花生是卢龙县主要的油料作物,2009年种植面积7万亩,平均亩产221公斤。为了提高单产增加经济效益,近几年大力推广了地膜覆盖栽培技术,栽培面积达到5万亩,平均亩产242公斤,比裸地增产21公斤,增产10%以上,取得了较好的增产增收效 Peanut is the main oil crop in Lulong County. In 2009, the planting area was 70,000 mu, with an average yield of 221 kg per mu. In order to increase yield and increase economic benefits, in recent years, vigorously promote the plastic film mulching cultivation techniques, the cultivation area of ​​50000 acres, an average of 242 kilograms per mu, 21 kilograms more than bare land, yield more than 10%, and achieved good yield increase effect