The fertilizer pile should not be small and the cold weather is cold. In order to promote the warming and fermenting of the fertilizer pile, the fertilizer piles for composting in winter should be appropriately increased. Generally, it is preferably 3 to 4 meters in diameter and 2 meters in height.

 

Covering soil and mud-retaining fertilizers in winter, in addition to large piles of fertilizers or storage fertilizers, measures should be taken to cover the soil around the piles and at the top of the piles: that is, cover 1 layer of soil or 1 layer of wheat straw mud, which can not enter the cold Heap, the role of hot air can not be emitted.

 

Ash manure should be stored separately as ash ash, which is an alkaline fertilizer. Mixing with manure can cause a sharp drop in nitrogen in manure.

 

Fertilizer and phosphorus and nitrogen retention are mixed in the fertilizer pile and mixed with 2% to 3% of superphosphate or more than 5% of phosphate rock powder for storage and storage, which can play a significant role in nitrogen retention.