冀乐沙地花生主要分布在滦河沿岸的滦县滦南、迁安等县，总面积50多万亩，尤以滦县沙地花生面积为最大，达26万亩。由于沙地保水保肥能力差，而且风剥严重，加之连年重茬病虫害逐年加剧，严重的影响了花生生产，花生单产总是徘徊在100公斤左右。为了改变沙地花生低产面貌，我们 The peanut of Ji Le sand land is mainly distributed in Luan County, Luan County and Qian’an County along the Luan River. The total area is more than 500,000 mu. Especially, the peanut area in Luanxian sandy land is the largest, reaching 260,000 mu. Due to the poor ability to maintain water and fertility in the sand and the severe wind erosion, and the pest and disease pest weakened year after year, the peanut production has been severely affected. Peanut yield has always hovered around 100 kg. In order to change the low yield of peanut land, we