Summer Solanum Fruit Prevents Premature Aging
Due to the high temperature in summer, vegetables are prone to flourish, and they often begin to fail after three or four crops. In order to reduce nutrient consumption, the most direct way is to trim branches and branches in time, and remove old leaves, dead leaves and diseased leaves in the lower part of the plant in time, which is conducive to ventilation and light, and promotes the growth of plants. For vegetables in the late stage of growth, you must pay attention to keeping more fruits. It is advisable to keep 2 to 3 fruits per ear. After each crop of fruit is harvested, topdressing should be done in time, and flooding should be avoided to avoid root injury.
What else can ethephon do
Ethephon is easily absorbed by plants and gradually releases ethylene in plants. It is usually used as a ripening agent for tomatoes, peppers, and watermelons. But in addition to accelerating fruit ripening, low-concentration ethephon also has the effect of controlling growth. When 1 to 4 leaves of cabbage, celery, carrot, radish, eggplant, tomato, pumpkin, etc. are sprayed, 240-960 mg/L of ethephon will slow down the growth of the plant and then stop growing. In addition, the treatment of ginger with ethephon can also promote its germination and increase branches.
Why root knot nematodes are difficult
Root-knot nematodes are difficult to thoroughly control because they have strong vitality. They can survive for 2 years in dry root vines and 2 to 5 years in fallow soil, such as potato cyst nematodes. The eggs can survive for 28 years in the absence of hosts in alpine regions. Therefore, we try not to plant again in the diseased area, we must thoroughly disinfect the soil in the diseased area before planting crops, and add some nematode-type biological fertilizers to reduce the harm.
Can the pig manure be used as orchard fertilizer after treatment?
Pig manure is a good organic fertilizer for farms. It generally contains about 0.5% nitrogen, phosphorus pentoxide, and potassium oxide, and the organic matter content is about 15%. As long as the fresh pig manure is added with 5% of its weight superphosphate for retting (superphosphate can be combined with Pig manure is mixed well), generally in the high temperature weather of about 30℃, and the compost is more than 20 days, it can basically reach the maturity of fertilization, and can be used as a base fertilizer or mixed with quick-acting chemical fertilizers to topdress the crops. However, the amount of fertilization and the period of fertilization should be adjusted and applied according to different crops, yields, and the original fertility of the soil.
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