How to apply foliar fertilizer to various crops?
How to apply foliar fertilizer to various crops? Please give a classified introduction to the following foliar fertilizer application methods can refer to the following technical methods: 1, melons and fruits. Including all kinds of melons, tomatoes, eggplant, chili, beans and so on. Nitrogen, phosphorus and potassium mixed fertilizers or multicomponent compound fertilizers, such as potassium dihydrogen phosphate (0.3-0.5%), diammonium phosphate (2%), etc., should be used. 2. Rhizomes. For example, green onion, garlic, onion, radish, etc., should be based on phosphorus and potassium fertilizer, and can be sprayed with 0.3% potassium dihydrogen phosphate and 0.2% diammonium phosphate. 3. Leafy vegetables. Such as cabbage, kale, spinach, celery, looking for vegetables and so on. Foliar fertilizer is mainly nitrogen fertilizer such as urea (2%) and sulfuric acid hinge (1%). The amount of foliar fertilizer sprayed is generally 5 kg per mu, and can be sprayed 3 times for 5 times during the whole production period. Click to get more foliar fertilizer application methods
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What should we pay attention to when urea is used as foliar fertilizer?
What should we pay attention to when urea is used as foliar fertilizer? Please introduce urea as foliar fertilizer to pay attention to the following points: do not spray it before hot weather or rain, so as to avoid burning seedlings or losing fertilizer. It is appropriate to spray every morning or afternoon, and spray again every 7-10 days. For cereal crops.
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How to apply foliar fertilizer when growing tomatoes in greenhouse?
How to apply foliar fertilizer when growing tomatoes in greenhouse? The foliar fertilization of tomato in greenhouse generally starts from setting fruit to pulling seedlings, which plays an important role in the formation of tomato yield. First, according to the growth of tomato to determine the type of nutrition, potassium dihydrogen phosphate can be selected.
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