五改善农家肥料应先以人糞尿的利用为重点:在华北现有肥料供给情况下,农村自给肥料实佔最重要的地位。因为油饼类产量较小,其用途又不仅限于肥料;而化学肥料工业尚在发展中,供应不足,大部农村尚未使用。所以在现在农业生产上,数量最大应用最广的农村肥料就成为主要支柱。农村肥料的来源,主要可分为动物性的与植物性 Fifth, improvement of peasant household fertilizer should focus on the utilization of human waste: Under the existing fertilizer supply in North China, rural self-sufficient fertilizer accounts for the most important status. Because of the small output of oil cakes, their use is not limited to fertilizers. However, the chemical fertilizers industry is still under development and is in short supply. Most rural areas are not yet in use. Therefore, in the current agricultural production, the largest and most widely used rural fertilizer has become the main pillar. The source of rural fertilizer, can be divided into animal and plant