不同类型大豆品种在不同密度和肥力下的高产潜力研究

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本研究采用三因素裂-裂区试验设计,以东81735(寡分枝)、东2176(中等分枝)和东0331(多分枝)3个不同分枝类型品种(系)设为主区,裂区分4个种植密度(10、20、30和35万株·hm-2),再裂区4种施肥量(900、700、500和300kg·hm-2),研究了不同密度和施肥量对不同分枝类型大豆品种(系)产量和光合性状的影响。研究表明,三个品种在不同密度和肥力组合下的分析得出:在48个处理中有12个处理的产量达到3500kg·hm-2以上,且都是高密(B4)、次高密(B3)和高肥(C4)、
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