我省山麓平原分布在京山、京广铁路沿线,包括60个县市,占河北平原总面积的49.5%。这里地势平缓,排水良好,多褐色壤土,是全省人口密度最大〈注一〉,人均耕地面积最小〈注二〉,粮、棉产量最高的农业高产地区。一般县份粮食平均亩产都在400斤以上,高产县份可达千斤左右。 这里要不要建设农田林网呢?实践证明是非常必要的。因为: The foothills of our province are distributed along Jingshan and Jing-Guang Railroads, including 60 counties and cities, accounting for 49.5% of the total area of ​​Hebei Plain. Here flat, well drained, more brown loam, the province’s largest population density , the smallest per capita arable land , grain, cotton yield highest agricultural high-yield areas. The average grain yield of ordinary counties is above 400 kg, and the high-yielding counties can reach about 1000 kg. Is it necessary to build farmland forest network here? Practice has proved very necessary. because: