Should not over-fertilize. Due to the high temperature and high humidity in the greenhouse, organic fertilizers decompose rapidly, and the amount of nitrogen volatilization is large. Fertilizer overage can easily cause fertilizer damage. Therefore, for greenhouses planted continuously for more than three years, the amount of chicken manure and cow dung should be controlled within 2,500 kilograms per mu, and the amount of chemical fertilizer applied should be reduced by about 50%, and boron and zinc should be supplemented. Magnesium and other micro-fertilizers to balance the nutrients in the soil.
Should not be too high temperature. Some growers mistakenly believe that when the temperature is high, the vegetables grow faster. In fact, the upper limit of vegetable temperature is generally 25 to 32 °C. If the temperature is too high, the growth of young fruit will be inhibited, and the vegetative growth and reproductive growth of plants will also lose their balance, and the yield will not only increase, but also decrease, and some varieties may even show only long-vine or long-growth fruits.
It is not appropriate to keep seedlings too dense. It has been determined that 50% of photosynthetic products are consumed by vegetative plants when 2 plants are planted on 1 m2, and another 50% of photosynthetic products are used for fruit growth. If 4 plants are planted per square meter, vegetative bodies will consume 70% to 80% of photosynthetic products. Therefore, excessive dense planting leads to reduced yield and is prone to various bacterial diseases.
Fertilizer pump mounted directly on the pipe, the kinetic energy of pipe flow to drives the pump to work at a set ratio to suck high erconcentration drug or quantitative fertilizer in to the pump. After mixed with the water and delivered to downstream. No matter How to change the water pressure, Drug or fertilizer will be mixed and discharged according to a certain proportion.
Greenhouse Automatic Proportional Pump
Greenhouse Automatic Proportional Pump,Greenhouse Automatic Drip Irrigation,Greenhouse Automatic Fertilizer Injector
JIANGSU SKYPLAN GREENHOUSE TECHNOLOGY CO.,LTD , http://www.spgreenhouse.com