A control: During this period of time before the tomatoes are planted until fruit set, the seedlings are topdressed to control the topdressing amount. If the top dressing is too much and too concentrated, it can easily cause the plants to grow in length, and even cause the flowers to fall. Therefore, in this period, except in the case of severe fertilizer-reduced plants, it is generally necessary to control the amount of topdressing, and slightly apply diluted fecal water or biochemical organic fertilizer solution. Second promote: tomato young fruit and harvesting period should be topdressing to promote its growth and development. When the first panicle grows to the size of the walnut, the quick-acting fertilizer should be quickly applied one or two times. Generally, the concentration of 30% of human excreta or 5% sulfur-containing compound fertilizer is used to ensure that the plant does not become de-fertilized. When the young fruit grows into large size, in order to meet the needs of plant growth and avoid late defertilization, it is necessary to chase and promote the fruit and vegetable fertilizer. Usually, a concentration of 40% of human excrement or 5% sulfur-containing compound is applied every 10 days on sunny days. Fertilizer leachate. Three sprays: The tomato not only absorbs nutrients from the soil from the roots, but also absorbs mineral nutrients from the leaves to promote fruit and seed development. Therefore, during the fruit growth period, especially when the previous continuous rain can not be used for soil dressing, 2-3 times of foliar fertilizer should be sprayed. It can be sprayed with organic liquid fertilizer 300-500 times, and it can also be used 500 times as chelated multi-element composite fertilizer. Liquid spraying to improve the quality of tomatoes. Four bogey: Tomato bogey taboo in the soil more humid and noon high temperature conditions, and avoid excessive concentration of fertilization. Concentrated fertilization can make the plants prolonged and produce fertilizer damage; in the case of soil moisture, fertilization can easily cause physiological diseases such as falling flowers, fallen leaves, and fruit droppings; fertilization under high temperature conditions will cause large evaporation of leaf water, which will affect fertilizer efficiency. In addition, the fertilization time should avoid the high temperature period, early morning or evening is appropriate. We're professional Urethrotomy Set manufacturers and suppliers in China, specialized in
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