水稻营养化学诊断是经济合理施肥,提高生产效益的一种有力手段.为了迅速把这项科研成果转化为生产力,现据我们多年研究与使用的几项营养测定技术综合介绍如下:一、测土施肥:根据土壤质地、疏松情况、有机质和矿质养分丰缺,以决定施肥时期、方式、肥量和配比,作为经济合理施肥的依据.据国内外的经验,凡采取测土施肥的均能获得较高 Chemical diagnosis of rice nutrition chemical fertilization and improve production efficiency is a powerful tool.In order to quickly translate this scientific research into productive forces, according to our many years of research and use of several nutritional measurement techniques are summarized as follows: First, soil testing Fertilization: According to the soil texture, loose conditions, abundance of organic matter and mineral nutrients to determine the fertilization period, mode, amount of fat and the ratio, as the basis for economic and rational fertilization.According to the experience at home and abroad, Get higher