不同栽培模式对夏玉米冠层结构及光合性能的影响
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李静,王洪章,许佳诣,刘鹏,张吉旺,赵斌,任佰朝
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Effects of Different Cultivation Modes on Canopy Structure and Photosynthetic Performance of Summer Maize
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LI Jing,WANG HongZhang,XU JiaYi,LIU Peng,ZHANG JiWang,ZHAO Bin,REN BaiZhao
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表1 密度及肥料运筹
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Table 1 Density and fertilizer management
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处理 Treatment | 种植密度 Planting density (plant/hm2) | 行距 Row spacing | 肥料类型 Fertilizer | 肥料用量 Dosage (kg·hm-2) | 比例 Proportion |
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播种 Seeding | 大喇叭口 V12 | 开花 VT | 乳熟 R3 |
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SH | 82500 | 80+40 cm | 有机肥 Organic fertilizer | 7500 | 100% | | | | | | N | 540 | 30%PU+10%U | 30%U | 20%U | 10%U | | | | P2O5 | 180 | 100% | | | | | | | K2O | 360 | 75% | | 25% | | HH | 82500 | 60+60 cm | 有机肥 Organic fertilizer | 7500 | 100% | | | | | | N | 225 | 30%PU+10%U | 30%U | 20%U | 10%U | | | | P2O5 | 150 | 100% | | | | | | | K2O | 300 | 75% | | 25% | | FP | 67500 | 60+60 cm | 种肥同播三元复合肥(N-P2O5-K2O=14-16-15)750 kg·hm-2 Ternary compound fertilizer (N-P2O5-K2O=14-16-15) 750 kg·hm-2 |
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