Method for improving saline-alkali soil as cultivated soil
A technology for saline-alkali soil improvement and soil cultivation, which is applied in the direction of soil preparation methods, chemical instruments and methods, soil conditioning materials, etc., and can solve problems such as easy soil compaction, affecting soil microbial activities and organic matter conversion, and small porosity
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[0006] In a moderately saline-alkali soil area near the coast of Cangzhou, with an area of about 5 mu, and a soil salt content of 0.605%, a few pieces of Suaeda salsa sporadically grow on the ground. In spring 2009, 8 kg / mu was planted for Sinna seedlings, and the rotary tiller was harvested in autumn. Screw into the soil with a mixing depth of 30cm, and then apply 3500 kg / mu of coarse organic fertilizer and 20 kg / mu of improver. The preparation of the improver is to first heat 20kg of water to 45°C, and then add 5kg of fulvic acid in turn. , citric acid 8kg, humic acid 15kg, ferrous ammonium sulfate 10kg, stir evenly, when the temperature is kept at about 40 ℃, add Tween 1005kg, finally add water 37kg, continue stirring for 10 minutes, add this in the 5 mu field of the experiment Improvement agent 100kg, rotary tiller rotated the field twice, and then sowed winter wheat, with an average of 4 more tillers before winter and spring than the adjacent control, and the wheat yield...
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