1, using lime, acid and calcium. Applying lime, adjusting acid and calcium supplements and adjusting acid and alkali can increase the effectiveness of nutrients. Therefore, adjusting acid (using lime) is equivalent to fertilizing. After the autumn harvest, the straw and weeds in the ground were cleaned up, 100 acres of lime was thrown in the mu, plowing, and the palladium was evenly distributed.
About a month before spring sowing, open the sowing ditch. In the ditch, 100 kilograms of lime are sprinkled with palladium, palladium and palladium. After the next and second fields of rain, the pad is filled with raw soil, then fertilized and ridged.
2, smoked fire excrement, in one fell swoop. The use of straw in the fields and weeds in the corners of the fields to produce fire excrement is also an effective measure to control soil acidification. Fire excrement is alkaline, containing more potassium, there is regulation of soil pH and potassium, Tujia ancestors is to rely on the use of fire excrement to maintain the soil acid-base balance and potassium balance. At the same time, after weeding off the weeds at the edge of Tanabe, we have reduced the number of pests and diseases, which is also an important measure for the comprehensive prevention and control of agriculture.
3, apply organic fertilizer, balance acid and alkali. Organic fertilizer has a great buffer, has the effect of regulating the pH of the soil, long-term application, can balance the acid and alkali, fertility and fertility. In the past few years, the pig bar fertilizer was applied to the soil acidified land in Xiaping and Fuyang. The roots of the corn were circled in the pig manure to avoid drilling in the soil. This strange phenomenon shows that plants like organic fertilizer instead of Like acidified soil.
4, cover cultivation, reduce leaching. Covering cultivation (film cover and grass cover) in agricultural production, reducing the erosion of precipitation on the soil, and reducing the leaching of alkaline bases in soil are effective measures to prevent soil acidification.
5, soil testing formula, precision fertilization. According to the soil according to the needs of crops, formula fertilization, reduce the amount of chemical fertilizers, can effectively prevent the acidification of the soil, the application of nitrogen fertilizer, the choice of ammonium bicarbonate, 2.7 kg of ammonium bicarbonate stare at 1 kg of urea.
6, the current crop, comprehensive management, when the discovery of crops due to acidification and poor growth, use the following methods.
(1) Foliage spraying brassinolide 481 and other plant nutrient regulators, while dripping with 1:1 biogas water. Spraying plant regulators can regulate crop metabolism and stimulate absorption. Relieves the stiff seedlings caused by soil acidification. Biogas water contains a variety of nutrients (including a large number of elements and calcium, magnesium, boron, zinc and other trace elements), and contains amino acids, PH value of 7.4-7.7, used as top dressing, can add nutrients, regulate acid and alkali, in one fell swoop.
(2) Foliar application of plant nutrient regulators (such as brassin 481, rare earth, etc.) and boron and zinc (boron and zinc concentrations are 1/1000th) and combustorium calcium (spray according to instructions).
(3) Lime, one by one, enclosing caesar, and then weeding. After rain, lime infiltrates into the soil and starts to adjust acid.
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