According to the climate, turfgrass and soil data in Beijing, the irrigation schedule of turgrass in Beijing for different typical hydrologic years was calculated with CROPWAT software developed by FAO.

• 根据北京地区的气象、草坪和土壤资料,利用由FAO编制的 CROPWAT软件,计算了不同降雨年型北京市草坪灌溉制度,结果为:在干旱年份灌水25次,净灌溉定额447 mm;