A liquid state mulching film forming material and method for preparing same
A film-forming material and liquid mulching film technology, applied in soil conditioning materials, chemical instruments and methods, organic fertilizers, etc., can solve problems such as strength, cost and degradation characteristics, difficulty in recycling residual film, and aggravating residual film pollution, etc. To achieve the effect of controlling topsoil loss and dust, good adhesion, and improving aggregate structure
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[0021] Biological liquid mulch film-forming material of the present invention comprises kelp, starch phosphate, alpha starch and ammonium carbonate (NH 4 HCO 3 ·NH 2 COONH 4 ) four components, prepared by semi-dry reaction in kneader and screw extruder. Wherein the content of phosphoric acid starch is 100% of the quality of kelp powder, the content of alpha starch is 50% of the quality of kelp powder, and the content of ammonium carbonate is 10% of the quality of kelp powder.
[0022] The preparation method of the above-mentioned biological liquid mulch film-forming material includes:
[0023] (1) Soak the dried kelp to 5-6 times its original mass;
[0024] (2) with 10% H 2 o 2 Soak the seaweed for 5-8 hours;
[0025] (3) Chopping the soaked and decolorized kelp to 5-8 mm;
[0026] (4) Ammonium carbonate (NH 4 HCO 3 NH 2 COONH 4 ), starch phosphate, alpha starch;
[0027] (5) Mix the above-mentioned materials and put them int...
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