (en) * | 2022-06-10 | 2024-07-19 | 湖南辉垅农业发展有限公司 | Light matrix net bag seedling cup for photinia fraseri seedlings and preparation method thereof |
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Application publication date: 20141217 |