What is the benefit of organic fertilizer to the growth and development of peanut?
The main results are as follows: (1) Organic fertilizer contains many kinds of nutrient elements, such as nitrogen, phosphorus, potassium and so on. Organic fertilizer has high fertilizer efficiency, long fertilizer effect and stable fertilizer effect, which can continuously supply the nutrition needed by peanuts for a lifetime. (2) Organic fertilizer is composed of excreta and residues produced in the life activities of animals and plants, which produce heat during fermentation decomposition, increase soil temperature, promote the activities of microorganisms and rhizobium, and accelerate soil ripening. It is beneficial to the activity of root system and rhizobium. (3) long-term application of organic fertilizer can improve soil and improve the ability of soil water storage, soil moisture conservation and fertilizer conservation. (4) through microbial decomposition, organic matter synthesizes humus and decomposes to produce elements such as nitrogen, phosphorus and potassium, as well as carbon dioxide and carbon nutrition, which is helpful to the decomposition and transformation of mineral fertilizers. (5) the mixed application of organic fertilizer and chemical fertilizer can give full play to the role of chemical fertilizer.
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Integrated Control of Peanut Fusarium Wilt covered with plastic Film in early Spring
Peanut wilt includes many diseases, such as blight, root rot, white silk disease, stem rot and so on, which seriously affect the production of peanut covered with plastic film in early spring. First, the common characteristics of the disease are that the stems or leaves of peanuts wither and become discolored and necrotic. The disease is serious in general continuous cropping land and poor soil quality land, rotation cropping land and fertilizer.
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How to control peanut bacterial wilt?
How to control peanut bacterial wilt? (1) rotation: the rotation of water and drought has obvious effect after 1 to 2 years. The rotation of dry land and cereal crops was 1 ~ 3 years in mildly diseased land and 4 ~ 5 years in seriously diseased land. (2) selection of disease-resistant varieties: at present, the disease-resistant varieties are Xiekangqing, Ehua 5, Zhonghua 2, You92, Guiyou 28.
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