有效群体 meaning in Chinese
effective population
Examples
- In planting ratoon sugarcane , " four early " : ploughing soil so as to loose sugarcane sprout , applying fertilizer during seedling so as to provide necessary nutrition for growing early and rapidly , early thinning out and singling seedling with shelling sear leaves so as to insure available populations and ventilation , controlling diseases and pests so as to ensure sugarcane seedling orderly , full and healthy
宿根蔗突出“四早”管理,即早破垄松蔸,促进蔗蔸萌发;早施苗肥,促进蔗苗早生快发,保证养分有效供给;早间苗、定苗,及时剥除枯脚叶,确保甘蔗有效群体和田间通透性;早防治病虫,保证苗齐、苗全、苗匀、苗壮。