夏玉米不同栽培模式花后叶片光合性能的差异

李静, 王洪章, 刘鹏, 张吉旺, 赵斌, 任佰朝

Differences in photosynthetic performance of leaves at post-flowering stage in different cultivation modes of summer maize (Zea mays L.)

LI Jing, WANG Hong-Zhang, LIU Peng, ZHANG Ji-Wang, ZHAO Bin, REN Bai-Zhao

表2 密度及肥料运筹

Table 2 Density and fertilizer management

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
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)	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%
		60+60	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