Effects of nitrogen and soil moisture before planting on green leaf area after heading werestuied with optimum design and computer technique.Establish the mathematical function of thepramenters of green leaf area for wheat.Analysing the effects of this factors on green leaf areaand duration time and defined the high yield culture way to regulate this index.The results indi-cated that different treatment of soil moisture and nutrients showed significantly regulation on theparameters of green leaf area after ...
修改评论