夏甘薯高产栽培技术我们在“八五”期间开展了小麦和甘薯一体化亩产吨粮与配套技术研究，收到了显著的成效。仅山东省牟平和莱阳两县，增加夏甘薯播种面积３０多万亩，平均产量２９５４公斤。一、采苗圃技术选择背风向阳，土层较厚，中等偏上地力的地块为春甘薯地（有水浇... Summer Sweet Potato High-yielding Cultivation Techniques In the “Eighth Five-Year Plan” period, we conducted a study on the integration of wheat and sweet potato production per ton of grain and its supporting technologies and received remarkable results. Only Muping and Laiyang counties in Shandong Province increased the sown area of ​​summer sweet potato more than 300,000 mu with an average yield of 2954 kilograms. First, mining technology choice leeward sunny, thick soil, medium to high on the land of sweet potato for the spring (with water ...