What kind of fertilizer is used for crops in general?

The three elements of crops refer to: nitrogen fertilizer, phosphate fertilizer, potassium fertilizer.

Nitrogen fertilizer: contains crop nutrients nitrogen fertilizer. Crop growth plays a very important role, it is a component of the amino acids in plants, is a component of protein, but also plants photosynthesis plays a decisive role in the chlorophyll component. Nitrogen also helps in crop partitioning. The application of nitrogen fertilizer can not only increase the yield of agricultural products, but also improve the quality of agricultural products.

Phosphorus fertilizers: fertilizers containing the crop nutrient element phosphorus. It can increase crop yield, improve crop quality, accelerate tillering of cereal crops and promote seed fullness; promote the flowering and fruiting of cotton, melons, lycopene vegetables and fruit trees, and improve the fruiting rate; increase the sugar content of sugar beets, sugarcane, watermelon, etc.; and the oil content of rapeseed.

Potassium fertilizer: fertilizer containing crop nutrient element potassium. It can make the crop stalks grow strong, prevent collapse, promote flowering and fruiting, and enhance drought resistance, cold resistance, and resistance to pests and diseases.