前言 钙是花生的重要营养元素之一。缺钙则根系细弱,根瘤不能正常形成发育,荚果空秕率增加,显著降低产量品质,甚至引起种子内伤,丧失发芽率。多年来,世界花生主产国有不少关于钙肥施用的研究报导,几乎一致认为:适当增施钙肥,将大大提高花生产量和品质。为了探求我省花生施钙肥的效果,1974—1978年进行了一些钙素营养吸收和钙肥施用效果方面的研究,现将结果综合如下。 Preface Calcium is one of the important nutritional elements of peanuts. Calcium deficiency is the root system is weak, nodules can not form the normal development, increased pod empty rate, significantly reduce the yield and quality, and even cause seed injury, loss of germination rate. Over the years, there have been many reports on the application of calcium fertilizer in the main peanut producing countries in the world. Almost all agree that proper application of calcium fertilizer will greatly increase the yield and quality of peanuts. In order to explore the effect of peanut calcium fertilizer in our province, from 1974 to 1978, some studies on the effect of calcium absorption and calcium application were carried out. The results are summarized as follows.