Many farmers have used hormones such as booster and dwarf king to control tomatoes. Improper use of these hormones can lead to small fruit, cracked fruit, green top and other diseases. Therefore, the control of tomato should be based on nutrition regulation in order to prevent the occurrence of three diseases.
1, small fruit disease: As the farmers in the tomato seedling period using the booster prime (or dwarf abundance) dose is large, the time is late (usually in the "high-legged seedlings"), although the control of plant height, but also inhibited the development of the ear . This stage should adopt the "rooting strong seedling law." The specific approach is: use 500 to 800 times GAO Mei organic humic acid active liquid fertilizer to root, each plant with 100 to 150 grams of liquid, and the other spray harvest No. 1 plus noxamycin or Green Heng No. 1, so that the blade manufacturing Organic nutrients conduct to the root system, promote root development, and increase disease resistance.
2. Dehiscence: The use of auxiliaries (or Dwarf-Feng Wang) for chemical control allows the pericarp to be thickened, allowing the pulp to swell quickly, thereby forming a "splitting fruit disease." This stage should increase the temperature of boron supplement and calcium, specifically spraying tomato humic acid 300 to 500 times or 300 to 500 times higher in the tomato flowering period, with a small fertilizer flushing Zhuang root potassium treasure, but also flushing high Mei Shi Zhuang Chong Shi cream.
3, blue-headed disease: As some farmers increase the fertilizer and water, increase the temperature, so that the fruit develops too fast, coupled with the uneven use of hormone spray, it is inevitable that the various parts of the fruit development is not uniform, resulting in "blue tip". This stage should take root cooling method. Specifically, when the tomato grows and develops the second and third ear fruit, the biological organic fertilizer plus potassium sulfate compound fertilizer is applied to open the ditch or acupoint to promote the growth of secondary roots, and the absorption and absorption capacity of the fertilizer is increased, thereby laying a good foundation for the later growth stage. In addition, cooling is also the key to promoting the early listing of tomatoes.
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