河西灌区施钾对啤酒大麦产量及品质的影响.pdfVIP

Chinese ScienceBulletinV01．24No．12008 Agricultural January http：，，www·casb·。唱．cn ．276． 趟嬲趟绷 河西灌区施钾对啤酒大麦产量及品质的影响 赖丽芳1，郭天文1，胡志桥2，王成宝2，王卓2，杨文玉2 摘要：采用土壤养分状况系统研究法(ASI)，又称土壤养分状况综合评价法，研究河西灌区施钾对啤酒 大麦产量、品质的影响，并确定甘肃河西灌区合理经济的施钾量。结果表明固定N、P及微量元素等养分 白含量降低。说明施钾提高了啤酒大麦的产量与经济效益，改善并保证了啤酒大麦的品质，合理经济的 钾用量为150kg／hm2。 关键词：河西灌区；钾；啤酒大麦；产量；品质 中图分类号：S147．2文献标识码：A EffectofPotassiumLevelonYieldand ofMalt inHexi Area Quafity barley Irrigated Lai Tianwenl，Hu Zhu02 Lifan91，Guo Zhiqia02，WangChengba02，YangWenyu2，Wang land lnsthuteGamu 730070． Sciences，Gansu，Lanzhou (IDryAgricultureof AcademyofAgricultural 250／tandFertilizerInstituteGansu Academy Sciences，Cansu，Lanzhou730070) of ofAgricultural of methodsoilnutrients to effectofdifferent levelon Abstract：Systemstudy appliedstudy potassiumyield and ofmalt andtoascertainthereasonableandeconomicalof inHexiIrri- quality barley dosagepotassium Area．Resultshowthatmalt increased from5．9％to gated barleyyield 279—1325kg／hm2．amplituderanged 27．9％，thousands increased after withthatofno grainweight O．1~2．89 applyingpotassium，compared thousands contentin barley benefit，and increased，andprotein potassium；Maltyield，economic grainweight decreasedwith of grain