The effects of potassium nutrition on water use in field-grown maize (Zea mays L.)

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• 作者：Elsa Martineau^a ; Jean-Christophe Domec^a ; Alexandre Bosc^a ; Pascal Denoroy^a ; V&eacute ; ronica Asensio Fandino^b ; Jos&eacute ; Lavres Jr^b ; Lionel Jordan-Meille^a ; ^{lionel.jordan-meille@agro-bordeaux.fr}
• 关键词：Potassium ; Water deficit ; Maize crop ; Gas exchange ; Water use efficiency ; Yield
• 刊名：Environmental and Experimental Botany
• 出版年：2017
• 出版时间：February 2017
• 年：2017
• 卷：134
• 期：Complete
• 页码：62-71
• 全文大小：1149 K
• 卷排序：134

文摘

K fertilization improved water use efficiency and grain yield under water stress. K fertilization accentuated the isohydricity of maize. K mitigated the effect of water stress by increasing stomatal sensitivity to drought. K deficiency exacerbated the negative effect of water deficit.