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           Six major partners of potassium dihydrogen phosphate

1. 
   1. Potassium dihydrogen phosphate+urea, quickly replenishes nutrients, enhances photosynthesis, promotes growth, and increases yield.
   The ability of urea to penetrate the cell membrane of leaves is very strong, and its permeability coefficient is close to that of water. As a top dressing fertilizer, urea should be the fastest absorbing fertilizer, and its fertilizer efficiency is also particularly fast. 0.3% urea and 0.3% potassium dihydrogen phosphate combined with foliar spraying can promote faster and better absorption of potassium dihydrogen phosphate by crop leaves, and the utilization rate of potassium dihydrogen phosphate is also greatly improved.
   2. Potassium dihydrogen phosphate+paclobutrazol, promoting flower bud differentiation
   Applying flower promoting agents during the flower bud differentiation period of fruit trees such as citrus (usually from November to January) can improve the flower bud differentiation of citrus, promote more flowers and fruit in the following spring.
2. 3. Potassium dihydrogen phosphate+chloramphenicol, controlled
   High concentrations of potassium dihydrogen phosphate have a certain control effect, promoting the transformation of nutritional growth to reproductive growth, but the effect is not significant. If the plant is severely overgrown, it is recommended to use chloramphenicol and potassium dihydrogen phosphate together for better control of growth and shoot growth. Moreover, with the supplementation of phosphorus and potassium, it has a better effect on the original photosynthesis of the crop leaves and fruit growth.
   4. Potassium dihydrogen phosphate+glucose, foliar spraying has a better effect
   Spraying 0.2% potassium dihydrogen phosphate with 0.3% glucose solution on crops can increase the accumulation of dry matter, and glucose can be directly absorbed by plants. An additional 0.2% urea solution can be added. In this way, potassium dihydrogen phosphate+glucose+urea is the total nutrient solution required by a plant, and it has a good preventive effect on crop gray mold and downy mildew.
3. 5. Potassium dihydrogen phosphate+boron can improve fruit set rate, fruit setting rate, increase yield, and have outstanding effects
   The combination of potassium dihydrogen phosphate and boron can double the effectiveness: promoting flower bud differentiation, preserving flowers and fruits, increasing pollination rate, expanding and coloring to enhance sweetness, strengthening and filling seeds, and preventing lodging and premature aging.
   6. Potassium dihydrogen phosphate+brassinolide, with good anti freezing, anti cold, and anti stress effects
   Brassinolide is an efficient plant hormone that can balance and regulate plant growth, promote the ability of crops to absorb nutrients. Potassium dihydrogen phosphate, which contains phosphorus and potassium, can be absorbed by plants after 30 minutes of foliar spraying. Three days before spraying potassium dihydrogen phosphate and brassinolide, fertilizer should be applied to crops because after spraying potassium dihydrogen phosphate and brassinolide, crops can absorb nutrients to the maximum extent from the soil.
   The combination of potassium dihydrogen phosphate and brassinolide can greatly improve the cold resistance of crops after use. In spring, when fruit trees encounter a cold spell after flowering, it can cause serious flower and fruit drop. Before the onset of late spring cold, spraying 0.2% potassium dihydrogen phosphate+coumarin lactone can reduce the harm of late spring cold to fruit drop and activate the plant's cold resistance to a limited extent. Spraying 0.2% potassium dihydrogen phosphate+coumarin lactone before the arrival of winter cold wave can increase the cold resistance of crops by 1-2 ℃.