转型期作物生产发展的机遇与挑战

邹应斌,黄敏

Opportunities and Challenges for Crop Production in China during the Transition Period

Ying-Bin ZOU,Min HUANG

表1 长江中下游地区基于水稻生产的作物多熟种植条件下的作物生育期比较

Table 1 Crop growth duration in rice-based cropping systems in the middle and low reaches of Yangtze River

种植制度 Cropping system 人工育苗移栽 Manual seedling transplanting 人工直播栽培 Manual direct seeding 前茬作物 Previous crop 后茬作物 Subsequent crop 前茬作物 Previous crop 后茬作物 Subsequent crop 播种期 Sowing date (month/day) 生育期 Growth duration (d) 播种期 Sowing date (month/day) 生育期 Growth duration (d) 播种期 Sowing date (month/day) 生育期 Growth duration (d) 播种期 Sowing date (month/day) 生育期 Growth duration (d) 早稻-晚稻 Early season rice-late season rice 3/20-3/30 110-120 6/15-6/25 110-120 4/5-4/10 100-110 7/10-7/15 ≤100 中稻-再生稻 Middle season rice-ratoon rice 4/1-4/5 130-140 8/10-8/15 60-65 4/5-4/10 125-135 8/10-8/15 60-65 中稻-油菜 Middle season rice-oilseed rape 4/10-5/20 135-150 9/5-9/15 215-230 5/10-5/20 125-135 9/25-10/10 190-200 中稻-小麦 Middle season rice-wheat 4/10-5/20 135-150 — — 5/15-5/25 120-130 9/20-10/20 ≤190 春玉米-晚稻 Spring maize-late season rice 4/1-4/5 110-120 6/15-6/25 110-120 4/5-4/10 110-115 7/10-7/15 ≤100 烟草-晚稻 Tobacco-late season rice 12/15-12/30 185-200 6/15-6/25 110-120 — — 7/10-7/15 ≤100