How Much Fertilizer is Appropriate to Apply

1. Organic fertilizer. General application amount of 5 to 8 cubic meters per mu. Note that it must be rotted. Chicken manure, human manure fertilizer high efficiency, can be moderately reduced; straw, grass fertilizer, can be moderately increased; soybean meal type cake fertilizer per mu to about 500 kg.

2. chemical fertilizer class. The amount of fertilizer application of large amounts of elements, according to the different species and different yields are treated differently. Also according to the amount of organic fertilizer and different types of fertilizers and the number of different. When more organic fertilizers are applied, the amount of mass chemical element fertilizers applied can be moderately reduced. Or even completely eliminate the use of chemical fertilizers, only the application of organic fertilizers. General design yield of about 2000 kg mu, each mu of potassium sulfate type nitrogen, phosphorus and potassium compound fertilizer (content of 15% each) 100 to 150 kg.

3. Biofertilizer. Commercial biological fertilizer is generally 25 kg per mu.

4. Medium and micro elements. The impact of the plain area fertilizer with trace elements is very important, generally 15 to 25 kg per mu is appropriate.