Harm and control methods of sugarcane termites
Sugarcane termites are mainly black-winged termites and yellow-winged termites. Sugarcane will be harmed by termites in the whole growing period, especially in the germination stage after sowing, and the harmful sugarcane species often invade through the incisions at both ends and eat the tissue in the stem, so that the seedlings can not germinate. In the middle and later stage, it was eaten by underground sugarcane, which made the stem hollow, the leaves withered or dry shoots, and the whole plant withered. Control methods: first, per hectare, choose Shachongshuang, 5% Doxin, 5% carbosulfan, 5% chlorpyrifos, 4.5% chlorpyrifos and other granules 45-75 kg or 15% Lesben granules 15-18 kg, mix with 600 kg dry fine soil or chemical fertilizer and spread evenly in the sugarcane ditch to cover the soil. Second, termites like to eat plants such as pine branches, eucalyptus branch bark, bagasse and so on to set up traps. When a large number of termites are trapped into the pit, chemicals such as mirex, Lesbon and phoxim can be sprayed and killed.
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Management of sugarcane in spring
The phosphate fertilizer fully crushed with phosphate fertilizer, garbage fertilizer and farm manure are fully mixed and composted before application. In recent years, many sugarcane farmers directly spread phosphate fertilizer in the ditches, so that the utilization rate of phosphate fertilizer is less than 10% and more than 90% is fixed by the soil as ineffective phosphate fertilizer wasted. Suggestion: fully crush with 30,50kg phosphate fertilizer per mu.
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How to cultivate water-saving sugarcane in winter and spring
Paddy sugarcane is one of the important types of sugarcane cultivation in Yunnan. Many sugarcane cultivation areas in our province have serious soil erosion, irrigation and water conservancy facilities construction lags behind, coupled with drought in winter and spring and lack of water in paddy fields. Except that some fields can plant sugarcane according to the festival requirements, most of the paddy fields are planted late, from the end of April to the end of April.
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