A biological agent for treating crop straw
A technology of biological preparations and crops, applied in the field of biological preparations for the treatment of crop straws, which can solve the problems of difficulty in straw decomposition, difficulty in being used as a fertilizer source for seasonal crops, and a long period of decomposition and transformation, so as to reduce the maturity time and achieve good synergistic effects , Strong ability to adapt to the external environment
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Embodiment 1
[0035] A method for returning corn stalks to the field, the steps are as follows:
[0036] (1) After the corn is harvested, collect the stalks and crush them into 10cm segments while they are green;
[0037] (2) Dig a cellar in the harvested corn field, the length of the cellar is 2m, the width is 2m, and the depth is 1m, and the excavated soil is used for future use.
[0038](3) Put the straw yards processed in step (1) into the cellar, and dilute the biological agent with 10 times of water 24 hours in advance (it is beneficial to restore and enhance the vitality and activity of the bacteria, and improve the efficiency of the decomposing agent to decompose the straw) to obtain the dilution Activation solution, add diluted activation solution according to 20% of the straw weight, mix evenly, ferment at room temperature, check the temperature of the fermented product during the fermentation process, when the temperature rises above 60°C, turn the mixed material, and then turn i...
Embodiment 2
[0053] A method for returning straw to the field, the steps are as follows:
[0054] (1) After the corn is harvested, collect the stalks and crush them into 20cm segments while they are green;
[0055] (2) Dig a cellar in the harvested corn field, the length of the cellar is 3m, the width is 2m, and the depth is 2m, and the excavated soil is used for future use.
[0056] (3) Put the straw yards processed in step (1) into the cellar, and dilute the biological agent with 10 times of water 24 hours in advance (it is beneficial to restore and enhance the vitality and activity of the bacteria, and improve the efficiency of the decomposing agent to decompose the straw) to obtain the dilution Activation solution, add diluted activation solution according to 30% of the straw weight, mix well, ferment at room temperature, check the temperature of the fermented product during the fermentation process, when the temperature rises above 60°C, turn the mixed material, and then turn it every...
Embodiment 3
[0070] Example 3: Effects of returning crop straws to the plow layer soil
[0071] The method of returning corn stalks to the field in Example 1-2 is used to improve soil fertility. When the corn stalks are mechanically returned to the field, the application rate of corn stalks is 300kg / mu, and the plow layer soil before the test and after 1 year of the test is collected respectively, and analyzed. The basic physical and chemical values, the specific results are shown in Table 1:
[0072] Table 1 Effects of straw returning methods on soil
[0073] Organic matter (g / kg) Total nitrogen (g / kg) Phosphorus (g / kg) Potassium (g / kg) Bulk density (g / cm 3 )
[0074] It can be seen from Table 1 that after adopting the method of returning corn stalks to the field in Example 1-2, the physical and chemical properties of the soil have been greatly changed. Soil bulk density increases soil porosity. However, when corn stalks are returned to the field mechanically, the ...
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