Ammonium Dihydrogen Phosphate: Helping to Increase Rice and Wheat Yield

In food crop cultivation, Ammonium Dihydrogen Phosphate contains high concentrations of nitrogen and phosphorus. It acts as a “customized nutrient reservoir” that supports rice and wheat throughout their growth from seedling to harvest.
 For rice, applying Ammonium Dihydrogen Phosphate at the seedling stage sets the stage for good growth. The nitrogen in the fertilizer accelerates chlorophyll synthesis in the leaves 7 to 10 days after planting. This allows seedlings to reach “three leaves and one heart” three to five days earlier at the greening stage, and leaves can be up to 20 percent greener. At the tillering stage, phosphorus promotes root cell division, increasing the effective number of tillers per rice plant by 1.2 to 1.5, which provides a guarantee of later spike formation.
The nutrient release characteristics of Ammonium Dihydrogen Phosphate are well matched to the needs of rice from the ear to the filling stage. Phosphorus activates the enzyme starch synthase, increasing thousand-grain weight by 2 to 3 grams. Nitrogen slows leaf senescence and extends photosynthesis by 5 to 7 days. Field trials have shown that this increases yields by 8 to 12 percent. 
Ammonium Dihydrogen Phosphate provides precise nutrient support at different stages of wheat physiology. Applied at the seedling stage in pre-winter, it increases wheat's cold tolerance. Phosphorus increases the concentration of the cytosol, reducing frost damage to wheat to less than 5% at -8°C, 20 percentage points lower than in plots without fertilizer. 
At the greening and nodulation stage, the combined effect of nitrogen and phosphorus promotes the growth of stalk vascular bundles, increasing the thickness of the stem wall by 0.1 to 0.2 mm, effectively reducing the risk of late season collapse. During the flowering stage, the phosphorus in Ammonium Dihydrogen Phosphate can accelerate the maturation of pollen grains, increase the pollination rate to more than 90%, and reduce the number of empty and deflated grains. 
Data show that using a base fertilizer in combination with a follow-up fertilizer at the nodulation stage can increase wheat's weight by 15 to 20 grams per liter and protein content by 1 to 1.5 percentage points. 
There are some differences in the uptake and utilization of this fertilizer by rice and wheat. Rice roots are more likely to take up ammonium nitrogen in the presence of water, and Ammonium Dihydrogen Phosphate is alkaline, which neutralizes the acidity of the soil's submerged layer and improves the environment around the root system. Wheat is able to utilize the phosphorus in it more efficiently in dryland environments. Especially in phosphorus-deficient soils, the wheat root system will secrete organic acids after application, promoting phosphorus activation. Compared with ordinary phosphorus fertilizer, the utilization rate can be increased by 15% to 20%. 
Scientific application methods can further enhance effectiveness. Targeted use makes Ammonium Dihydrogen Phosphate an important chemical contributor to food security. 

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