论文部分内容阅读
阐述了硫肥在淡黑钙土上对玉米的产量构成、叶绿素含量、植株及子粒养分含量的影响。通过对玉米最大效益硫肥用量的计算 ,得出在淡黑钙土上玉米施用硫肥的适宜用量为 75kg h 。
The effects of sulfur fertilizer on the yield components, chlorophyll content, plant and grain nutrient contents of maize on chernozem were expounded. By calculating the amount of sulfur fertilizer which is the most beneficial to corn, it is concluded that the appropriate amount of sulfur fertilizer applied to maize on the light chernozem is 75kg h.