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2 玉米和大豆不同种植模式土地当量比

Table 2 Land equivalent ratios in different maize-soybean cropping systems

年份 Year 种植模式 Planting configuration LERM LERS LER 2018 MS2:2 0.65±0.04a 0.31±0.03b 0.96±0.07b MS4:4 0.63±0.06a 0.44±0.09a 1.07±0.11ab MS6:6 0.69±0.05a 0.50±0.02a 1.19±0.03a 2019 MS2:2 0.61±0.03a 0.37±0.05b 0.98±0.05b MS4:4 0.62±0.03a 0.44±0.03ab 1.06±0.02a MS6:6 0.62±0.01a 0.50±0.04a 1.13±0.04a 平均值 Mean MS2:2 0.63±0.02a 0.34±0.04b 0.97±0.06b MS4:4 0.62±0.04a 0.44±0.06a 1.07±0.05ab MS6:6 0.66±0.03a 0.50±0.02a 1.16±0.03a P 种植模式 Planting configuration 0.647 0.039 0.027 年份 Year 0.299 0.648 0.730 种植模式×年份 Planting configuration×Year 0.769 0.906 0.796