【摘要】 本文研究了在江苏淮北地区不同钾肥用量对优质面包专用型小麦苏徐1号产量的影响,同时通过长期定位试验研究了增施钾肥对苏徐1号产量及品质的影响。钾肥用量试验结果表明,施用钾肥可增加产量8.3%～13 7%,适宜的钾肥用量为90～135kgK2O/hm2,最佳经济钾肥施用量为135.6kgK2O/hm2,其产量为5056.1kg/hm2,长期定位试验结果表明,施用钾肥可提高苏徐1号的商品品质,在长期不施有机肥(厩肥)的情况下,增施钾肥可改善面粉的加工品质,提高其评价值。更多还原

【Abstract】 Effect of different potassium fertilizer application rates on the yield of bread-making wheat SUXU 1 was studied, and the effects of fix-point applied potassium on the yield and quality of bread-making wheat SUXU 1 were also discussed in this paper. The results showed: the proper application rates of chemical potassium on SUXU 1 in this area are 90 to 135 kg K2O /ha, and the yields increased by 8.3% to 13.7%; the economic optimum application rates of chemical potassium on SUXU 1 is 135.6 kg K2O /ha, and the yield is 5056.1kg/ha; potassium may improve the commodity quality and processing quality of SUXU 1.更多还原