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1 综合农学管理模式的栽培措施

Table 1 Cultivation of different integrated agronomic management practices

处理 Treatment 种植密度 Plant density (×104 plants/hm2) 耕作 Tillage 肥料 Fertilizer 肥料施用量 Fertilizer application amount (kg·hm-2) 施肥量 Fertilizing amount 播前 Before seeding 拔节期 V6 抽雄期 VT CK 6.0 灭茬旋耕 Stubble rotary tillage N 0 — — — P 0 — — — K 0 — — — 微量肥Microelement 0 — — — 有机肥Organic 0 — — — FP 5.0 灭茬旋耕 Stubble rotary tillage N 225 225 — — P 82.5 82.5 — — K 67.5 67.5 — — 微量肥Microelement 0 — — — 有机肥Organic 0 — — — Opt-1 6.0 灭茬旋耕 Stubble rotary tillage N 195 78 117 — P 75 75 — — K 82.5 82.5 — — 微量肥Microelement 60 60 — — 有机肥Organic 15000 15000 — — Opt-2 7.0 6展叶深松 V6-subsoiling N 300 120 120 60 P 120 96 24 — K 120 96 24 — 微量肥Microelement 150 150 — — 有机肥Organic 15000 15000 — — Opt-3 7.0 6展叶深松 V6-subsoiling N 225 90 90 45 P 90 72 18 — K 90 72 18 — 微量肥Microelement 150 150 — — 有机肥Organic 15000 15000 — —