Organic fertilizer refers to organic matter(compound containing carbon element)as fertilizer.It includes human excrement,manure,compost,green manure,cake fertilizer,biogas fertilizer,etc.It has many kinds,wide sources,long fertilizer efficiency,etc.
Relevant information:
1.The nutrient elements contained in organic fertilizers are mostly organic,which is difficult for crops to use directly.Through the action of microorganisms,a variety of nutrient elements are slowly released,and nutrients are continuously supplied to crops.Applying organic fertilizer can improve soil structure,coordinate water,fertilizer,air and heat in soil,and improve soil fertility and land productivity.
2.Organic fertilizer refers to the fertilizer made of animal excrement,animal and plant residues,and by-product resources rich in organic matter as the main raw materials after fermentation and decomposition.
3.Organic fertilizer has the characteristics of improving soil,fertilizing soil fertility,improving soil nutrient vitality,purifying soil ecological environment,ensuring high quality,high yield and high efficiency of vegetables,etc.It is an irreplaceable fertilizer for vegetable cultivation.The commonly used organic fertilizers for vegetable cultivation mainly include commercial organic fertilizer and farm manure.