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近年来,玉米深厚层施肥播种技术在河北省得到了广泛的推广应用。截至2015年,全省已累计实施作业600多万亩,增产效果显著,受到农民群众的欢迎。该技术集深厚层施肥、精量播种等功能于一体,将缓控释肥料一次性施入根系密集区,不需二次追肥,简单省事,减少投入,具有广阔的发展应用前景。一、深厚层施肥的定义深厚层施肥是指利用深松施肥铲等装置,将肥料施在地表10cm以下至深松深度不小于25cm的
In recent years, deep fertilization of corn sowing technology in Hebei Province has been widely promoted. As of 2015, the province has accumulated more than 6 million hectares of operations and the yield-raising effect has been remarkably welcomed by the peasant masses. The technology integrates deep layer fertilizing, precision sowing and other functions into one. The controlled and controlled release fertilizers are applied to the root dense area in a single operation without the need of secondary top dressing, simple and easy operation, and less investment, which has broad prospects of development and application. First, the definition of deep fertilization Deep fertilization refers to the use of deep fertilization shovel and other devices, fertilizer applied to the surface 10cm below the depth of not less than 25cm depth