摘要
以章丘大葱为试验材料,利用正交设计,对钙、镁、硫、硅4个因素在3个水平上对大葱产量的影响进行了研究。结果表明:4种元素中,各因素水平的变化对大葱产量的影响为硅>镁>钙>硫。通过多重比较分析确定了钙、镁、硫、硅最佳施用量分别为135、45、225、180 kg/hm2。处理5(Ca 135 kg/hm2,Mg 45 kg/hm2,S225 kg/hm2,Si 60 kg/hm2)与最佳施肥量组合最接近,并且处理5的产量最高,与其他处理存在极显著差异,为本试验条件下的最佳处理。
Zhangqiu welsh onion was used as material to discuss the effects of Ca,Mg,S and Si fertilizers on yield of welsh onion with the orthogonal design. The results indicated that the effect on yield in order with the four fertilizers was: Si > Mg > Ca > S,and the best effect on yield benefit was obtained under Si fertilization. Multiple comparison identified the optimum application rate of Ca,Mg,S and Si were: 135,45,225 and 180 kg / hm2,respectively. Treatment 5( Ca 135,Mg 45,S 225 and Si 60 kg / hm2,respectively) which was significant different with the others obtained the highest yield and was closest to the best application rate combination.
引文
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