Method for wholly and directly returning corn straw into field
A technology for corn stalks and stalks, which is applied to the field of returning the full amount of corn stalks to the field, can solve the problems of long period of decomposition and transformation, difficulty in decomposing corn stalks, and difficulty in being used as a fertilizer source for seasonal crops, and achieves good synergistic effect and adaptability. The external environment has strong ability and the effect of reducing the time of decomposing
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[0034] Example 1:
[0035] A method for returning all corn stalks to the field on the spot, the steps are as follows:
[0036] (1) Collect the stalks after the corn is harvested, and smash them into 10cm segments while they are green;
[0037] (2) Dig a cellar in the corn pit after harvest, the cellar is 2m long, 2m wide, and 1m deep, and the excavated soil is reserved;
[0038] (3) Put the straw yard processed in step (1) into the cellar, and dilute the biological agent with 10 times the weight of water 24 hours in advance (helping to restore and enhance the vigor and activity of the bacteria, and improve the efficiency of the decomposing agent to decompose the straw). Dilute the activation solution, add the diluted activation solution according to 25% of the weight of the straw, mix well, ferment at room temperature, and detect the temperature of the fermented product during the fermentation process. When the temperature rises above 60℃, turn the mixture over, and every other day th...
Example Embodiment
[0053] Example 2:
[0054] A method for returning the whole amount of straw to the field, the steps are as follows:
[0055] (1) Collect the straw after the corn is harvested, and smash it into 20cm segments while it is green;
[0056] (2) Dig a cellar in the corn pit after harvest, the cellar is 3m long, 3m wide, and 2m deep, and the excavated soil is reserved;
[0057] (3) Put the straw yard processed in step (1) into the cellar, and dilute the biological agent with 10 times water 24 hours in advance (it is beneficial to restore and enhance the vigor and activity of the bacteria, and improve the efficiency of the decomposing agent to decompose the straw). Activating liquid, add the diluted activating liquid according to 30% of the weight of the straw. After mixing, ferment at room temperature. During the fermentation, the temperature of the fermented product is detected. When the temperature rises above 60°C, the mixture is turned over, and then turned over every other day. Pile on...
Example Embodiment
[0072] Example 3: The effect of returning crop stalks to the field on cultivated soil
[0073] The method of returning corn stalks to the field in Example 1-2 was used to improve soil fertility. The application rate of corn stalks was 300 kg / mu when the corn stalks were returned to the field mechanically. The plough layer soil before the test and one year after the test were collected and analyzed. Basic physical and chemical values, specific results are shown in Table 1:
[0074]
[0075] 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. Not only the content of nutrient elements in the soil is greatly increased, the fertility is greatly improved, but also the fertility is greatly improved. Soil bulk density increases soil porosity. However, when the corn stalks are returned to the field mechanically, the increase of nitrogen and phosphorus ...
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