关键词 ：钾效率 ；基因型 ；伤流 ；钾含量 ；相关关系 [gap=1299]Key words： K efficiency； genotype； bleeding sap； K content； correlation
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K-efficiency 钾效率
K efficiency ratio 钾效率比
K agronomy efficiency 钾素农学利用率
K production efficiency 钾素生产效率
k utilization efficiency 钾素利用效率
Pot experiment was carried out to study the K efficiency among 50 early rice and 47 second rice varieties under lwo K levels.
在盆栽缺钾和施钾条件下选用50个早稻品种和47个晚稻品种进行耐低钾筛选试验。
Genotypic differences of potassium (k) efficiency among 86 cotton cultivars were investigated under water culture at seeding stage, 28 typical cultivars were picked out for a series study.
营养液培养条件下对86个棉花基因型苗期进行钾效率筛选，并对其中的28个进行了系统的研究。
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