Application of organic fertilizer after ripening or not
The ripening of organic fertilizer changes in two aspects through the activities of microorganisms: on the one hand, the decomposition of organic matter increases the effective nutrients in the fertilizer; on the other hand, it makes the organic matter in the fertilizer change from hard to soft. the texture changed from uneven to uniform, and most of the weed seeds, germs and insect eggs were killed in the process of ripening, which was more in line with the requirements of agricultural production. Most of the nutrients of organic fertilizers rich in organic matter are delayed, and crops can not absorb and use them directly. if unmature organic fertilizers are applied to the soil, not only the fertilizer efficiency is poor because of slow decomposition, but also breed weeds and spread germs, insect eggs and so on. Therefore, in agricultural production, the way of accumulation is often taken before application to make the farm manure mature. Ripening can also make farm manure release nutrients, improve fertilizer efficiency, and avoid some adverse factors for crops when the fertilizer is rotten in the soil. Such as competing with seedlings for water and nutrients, or burning seedlings due to local high temperature, high ammonia concentration and so on. Therefore, only mature organic fertilizers can significantly improve soil properties.
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Correct selection and purchase of organic fertilizer
The use of fertilizer should be carried out at the same time as growing vegetables and improving soil fertility. It is appropriate to use animal fertilizer and plant fertilizer in a ratio of 1 to 1. Each vegetable generally applies 45 to 60 grams of organic fertilizer per hectare and 1500 kilograms of organic special fertilizer per hectare. To apply sufficient base fertilizer, 80% of the total amount of fertilizer will be used as base fertilizer, combined with soil preparation.
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Hidden dangers in improper application of organic fertilizer
Composting is a kind of organic fertilizer widely used in rural areas of our country. It is made from various organic wastes such as straw, deciduous leaves, weeds, aquatic plants, green manure, peat, garbage, river mud, human and animal manure, etc. It is divided into two types: ordinary composting and high temperature composting. First, the method of composting system 1. Ordinary compost:.
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