玉豆轮作体系下减肥配施有机肥对大豆干物质积累及产量品质的影响
- Title:
- Effects of Weight Loss with Organic Fertilizer on Dry Matter Accumulation and Yield Quality of Soybean under the Corn-soybean Rotation System
- 摘要:
- 为探究黑龙江垦区有机肥替代部分化肥对玉豆轮作体系下大豆干物质积累及产量品质的影响，为黑龙江垦区玉豆轮作高效生产提供施肥依据，本研究以当地主栽大豆品种黑河43为供试材料，通过6年定位试验，比较分析不同有机肥配施处理对作物生长、干物质积累与分配等指标的影响。结果表明：与CK处理相比，减施氮肥并施用有机肥处理大豆R4期LAI显著增加18.62％。有机肥与化肥配施处理使植株的干物质积累量增加，在大豆R6期，减施氮肥并施用有机肥、减施钾肥并施用有机肥、减施氮磷钾肥并施用有机肥处理的茎、叶、荚皮与籽粒干重分别高于减施氮肥、减施钾肥、减施氮磷钾肥处理，其中减施氮磷钾肥并施用有机肥处理的茎干重较减施氮磷钾肥处理显著提高31.19%，减施氮肥并施用有机肥处理籽粒干重较减施氮肥处理显著提高36.99%。施用有机肥促进了大豆产量的提高，使大豆籽粒中的蛋白质含量提高，从而有助于大豆品质的提升。综上，不同有机肥配施化肥处理均能提高大豆的产量，其中减施钾肥并施用有机肥处理对作物产量的促进作用更强。
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