俗话说:“地靠粪养,苗靠粪长。”粪肥是植物的粮食,是农作物生长所必需的营养物质,给农田施肥是提高产量、夺取丰收的重要条件。我国幅员辽阔,各地土壤千差万别。元代王祯在《农书》里说:“田有良薄,土有肥硗,耕农之事,粪壤为急。”因此,自古以来,人们对农田施肥极为重视。早在公元前三世纪时,《吕氏春秋·任地》即提出:“地可使肥,又可使棘。”指明了土壤肥力可以改变的客观规律。东汉王充在《论衡》中也说:“深耕细锄,厚加粪壤,勉致人力,以助地力。”主张用人改良土壤,增强地力。明代耿荫楼在《国脉民天》里进一步指出:“农家唯粪为最要紧,亦唯粪最为 As the saying goes: “rely on manure, seedlings rely on manure.” Manure is a plant food, is the necessary nutrients for crop growth, fertilizing the farmland is to increase production, to seize the harvest an important condition. Our country has a vast territory with vastly different areas of soil. Wang Zhen in the Yuan Dynasty said in the “Agricultural Book”: “There is a good field, fertile soil, agricultural matter, feces soil urgent.” Therefore, since ancient times, people attach great importance to fertilizing farmland. As early as the third century BC, “Lu’s Spring and Autumn Period,” put forward: “The land can make fertilizer, but also make spines.” Indicate the objective law of soil fertility can be changed. Wang Dong charge in the “Lun Heng” also said: “Deep plowing thin hoe, thick manure, Mirenhuili, to help force.” Advocate the use of soil improvement and enhance manpower. Geng Yin House in the Ming Dynasty, “Guomai Tiantian” further pointed out: "The only manure farm is the most important, but also the most fecal