淮北地区大豆玉米带状复合种植的大豆品种筛选试验初报
NONGMIN ZHIFUZHIYOU YUEKAN(2023)
Abstract
大豆玉米带状复合种植的技术核心是选用紧凑型玉米和耐荫型大豆品种,利用2行密植玉米带与2-6行大豆带复合种植,大豆、玉米缩株保密,株距缩小到0.1m左右,中间种植大豆的距离,相当于将玉米的行距扩大到1.2m-1.4m,更好地利用光能和肥力,提高土地产出率.玉米受光空间由净作的平面受光变成立体多面受光,行行具有边行优势;大豆受光量显著增加,边际劣势显著下降;实现玉米基本不减产、多收一季豆,每667m2土地产出1.5倍.
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