When spring ploughing is carried out: common sense of common use of fertilizers
Compound fertilizer is a general-purpose compound fertilizer. It can be applied as a base fertilizer or as a top dressing. When applying, it should be adjusted according to the ground force and crops, and an appropriate amount of NPK and medium-micro fertilizer should be added. The second is the crop-specific fertilizer. Specially formulated fertilizers can be applied depending on the ground force and the different crops. It is best to conduct soil testing and formula fertilization under the guidance of local agricultural science and technology personnel.
Organic fertilizers are generally used as base fertilizers and can also be used as top dressings. Under normal circumstances, the amount of organic fertilizer applied is: farmhouse manure (including livestock manure, straw and other self-made organic fertilizers) 2000~5000 kg, commercial organic fertilizer 200~300 kg, where conditions can be increased. When applying farmyard manure, the contents must be fully decomposed and applied, otherwise it is easy to induce crop pests and diseases.
The temperature and rainfall of medium and trace element fertilizers affect the release of trace elements in the soil and the absorption of crops by them. The medium and trace element fertilizer can be applied as a base fertilizer or as a top dressing, and the dosage must be controlled when applied.
When applying microbial fertilizers, qualified products should be selected to minimize the death of microorganisms, create a suitable soil environment, and select different types of fertilizers according to local conditions, avoiding application under high temperature and drought conditions or mixing with chemical fertilizers.
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