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甘薯地膜覆盖具有增温保墒、改善土壤性状的功能,采用地膜覆盖能延长甘薯生长时间,一般可增产30%一50%,甘薯提早上市,是增加收入的一项高效栽培技术。具体做法:一、深耕起垄栽培甘薯根系发达,深耕能疏松土壤,改善根系通气状况,增强蓄水保墒能力,有利于薯块膨大,是甘薯增产的重要环节。深耕以20一一30厘米为
The mulching of sweet potato has the function of warming soil moisture and improving the soil properties. The mulching can prolong the growth time of sweet potato, and generally increase the yield by 30% -50%. The sweet potato is put on the market early and is an efficient cultivation technique for increasing income. Specific practices: First, cultivating deep furrow cultivation Developed sweet potato root, deep plowing can loosen soil, improve root ventilation, enhance water retention capacity, is conducive to the expansion of potato, sweet potato is an important part of the increase. Deep plowing to 20 eleven 30 cm for