首页> 外文期刊>International Journal of Agronomy >Wheat (Triticum aestivumL.) Cultivar Selection Affects Double-Crop and Relay-Intercrop Soybean (Glycine maxL.) Response on Claypan Soils
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Wheat (Triticum aestivumL.) Cultivar Selection Affects Double-Crop and Relay-Intercrop Soybean (Glycine maxL.) Response on Claypan Soils

机译:小麦(Triticum aestivumL。)品种选择对Claypan土壤上双作和间作间作大豆(Glycine maxL。)的反应

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Field research (2003–2005) evaluated the effect of wheat row spacing (19 and 38 cm) and cultivar on double-cropped (DC) soybean response, 38-cm wheat on relay-intercrop (RI) response, and wheat cultivar selection on gross margins of these cropping systems. Narrow-row wheat increased grain yield 460 kgha−1, light interception (LI) 7%, and leaf area index (LAI) 0.5 compared to wide rows, but did not affect DC soybean yield. High yielding wheat (P25R37) with greater LI and LAI produced lower (330 kg ha−1) soybean yields in an RI system than a low yielding cultivar (Ernie). Gross margins were$267 ha−1greater when P25R37 was RI with H431 Intellicoat (ITC) soybean compared to Ernie. Gross margins were similar for monocrop H431 non-coated (NC) or ITC soybean, P25R37 in 19- or 38-cm rows with DC H431 NC soybean, and P25R37 in 38-cm rows with RI H431 ITC soybean in the absence of an early fall frost.
机译:田间研究(2003–2005年)评估了行距(19和38?cm)和品种对双季(DC)大豆响应,38厘米小麦对间作(RI)响应以及小麦品种选择的影响。这些种植系统的毛利率。与宽行相比,窄行小麦使谷物产量提高了460 kgha-1,光拦截(LI)提高了7%,叶面积指数(LAI)0.5了,但不影响DC大豆的产量。 LI和LAI较高的高产小麦(P25R37)在RI系统中产生的大豆单产(330 kg ha-1)低于低产品种(Ernie)。与Ernie相比,使用H431 Intellicoat(ITC)大豆的P25R37是RI时,毛利润为267美元/ ha-1更大。单作H431非包衣(NC)或ITC大豆的毛利率与DC H431 NC大豆在19或38 cm行的P25R37和RI H431 ITC大豆在38 cm行的P25R37相似秋霜。

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