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作物缺锌是一种最普遍的微量营养元素缺乏症,在联合国粮农组织的报告中,Ryan等(1967)推测,在15个欧州国家中,有10个国家土壤中锌的含量是低水平的。在南澳大利亚有90英里缺微量元素的沙漠,竟有3亿英亩的土地受到影响,最常发现缺乏的微量元素是锌、铜和钼(Anderson et al,1959);美国至少有30个州有缺锌的报告(Berger,1962)。近年来,我国江苏、云南、山东、四川、甘肃、湖北、河北等省的一些地区相继发现农作物出现缺锌症状。但是,国内对于花生应用锌肥的报导研究,迄今仍是很少的。因此,进行锌肥肥效探索试验很有必要。同时也对营养元素间的相互作用问题进行了初步探讨。试验结果简介如下:
Zinc deficiency in crops is one of the most common micronutrient deficiencies and in the FAO report, Ryan et al. (1967) speculated that in 10 of the 15 European countries, soil zinc levels were low . In Australia, a desert of 90 miles of trace elements is affected by as much as 300 million acres of land. Most of the missing trace elements are zinc, copper and molybdenum (Anderson et al., 1959). At least 30 states in the United States Zinc deficiency report (Berger, 1962). In recent years, some areas in Jiangsu, Yunnan, Shandong, Sichuan, Gansu, Hubei and Hebei provinces have successively discovered the symptoms of zinc deficiency in crops. However, there are still few reports on the application of zinc fertilizer to peanut in China. Therefore, the zinc fertilizer efficiency test is necessary. At the same time, the interaction between nutrients is also discussed. The test results are summarized as follows: