我国林果种植面积约0.2亿hm2,是农业增收、提高效益和增加外汇的重要途径。在果林生产中,施用农家肥是提高果品品质和增产的主要因素。北京市种植苹果、桃、梨、葡萄和杏等水果13万多hm2,开沟施肥基本 China’s fruit growing area of ​​about 20 million hm2, is an important way for agricultural income, improve efficiency and increase foreign exchange. In the fruit forest production, the application of manure is to improve fruit quality and yield a major factor. Beijing grows more than 130,000 hm2 of apples, peaches, pears, grapes and apricots in Beijing and basically ditches fertilize