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经济合理地施用肥料包括科学施肥时期,经济合理的施用数量,各种肥料的合理搭配,以及科学的施用方法。就目前全省各稻区施肥情况来看,还有许多需要改进之处。如普遍存在施肥量大,浪费肥料的现象。据营口县旗口乡农业技术推广站试验,亩施80公斤标氮虽比亩施60公斤标氮略有增产,但亩产值并没有增加。因此,增加施肥量必须考虑其经济效益。省农科院土肥所、省
The economical and rational application of fertilizers includes the scientific fertilization period, the economic and reasonable application quantity, the reasonable collocation of various fertilizers, and the scientific application method. As far as the present situation of fertilization in paddy areas in the province is concerned, there are still many areas for improvement. Such as the widespread application of fertilizer, waste of fertilizer phenomenon. According to Yingkou County Qikou Township Agricultural Technology Extension Station test, Mushi 80 kg standard nitrogen than the Kush 60 kg standard nitrogen slightly increased production, but the mu output did not increase. Therefore, to increase the amount of fertilizer must consider its economic benefits. Provincial Academy of Agricultural Soil and Fertilizer, Province