Method for soil improvement and remediation by using quaternary method
A soil improvement and soil remediation technology, applied in the agricultural field, can solve problems such as the lack of a unified technical system, the decline in the economic benefits of growers, and the decline in crop resistance, so as to reduce the occurrence of soil-borne insect pests, improve the function of soil microorganisms, The effect of improving soil utilization rate
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Embodiment 1
[0053] A strawberry planting demonstration test was carried out on the "quaternary" soil improvement and restoration method of the present invention.
[0054] The "quaternary" soil improvement and restoration method includes deep soil improvement treatment and shallow soil restoration treatment.
[0055] The operation of the deep soil improvement treatment includes: uniformly mixing 1000Kg of crushed crop straw, 5000Kg of livestock and poultry manure, 150Kg of soil conditioner, 100Kg of multi-mineral fertilizer, and 1Kg of agricultural and forestry water-retaining agent according to the dosage per mu to form a mixed material , spread it on the surface of the treatment shed, and then spray or spread 8Kg of disease-resistant and probiotic compound microbial agent per mu; then use a rotary tiller to deeply plow the soil layer, the plowing depth is 20-30cm, and water after plowing Enough water, and then cover the soil surface with a transparent plastic film, and carry out 15-20 da...
Embodiment 2
[0078] In this example, the same "quaternary" soil improvement and restoration method as in Example 1 was used to carry out a tomato cultivation experiment. The effects of the quaternary soil improvement and restoration treatment and the conventional treatment were compared, wherein the conventional treatment was the same as in Example 1.
[0079] Table 5 Determination of nutrient content in tomato soil
[0080]
[0081] Through the quaternary soil improvement and restoration method, the mineral nutrients in the soil have been fully improved. Compared with the conventional treatment, the total nitrogen content increased by 50%, indicating that the nitrogen-fixing effect of nitrogen-fixing bacteria was obvious; the content of available phosphorus and available potassium increased by 53% and 38%, respectively, indicating that the four-element soil improvement and restoration can release the fixed phosphorus in the soil Potassium nutrients. Figure 4 It shows the comparison ...
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