介绍玉米和菜豆间作结果和初步结果的方法

M. N. Austin, J. Marais
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引用次数: 4

摘要

进行了玉米和干豆替代间作试验,以提供信息,从而可以制定减少西斯凯地区旱作作物生产风险的种植策略。重点讨论了间作试验的分析问题。结论是需要一种以上的分析方法。必须考察获得的毛产量以及按收获比例而不是按播种比例计算的竞争效应。玉米和豆类的替代间作似乎并不能提供减少西斯凯地区雨养作物风险的策略。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Methods of presenting intercropping results and preliminary results with Zea mays and Phaseolus vulgaris
Replacement intercropping trials with maize and dry beans were conducted to provide information which could lead to a cropping strategy that would reduce the risk of rainfed crop production in the Ciskei. Attention is focused on the problem of analysing intercropping experiments. It was concluded that more than one method of analysis was necessary. The gross yields obtained as well as the competition effects in terms of the proportion harvested rather than the proportions sown must be examined. Replacement intercropping of maize and beans does not appear to provide a strategy for reducing the risk of rainfed cropping in Ciskei.
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