Paddy rice dedicated cadmium-reducing biological organic fertilizer and preparation method thereof
A bio-organic fertilizer and cadmium-reducing technology, applied in application, fertilization devices, fertilizer mixtures, etc., can solve the problems of low poisoning concentration, degradation, long half-life, etc., and achieve increased rice yield, reduced cadmium absorption, and strong specificity Effect
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[0045] Example one:
[0046] First, take 2 parts of urea (containing N46.2%), diammonium phosphate (containing N18%, containing P 2 O 5 46%) 4 parts, potassium sulfate (including K 2 O58%) 2 parts, 1 part of trace elements, 40 parts of poultry manure, 20 parts of crop straw, 30 parts of humic acid, 1 part of biological bacteria, each for use;
[0047] Secondly, crush the crop straw (below 100 mesh), mix it with spare poultry manure, biological bacteria, and humic acid, and use a fermenter to quickly ferment and decompose into a bio-organic functional conditioning agent combination for use;
[0048] Third, the spare urea, diammonium phosphate, potassium sulfate, iron, manganese, zinc, silicon and other trace elements are crushed and mixed into an optimized inorganic nutrient formula according to the ratio, and then reserved;
[0049] Fourth, the spare bio-organic functional conditioning agent combination and the optimized inorganic nutrient formula are scientifically compatible in propo...
Example Embodiment
[0064] Embodiment two:
[0065] First, take 1 part of urea (containing N46.2%), diammonium phosphate (containing N18%, containing P 2 O 5 46%) 6 parts, potassium sulfate (including K 2 O58%) 1 part, 1.5 parts of trace elements, 30 parts of poultry manure, 40 parts of crop straw, 20 parts of humic acid, 0.5 parts of biological bacteria, each for use;
[0066] The second to fifth steps are the same as in the first embodiment.
Example Embodiment
[0067] Embodiment three:
[0068] First, take 3 parts of urea (containing N46.2%), diammonium phosphate (containing N18%, containing P 2 O 5 46%) 2 parts, potassium sulfate (including K 2 O58%) 3 parts, 0.5 parts of trace elements, 50 parts of poultry manure, 30 parts of crop straw, 10 parts of humic acid, 1.5 parts of biological bacteria, each for spare;
[0069] The second to fifth steps are the same as in the first embodiment.
[0070] The special cadmium-reducing biological organic fertilizer for rice of the present invention is mainly used for rice, and can also be used for corn, soybeans, vegetables, flowers, fruits and other fruit trees, as well as various grain, oil and economic crops. The main application is basal fertilizer furrow application, and it can also be used as top dressing or spraying with water.
[0071] The cadmium-reducing biological organic fertilizer for rice of the present invention has the following usage methods and precautions:
[0072] Use range and method...
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