There are many types of fertilizers for planting, which can be divided into the following categories based on their main components and sources: 1. Inorganic fertilizers (chemical fertilizers)
1. Nitrogen fertilizer: provides the necessary nitrogen elements for plant growth, plays an important role in promoting plant growth, increasing yield, and improving quality. Common nitrogen fertilizers include urea, ammonium sulfate, ammonium nitrate, ammonium bicarbonate, ammonia water, ammonium chloride, etc.
2. Phosphate fertilizer: provides phosphorus element, which helps plants carry out photosynthesis and energy metabolism, and has a good effect on improving plant stress resistance, increasing yield, and improving quality. Common phosphate fertilizers include superphosphate, calcium magnesium phosphate, potassium dihydrogen phosphate, etc.
3. Potassium fertilizer: provides potassium element, which can enhance plant disease resistance and adaptability. Common potassium fertilizers include potassium sulfate, potassium chloride, potassium nitrate, etc.
4. Compound fertilizer: contains multiple nutrients such as nitrogen, phosphorus, potassium, etc., which can simultaneously meet the needs of plants for multiple nutrients. Common compound fertilizers include potassium dihydrogen phosphate, potassium nitrate, and various binary or ternary compound fertilizers. 2、 Organic fertilizer
1. Farm manure: such as human manure, manure, compost, etc., is made by decomposing and fermenting animal and plant residues or excrement, containing various nutrients and organic matter, which can improve soil structure and enhance soil fertility.
2. Green fertilizer: a fertilizer made by directly turning or fermenting green plants, containing rich nutrients such as nitrogen, phosphorus, and potassium, which can increase soil organic matter content and improve soil structure.
3. Other organic fertilizers, such as bone meal and decomposed animal and plant residues, also contain abundant nutrients and can be used to supplement soil nutrients. 3、 Biological fertilizer
Fertilizers containing microorganisms promote the growth and reproduction of microorganisms in the soil through their life activities, improve soil fertility, and also improve soil structure. Common biological fertilizers include microbial fertilizers, bio organic fertilizers, etc. 4、 Mineral fertilizer
A fertilizer composed of minerals that can provide trace and moderate elements required by plants, such as calcium, magnesium, sulfur, etc. Common mineral fertilizers include limestone powder, gypsum, magnesium fertilizer, etc. 5、 Foliar fertilizer
A fertilizer that can be directly sprayed onto plant leaves, providing nutrients quickly and promoting leaf growth and photosynthesis. Common foliar fertilizers include water-soluble fertilizers, potassium dihydrogen phosphate, etc.
In actual planting, it is necessary to choose the appropriate type and amount of fertilizer based on the needs of the plants, the fertility of the soil, and the actual situation of the environment. At the same time, attention should be paid to safety when using fertilizers to avoid causing harm to the environment and plants. Organic fertilizer and biological fertilizer are relatively environmentally friendly and safe fertilizers, but their fertilizer efficiency is slow; Chemical fertilizers and mineral fertilizers have faster fertilizer efficiency, but excessive use may cause damage to soil and plants. During the planting process, fertilizers should be used reasonably to fully utilize their benefits.