1，Foliar fertilizer is for the purpose of foliar absorption, and the nutrients needed by crops are directly applied to the foliar fertilizer. With the development of fertilization technology in recent years, foliar fertilization is used as a way to strengthen crop nutrition and prevent certain nutrient deficiency diseases. Effective fertilization measures have been quickly promoted and applied.
How to choose the right foliar fertilizer in the early stage of spraying?
According to the nutrient elements required by the different growth periods of the crop.
1) Early crop growth: more nitrogen is needed during the vegetative growth period.
2) Late crop growth period: During the reproductive growth period, more phosphorus and potassium elements and trace elements that promote the preservation of flowers and fruits of crops and improve fruit quality are needed.
What is the order of dispensing?
1) Sequence: foliar fertilizer, water dispersible granules, suspension, microemulsion, water emulsion, liquid, emulsifiable concentrate
2) Principle: The principle of "secondary dilution" must be adhered to, that is, first dilute the medicine into a high-concentration mother liquor with a small amount of water, and then dilute it to the required concentration of the medicine. Try to follow the principles of "prepared for use now, not for long periods of time" and "diluted separately, then mixed" to prevent the effective ingredients from decomposing.
3) Points to note:
① Foliar fertilizer should be fully dissolved
② Avoid the reaction between foliar fertilizer and other chemicals
