平度县有260多万亩耕地,土地资源丰富,农业增产潜力很大,每年大约有4.8—6亿斤粮食来源于化肥的增产。但是,当前我县普遍存在的问题是化肥利用效果较低。因此,不断改进施肥技术,对于农业生产的不断发展具有重要意义。现把影响化肥利用效果的几个主要问题分述如下。 There are more than 2.6 million mu of cultivated land in Pingdu County, rich land resources and great potentials for increasing agricultural output. Each year, about 480-600 million kilograms of grain comes from the increase of fertilizers. However, the prevailing problem in our county is that fertilizer use is less effective. Therefore, continuous improvement of fertilization technology is of great significance to the continuous development of agricultural production. Now affect the effect of fertilizer use of several major issues are described below.