IPI International Potash Institute
IPI International Potash Institute

研究报告: e-ifc No. 39, December 2014

小麦试验设计。照片为本文作者拍摄。

施用氮钾肥对面包小麦及硬质小麦产量和产量组成部分的影响

Dilek Anaç(1), Cenk Ceyhun Kılıç(2), Özlem Gürbüz Kılıç(3), Nevin Eryuce(1), Bihter Çolak Esetlili(1), Gülen Gonca Mersin(1), Barkın Kulahoglu(1) and Özgür Çobanoglu(1)
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摘要

(1)Ege University, 农学系, Bornova, Izmir, Turkey
(2)Ege University, Bayindir 职业培训学院, Bayindir, Izmir, Turkey
(3)Celal Bayar University, Akhisa 职业培训学院, Akhisar, Manisa, Turkey
通讯作者: dilek.anac@ege.edu.tr

在土耳其伊兹密尔市的埃格大学(Ege Univeresity)的 试验田进行了不同施用量的氮钾肥对面包小麦(Galil)和 硬质小麦(Ege88)的影响试验。该试验田土壤有效钾含量 低,本试验测量了小麦产量、产量组成部分、基本元素、氮 的利用率(NUE%)和氮肥的利用率(Ndff%)。总之,在同 等施肥水平下小麦及秸秆产量均是面包小麦高于硬质小麦 的。然而,最高产量却出现在硬质小麦施用最大量的氮钾 肥时。当钾肥的施用量最高时,两种小麦的氮的利用率也 都达到最高,面包小麦为1%,硬质小麦为5%。随氮钾肥施 用量的增加氮肥的利用率也增加。就氮肥的施用量来说, 在研究的所有氮的施用水平中,N1(150kg ha-1)是两种小 麦最经济的施用量。对面包小麦品种而言,在土耳其的埃 格地区,当钾肥的施用量为0,降水量低于244mm时,土壤 中的钾是足够的。另一方面,当氮的施用量为N1.5 (225kg N ha-1)时,硬质小麦的小麦及秸秆产量随钾肥的施用而明显增加。当氮钾肥施用量最高,即分别为225kg N ha-1、225kg K ha-1时,对这一品种而言是经济上可行的。

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