Earthing material for preventing and controlling diseases and insect pests for straw-rotting edible fungi and preparation and application of earthing material
A technology of covering soil materials and edible fungi, which is applied in the fields of application, botany equipment and methods, gardening, etc., can solve the problems of not being able to meet the requirements and limitations of porosity and air permeability indicators, increase production costs, etc., and achieve early fruiting and porosity The effect of high density and high total porosity
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Embodiment 1
[0048] A method for preparing a soil covering material for preventing and controlling grass-rot edible fungus diseases and insect pests, comprising the following steps:
[0049] (1) Feed earthworms with cow dung and organic waste as raw materials to obtain vermicompost;
[0050] (2) Vermicompost, calcium hydroxide and potassium dihydrogen phosphate are mixed to prepare a modifying agent, wherein the vermicompost accounts for 80% by weight of the modifying agent, and the calcium hydroxide accounts for 7.5% by weight of the modifying agent , potassium dihydrogen phosphate accounts for 12.5% by weight of modifier;
[0051] (3) cow dung enters the manure tank after being washed with water, and the solid content in the cow manure after washing is 25%, and in the manure tank, add the above-mentioned modifying agent and stir evenly, and the addition of modifying agent is 5kg / m 3 , and then adopt the filter press method to carry out solid-liquid separation to obtain solids, the m...
Embodiment 2
[0062] A kind of soil covering material for preventing and controlling grass-rot edible fungus diseases and insect pests as described in Example 1, the difference is that in the soil covering material, the pastoral soil accounts for 76.25% by weight of the soil covering material, and the weight percentage of modified cow dung accounts for the soil covering material It is 23.5%, chitosan oligosaccharide accounts for 0.15% by weight of covering soil material, and 5% emamectin benzoate wettable powder accounts for 0.1% by weight of covering soil material; Vermicompost accounts for 0.1% in modifying agent The weight percent of modifier is 75%, calcium hydroxide accounts for 10% by weight of modifier, and potassium dihydrogen phosphate accounts for 15% by weight of modifier; the addition amount of modifier is 4kg / m 3 .
[0063] The total porosity, water holding capacity and aggregate structure of the covering soil material were measured, as shown in Table 1.
Embodiment 3
[0065] A kind of earth-covering material for preventing and controlling grass-rot edible fungus diseases and insect pests as described in Example 1, the difference is that in the earth-covering material, pastoral soil accounts for 56.5% by weight of the earth-covering material, and the weight percentage of modified cow dung accounts for the earth-covering material It is 43.25%, chitosan oligosaccharide accounts for 0.15% by weight of covering soil material, and 5% emamectin benzoate wettable powder accounts for 0.1% by weight of covering soil material; The weight percent of modifier is 85%, calcium hydroxide accounts for 5% by weight of modifier, and potassium dihydrogen phosphate accounts for 10% by weight of modifier; the addition amount of modifier is 6kg / m 3 .
[0066] The total porosity, water holding capacity and aggregate structure of the covering soil material were measured, as shown in Table 1.
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