Fruit mulberry greenhouse pollution-free cultivation

The fruit mulberry is a fruit and fruit mulberry variety that uses mulberry as its main product. "Big 10" and "Tang 10" are currently the most excellent fruit-leaf dual-use varieties. They produce 1000-1500 kg of mulberry and 2000 kg of mulberry leaves per mu.

1. Soil conditions: The thickness of the soil layer is more than 25 cm, soil depth is more than 1 meter, and groundwater level is less than 1 meter. In loam, sandy loam soil and clay, the pH is 4.5-9.1, and neutral soil is preferred.

2. Shelter Standard: A greenhouse with a length of 66 meters, a width of 10 meters from north to south and a height of 4-5 meters will be built. There should be humidification and insulation facilities in the shed, and two automatic spray-plastic pipes should be installed on the shed to show east-west direction.

3. Colonization: One-year-old grafted seedlings were planted using the method of flat seedlings. Disinfect the greenhouse before planting. Spring planting is suitable from February 20 to March 20; autumn planting is suitable from November 5-20. 1000 plants per acre, spacing of 0.5 meters, row spacing 1.2 meters, aisle 1.5 meters. Cave planting, pit 60 cm square, depth 60 cm, the base Shi Shifei, apply 4 m3 per acre applied fertilizer.

4. Leveling: After planting, 5-8 cm from the ground level, flat branches down can be used as grafting spikes.

5. Fertilizer management: pay attention to the use of nitrogen, phosphorus and potassium fertilizers. After planting, 10 kg of compound fertilizer was applied per acre, which was applied 3 times. Apply 50 kg of compound fertilizer per mu before filming. Mulberry fruit enlargement period 20 kg of potassium chloride per acre, while spraying 0.5% potassium dihydrogen phosphate solution twice.

6. Pest control: (1) Sang Tianniu. Manually catch or spray 40% Dimethoate 500 times to prevent and treat. (2) Sang worm. Artificially capture or spray phoxim 1000 times solution. (3) Sclerotinia. Spray 5 times Baumite lime sulfur before germination. The thiophanate-methyl 400-fold solution was sprayed from the bud to the initial flowering stage, and sprayed again 7 days later.

7. Pruning pruning: Take the natural round head happy shape as the main tree. After 30 centimeters of drying, select two strong lateral branches. After the lateral branches grow to 15 centimeters, they should be flattened at 10 centimeters. Each of the lateral branches should be left with two robust branches, so that each mulberry tree can ensure four. The result is a branch. After determining the height and density of the trunk, the size of the crown can be adjusted by combining branching, retraction, and thinning.

8. Topping and sparse leaves: When the new shoot has 6-7 leaves, it will be picked up. The branches and leaves will grow lush enough to dredge away a few leaves of the base to ensure ventilation and light transmission.

9. Harvesting: Harvest the mulberry fruits by hand mining and fruiting and fruiting, and pick them up before entering the shed.

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