综合农学管理模式对春玉米产量和养分累积特征的影响

袁静超,刘剑钊,梁尧,展文洁,张洪喜,曾子豪,蔡红光,任军

Characteristics of Grain Yield and Nutrient Accumulation for Spring Maize Under Different Agronomic Management Practices

JingChao YUAN,JianZhao LIU,Yao LIANG,WenJie ZHAN,HongXi ZHANG,ZiHao ZENG,HongGuang CAI,Jun REN

表3 不同农学管理模式下春玉米干物质积累及对籽粒的贡献

Table 3 Dry matter accumulation and contribution to grain of spring maize under different agronomic management practices

年份 Year	处理 Treatment	积累量 Accumulation of dry matter (kg·hm^-2)		积累率 Accumulation rate (%)		对籽粒贡献率 Accumulation rate (%)		转运效率 Translocation rate (%)
年份 Year	处理 Treatment	吐丝前BS	吐丝后AS	吐丝前BS	吐丝后AS	吐丝前BS	吐丝后AS	转运效率 Translocation rate (%)
2009	CK	6312.0c	8235.0a	43.4	56.6	2.8	97.2	3.3
	FP	8384.5b	7832.4a	51.7	48.3	19.4	80.6	19.3
	Opt-1	9976.0a	9696.2a	50.7	49.3	13.6	86.4	13.3
	Opt-2	11514.3a	9293.9a	55.3	44.7	25.4	74.6	23.2
	Opt-3	11239.2a	8579.4a	56.7	43.3	25.9	74.1	22.8
2010	CK	6028.0b	6480.8d	48.2	51.8	14.2	85.8	15.2
	FP	7850.0b	8985.1c	46.6	53.4	6.2	93.8	6.6
	Opt-1	10154.0a	8739.8c	53.7	46.3	21.3	78.7	19.9
	Opt-2	10920.0a	14267.1a	43.4	56.6	1.1	98.9	1.3
	Opt-3	9906.0a	11906.0b	45.4	54.6	6.9	93.1	7.8
2011	CK	—	—	—	—	—	—	—
	FP	11468.0ab	10453.3c	52.3	47.7	14.7	85.3	13.6
	Opt-1	9433.3b	15800.7a	37.4	62.6	1.8	98.2	2.6
	Opt-2	12480.0a	12831.3b	49.3	50.7	12.5	87.5	12.8
	Opt-3	13408.5a	13097.0b	49.1	50.9	11.9	88.1	12.2