Introduction to base fertilizer
Base fertilizer is usually called base fertilizer. It is applied before plant sowing or transplantation. Its main function is to supply nutrients required by plants during the whole growth period. It can also improve soil and fertility p>
Type of base fertilizer
Base fertilizer includes organic fertilizer and inorganic fertilizer, organic fertilizer such as farmyard fertilizer, stables fertilizer, green fertilizer and cake fertilizer, and inorganic fertilizer such as nitrogen, phosphorus, potassium fertilizer and micro fertilizer p>
Application method of base fertilizer
First, the application types of base fertilizer should be considered. Organic fertilizer is most suitable as base fertilizer, while inorganic fertilizer is very important for the growth and development of crops at seedling stage and early growth stage p>
The second is to consider the application amount of base fertilizer. According to the level of soil fertility, moderately supplement the nutrients lacking in the soil; Apply different base fertilizers according to different growth periods of crops p>
The third is to consider the variety of base fertilizer. Ammonium bicarbonate is nitrogen fertilizer, common calcium, diammonium and calcium magnesium phosphate are phosphorus fertilizer, plant ash and potassium chloride are potassium fertilizer, zinc fertilizer and manganese fertilizer are micro fertilizer p>
Fourth, the application depth of base fertilizer should be considered. Generally speaking, the base fertilizer should be applied to the whole plough layer, with a depth of 15-20 cm. Base fertilizer can be applied in strips during ploughing, or mixed with cultivated soil, or layered p>