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棉花不同生育时期对肥料的需求是不同的,在施肥的要点把握上,要做到底(基)肥足,苗肥速,蕾肥稳,花铃肥狠,普施桃肥。这样施肥,就可使棉花做到早发稳长不早衰。底肥的施用量一般要占棉花需肥量的60%左右,施用肥料要以有机肥和高含量的多元复合肥为主。苗期应以施用氮肥为主。因为棉花苗期植株中的含氮量占3.3%,高于其他生育阶段,同时苗期地下主根发育速度高于地上
Cotton at different stages of growth of the demand for fertilizers are different, grasp the main points in the fertilization, to be done at the end (base) enough fat, seedling fertilizer speed, bud stability, Hualeng fat and ruthless, common Shi Taofei. This fertilization, you can make cotton do not premature onset of early failure. The amount of base fertilizer generally accounts for about 60% of the amount of cotton needed, the application of fertilizers to organic fertilizer and high content of multi-compound fertilizer based. Seedling should be the main application of nitrogen fertilizer. Because cotton seedlings nitrogen content in plants accounted for 3.3%, higher than other stages of growth, while the development of seedling underground roots faster than the ground