印度某些地方马铃薯(Solanum tuberosum Linn.)对施锌反应灵敏(Grewal和Trehan,1978)。马铃薯缺锌一般是通过土壤施用或喷施含锌物质来解决。土壤施硫酸锌的效果差,是因为所施的锌大部分为土壤所固定,而如果将锌喷施到叶面上,则植株可能会受到难以恢复的损伤。由于向土壤中不断施锌,造成了含 Solanum tuberosum Linn. Is sensitive to zinc application in some parts of India (Grewal and Trehan, 1978). Zinc deficiency in potatoes is usually solved by soil application or spraying of zinc-containing substances. Zinc sulphate is poorly applied to soils because most of the applied zinc is soil-fixed, and if zinc is sprayed onto the foliage, the plants may be harder to recover. As a result of the constant application of zinc to the soil, it has been contained