In a broad sense, organic fertilizer refers to farm manure, including all kinds of animal and plant residues or metabolites, such as human excrement, straw, etc., in addition to cake fertilizer, which can effectively improve the physical and chemical properties of soil.
In a narrow sense, organic fertilizer refers to all kinds of animal wastes and plant residues, which are processed to eliminate harmful substances and reach harmless standard.
Organic fertilizer can be divided into agricultural waste, livestock manure, industrial waste, domestic waste, urban sludge, modern physical and chemical.
First, organic fertilizer can improve the soil and fertility, and create good soil conditions for the growth of plants.
Second, organic fertilizer can increase crop yield and improve the quality of agricultural products.
Third, organic fertilizer can improve the utilization rate of fertilizer.
First, the application of bio organic fertilizer into the soil layer should not be too deep, the application of too deep will affect the biological fertilizer activity;
Second, bio organic fertilizer should be applied separately.
Third, applying bio organic fertilizer in the hole can make the seedlings absorb nutrients faster, activate the soil, and promote the rapid growth and development of plant roots.