There are new tricks to increase the yield of vegetables in greenhouses.

1. In winter cultivation , cold-resistant, solid-resistant storage and dark green varieties should be used. Seeding with new high-fat membrane before planting ( can be mixed with seed coating agent ) can avoid underground pests and diseases , isolate virus infection , not affect germination and swelling function , strengthen breathing intensity and increase seed germination rate. Select loose texture, fertile, deep soil block nursery, seedling strengthening fertilizer and water management, small water ground water, thin manure handling facilities, robust cultivating seedlings.

 

Second, the planting of the winter, before planting, the full maturity of manure per acre with 80-100 Tam, uniform applicator. At the same time , quick lime is applied per acre , shallow tillage is carried out , fertilizer, soil and lime are evenly mixed , and then the soil is prepared.

 

Third, it is necessary to plant close planting , and timely spray the vegetables and strong stems , so that the stems of the plants are thick, the leaves are thick, the leaves are fresh, the plants are flourishing , and the natural taste is strong. At the same time, it can improve the ability to resist disasters , reduce the amount of pesticides and fertilizers , and reduce residual poisons.

 

Fourth, the case of cold weather, the use of double or multi-layer film cover to prevent frost damage. At noon on a sunny day , uncover the film , ventilate and reduce humidity. Before planting the ridge , pour the water and dung for 2-3 times . After sealing the ridge , pour the urea solution once.

 

5. Prevention of pests and diseases. In the seedling stage of celery, a new high-fat film is sprayed to prevent the occurrence of diseases . In winter , after the shed is insulated , fumigation is used to control pests and diseases , and the effect is good.

Source: Heilongjiang Agricultural Information Network