Composite microbial bacterial fertilizer with functions of disease prevention, growth promotion and yield increase and application thereof
A technology of complex microbial bacteria and microorganisms, applied in the direction of organic fertilizers, etc., can solve problems such as unsatisfactory disease prevention effects, soil compaction, and damage to soil aggregate structure
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Embodiment 1
[0018] Embodiment one, the preparation of compound bacterial fertilizer:
[0019] 1) Selection of strains:
[0020] Pythium Oligandrum (Pythium Oligandrum), purchased from the Czech Biopharmaceuticals International Co., Ltd. to obtain finished preparations;
[0021] Trichoderma harzianum (Trichoderma.sp) China Agricultural Microorganism Culture Collection Management Center, strain number: ACCC30423.
[0022] 2) Trichoderma fermentation:
[0023] Biological study of Trichoderma harzianum by culture fermentation. Specific steps: cut 200g of peeled potatoes into small pieces for slope and preservation, add 1000ml of water and boil for 30min, filter out the potato pieces, make up the filtrate to 1000ml, add 20g of sucrose, 14g of agar; solid fermentation: 30% of bran, 70% of rice straw powder, K H 2 PO 4 :0.5%,(NH 4 ) 2 SO 4 :0.5%, CaCl 2 : 0.2%; material: water = 1: 2.2; culture and fermentation process at 22 ℃ for 48 hours, using mechanical stirring fermenter for fermen...
Embodiment 2
[0030] Example 2: Application effect of compound microbial fertilizer on strawberry in greenhouse
[0031] Due to the high multiple cropping index of strawberry protected cultivation, the difficulty of stubble fall, the closed environment and high humidity, the continuous cropping obstacles of strawberry production are very serious, especially the incidence of soil-borne diseases such as root rot and Verticillium wilt is high.
[0032] Ji Shi: the area of the test greenhouse and the control greenhouse are both 300m 2 , the planting period is 5 years, and the incidence of soil-borne diseases is relatively serious in previous years. 2 7,000 plants were planted, and 1,500 kg of decomposed high-quality farmyard manure, 35 kg of nitrogen, phosphorus, and potassium compound fertilizer (1:1:0.5) and 40 kg of superphosphate were applied to the control shed per 667 m2. Processing greenhouse every 667m 2 Apply 1500kg of decomposed high-quality farmyard manure, 35kg of nitrogen, phos...
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