辽西半干旱区玉米大豆间作模式对作物干物质积累分配、产量及土地生产力的影响

蔡倩,孙占祥,郑家明,王文斌,白伟,冯良山,杨宁,向午燕,张哲,冯晨

Dry Matter Accumulation, Allocation, Yield and Productivity of Maize- Soybean Intercropping Systems in the Semi-Arid Region of Western Liaoning Province

Qian CAI,ZhanXiang SUN,JiaMing ZHENG,WenBin WANG,Wei BAI,LiangShan FENG,Ning YANG,WuYan XIANG,Zhe ZHANG,Chen FENG

表3 单作及间作玉米单株干物质积累与分配比率

Table 3 Above-ground dry matter accumulation and allocation rate of maize in sole and maize-soybean intercropping systems

种植模式Planting configuration 单株干物质积累 Dry matter accumulation per plant (g/plant) 干物质分配比率 Dry matter partitioning ratio (%) 拔节期 Jointing stage 灌浆期 Filling stage 拔节期 Jointing stage 灌浆期 Filling stage 茎 Stem 叶 Leaf 茎 Stem 叶 Leaf 穗 Ear M 64.97±5.85b 277.67±14.30b 40.05±1.05a 59.95±1.05a 40.25±3.62a 18.58±1.11a 41.17±3.38b MS2:2 78.17±4.77a 420.10±19.43a 41.25±1.90a 58.75±1.90b 31.60±1.16c 15.74±0.44b 52.66±0.84a MS4:4 77.38±5.26a 423.62±17.62a 40.57±0.48a 59.43±0.48a 35.55±1.16ab 13.72±0.73c 50.73±1.25a MS6:6 75.74±2.93a 421.22±21.27a 41.32±0.67a 58.68±0.67b 32.21±2.26bc 13.57±0.61c 54.22±1.95a