田间肥料试验是诊断柑桔需的的基本方法,也是检验其它诊断方法的手段。特别是长期定位试验,更能体现柑桔树体对肥料的实际反应,试验结果可直接应用于柑桔生产。 80年代以来,湖南省农科院园艺所先后进行了“温州蜜柑矿质营养与施肥的调查研究”和“温州蜜柑叶分析指导施肥的研究 Field fertilizer testing is the basic method for diagnosing citrus and is also a means of testing other diagnostic methods. In particular, long-term positioning test can better reflect the actual reaction of citrus trees to fertilizers, and the test results can be directly applied to citrus production. Since the 1980s, horticultural institute of Hunan Academy of Agricultural Sciences has conducted a “study on mineral nutrition and fertilization of satsuma Wenzhou” and "research on the guidance and fertilization of Satsuma Mandarin leaves analysis