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玉米是德宏州重要的粮饲兼用作物,随着玉米育种、栽培技术的发展和田间管理水平的提高,玉米种植的密度和最佳行距也随之发生变化。进行了5种不同行距处理对夏玉米产量的影响试验。结果表明:随行距增加,玉米产量有下降趋势,不同行距间产量存在显著差异,行距50 cm、株距35 cm产量最高,达8 382.0 kg/hm~2,较行距75 cm、株距23 cm对照增产17.9%,增产效果明显。
Maize is an important crop for both grain and food in Dehong Prefecture. With the development of maize breeding and cultivation techniques and the improvement of field management, the density and the optimum spacing of maize planting also change accordingly. Five different row spacing treatments were conducted on the yield of summer maize. The results showed that the yield of maize showed a downward trend with increasing row spacing, with significant differences in yield between different row spacing. The row spacing of 50 cm and the row spacing of 35 cm were the highest, reaching 8 382.0 kg / hm ~ 2, 17.9%, increase yield is obvious.