夏玉米不同栽培模式花后叶片光合性能的差异
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李静, 王洪章, 刘鹏, 张吉旺, 赵斌, 任佰朝
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Differences in photosynthetic performance of leaves at post-flowering stage in different cultivation modes of summer maize (Zea mays L.)
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LI Jing, WANG Hong-Zhang, LIU Peng, ZHANG Ji-Wang, ZHAO Bin, REN Bai-Zhao
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表2 密度及肥料运筹
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Table 2 Density and fertilizer management
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处理 Treatment | 种植密度 Planting density (plant hm-2) | 行距 Row spacing (cm) | 肥料类型 Fertilizer | 肥料用量 Dosage (kg hm-2) | 比例Proportion | 播种 Seeding | 大口 V12 | 开花 VT | 乳熟 R3 | SH | 82,500 | 80+40 | 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 | 82,500 | 60+60 | 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 | 67,500 | 60+60 | 种肥同播, 复合肥 (N-P2O5-K2O=14-16-15) 750 kg hm-2 Compound fertilizer (N-P2O5-K2O=14-16-15) 750 kg hm-2 |
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