This study investigates the impact of different strip widths on the competitive strengths and grain yields of maize and soybean in a relay intercropping system (MSR). A two-year field experiment compared three strip-width arrangements (narrow, medium, and wide) with sole maize and sole soybean. Results showed that a medium strip width (200 cm) optimized yields for both maize and soybean, improving soybean's competitive ability without compromising maize's. This optimal width increased the total grain yield by 15% and land equivalent ratio by 22%, leading to a 99% increase in net income.
Publisher
Scientific Reports
Published On
Oct 27, 2020
Authors
Muhammad Ali Raza, Liang Cui, Ruijun Qin, Feng Yang, Wenyu Yang
Tags
strip widths
relay intercropping
maize
soybean
grain yields
competitive strength
net income
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