Why can't zinc fertilizer and phosphorus fertilizer be mixed and applied together?
Increasing the application of phosphorus fertilizer is very important for the high quality, high yield and enrichment of wheat. Why is this said? First, phosphorus plays a guaranteeing role in the high yield and high quality of wheat, while the content of available phosphorus in the soil of some cultivated land is on the low side; second, at present, the methods and ways of applying fertilizer are still not scientific enough in some places, so increasing the application of phosphorus fertilizer and adopting scientific...
Mixing zinc sulfate and phosphorus fertilizer together for application will form zinc phosphate, which is not easily soluble in water. The root system of crops can hardly absorb and utilize this kind of zinc. Therefore, when applying zinc sulfate, it is essential to avoid contact with phosphorus fertilizers such as superphosphate, triple superphosphate, diammonium phosphate and monopotassium phosphate, and it is even more important not to mix them together for application. When using zinc sulfate as a base fertilizer, zinc sulfate can be evenly mixed with farmyard manure and applied, and then phosphorus fertilizer can be applied at sowing time. Phosphorus fertilizer can also be evenly mixed into farmyard manure and applied as a base fertilizer, and then zinc sulfate can be applied at sowing time. In this way, an isolating layer can be formed between the zinc fertilizer and the phosphorus fertilizer to prevent them from contacting each other.