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Second, we must determine the optimal amount of fertilizer. In the production of vegetables, the nutrient balance method is mainly used to estimate the amount of fertilizer applied. Fertilization amount (kg/mu) = nutrient content (kilogram/mu) required for planned production - supply component (kg/mu) other than fertilizer/yield utilization rate (%).
Third, determine the fertilization method according to the type of vegetables. Leafy vegetables use leaves as products, and the effect of applying nitrogen fertilizer is obvious. Fruits and melons are supplied to the market by fruit. In addition to nitrogen fertilizers, phosphorus and potassium fertilizers are also needed.
Fourth, determine the fertilization method according to the cultivation environment. For example, when the temperature of autumn cabbage is lower than 10 °C, it is not advisable to apply urea fertilizer. Fertilization should also consider the soil moisture. When the water is sufficient and the light is good, the fertilization effect is best.
Fifth, determine the fertilization method according to the characteristics of the fertilizer. Inorganic fertilizer is mostly used as a top dressing, and some inorganic fertilizers can also be used as a base fertilizer. Refined organic fertilizers such as oil slag and cake fertilizer can be applied to the roots of vegetables at the end of the seedling stage, ditching or opening.
Sixth, facility vegetable soil fertility and balanced fertilization technology. It is necessary to change the current practice of producing heavy chemical fertilizers, heavy nitrogen fertilizers and light phosphate fertilizers, adopting heavy organic fertilizers, increasing fertility, and implementing soil testing and formula fertilization.
Huaxian Agricultural Technology Promotion Center Lu Shuguang
Angle valve used in every place if need install faucets. It is a fitting, which connect between water plumbing and faucet`s flexible hose. Most of these made of Brass and chrome finished. Some made of stainless steel. Ceramic cartridge, quality can guarantee ten years no leakage water and no rusty.
Vegetable planting scientific fertilization is very important
First, soil fertility should be improved.
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