Sugarcane is not suitable for applying strong tail fertilizer

With the development of science and technology and the in-depth research on sugarcane, great improvement has been made in the “three attacks and one subsidy” (seizing, attacking, attacking, and reinforcing) tailings of sugarcane cultivation in the past, and one fertilization is advocated. Or 2 fertilization, no longer make up the Tail fertilizer. The reason is: From the perspective of sugar cane fertilizer demand, June-July sugar cane into the long stem thick, increased plant high, the fastest growth, the largest increase in biomass, absorption of nutrients peak, the need for fertilizer, so the fertilizer should be in June To the beginning of July, the joint extension of sugarcane is applied in the initial stage. If artificial fertilizer is left to be used for the application of strong tail fertilizer in August, it will not only affect the full exertion of fertilizer efficiency but also affect the growth of sugarcane, which will seriously affect the photosynthetic yield. From the pros and cons of strong tail fat, a large number of trials have shown that the development of autumn and winter bamboo shoots and sub-buds affecting ratoon cane is mainly due to the late rain and sunlight in the sugarcane fields, and the effect of fertilization is not significant. Although Shizhuang tailings can increase part of the output in the year, Affects sugar accumulation. It also reduces the actual benefits of fertilizers and it does not make much sense to apply tail-fat fertilizers. Seen from the top dressing operation, in July, the sugarcane soil has been raised and closed, and it is generally no longer necessary to fertilize the soil, such as spreading the strong tailing fertilizer on the ground, and the fertilizer efficiency is poor. Fertilization in the trenches, hot and humid fields, and operations are very difficult. In addition, the dry weather in August, dryland sugar cane absorption and utilization of fertilizer is difficult; paddy field sugar cane fertilization effect is better than dry land, but more work, but also affect the sugar, also not cost-effective. From the perspective of nutrients at the later stage, although a small amount of nutrients is needed in the later stage of sugarcane growth, it can be regulated by the redistribution of nutrients in sugarcane, and can be supplied by nutrients stored in soil. As long as the fertilization is sufficient in the first and middle stages, there is no problem of lack of fertilizer and fertilizer in the later period, and fertilization once or twice can be used in production. Excerpted from China Agricultural Press>

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