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Dong et al., 2021 - Google Patents

Starch phosphate carbamate hydrogel based slow-release urea formulation with good water retentivity

Dong et al., 2021

Document ID
16176972397314302177
Author
Dong G
Mu Z
Liu D
Shang L
Zhang W
Gao Y
Zhao M
Zhang X
Chen S
Wei M
Publication year
Publication venue
International Journal of Biological Macromolecules

External Links

Snippet

In this work, a novel starch phosphate carbamate hydrogel (SPC-Hydrogel) and its corresponding urea hydrogel (SPCU-Hydrogel) slow-release fertilizer (SRF) were prepared by one-step free radical copolymerization of SPC and acrylamide (AM) without and with urea …
Continue reading at www.sciencedirect.com (other versions)

Classifications

    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
    • C05G3/00—Mixtures of one or more fertilisers with materials not having a specially fertilising activity
    • C05G3/0005—Further uses of fertiliser, also the form in which it is presented, e.g. by englobed granules
    • C05G3/0047—Further uses of fertiliser, also the form in which it is presented, e.g. by englobed granules by incorporating into a matrix
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
    • C05G3/00—Mixtures of one or more fertilisers with materials not having a specially fertilising activity
    • C05G3/0005—Further uses of fertiliser, also the form in which it is presented, e.g. by englobed granules
    • C05G3/0088—Further uses of fertiliser, also the form in which it is presented, e.g. by englobed granules to avoid the fertiliser being reduced to powder; for avoiding agglomeration
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
    • C05G3/00—Mixtures of one or more fertilisers with materials not having a specially fertilising activity
    • C05G3/0005—Further uses of fertiliser, also the form in which it is presented, e.g. by englobed granules
    • C05G3/0011—Further uses of fertiliser, also the form in which it is presented, e.g. by englobed granules by covering; apparatus for covering
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
    • C05G3/00—Mixtures of one or more fertilisers with materials not having a specially fertilising activity
    • C05G3/04—Mixtures of one or more fertilisers with materials not having a specially fertilising activity with soil conditioners
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G31/00—Hydroponics; Cultivation without soil
    • A01G2031/007—Hydroponics; Cultivation without soil with superabsorbents

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