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为了探明小麦不同施钾量和施用方法的增产效果 ,于1 998～ 1 999年度安排了此项试验。1 材料与方法1 .1 试验材料试验设于汝阳县蔡店乡常渠村南岭 ,旱肥地 ,土壤为基性岩始成褐土 ,质地中壤 ,耕层养分为 :有机质 2 4.1ｇ/ｋｇ、全氮 1 .5 4ｇ/ｋｇ、碱解氮 1 1 3ｍｇ/ｋｇ、
In order to ascertain the effect of different K application rates and wheat yield, the experiment was arranged in 1998-1999. MATERIALS AND METHODS A. The experimental materials The experiment was conducted in Nanling, arid land of Changqu Village, Caidian Township, Ruyang County. The soil was basic cinnamon soil and the soil texture was medium. The nutrients in the tillage layers were: organic matter 2 4.1 g / kg, total nitrogen 1.54g / kg, alkaline hydrolysis 1133mg / kg,