以下为句子列表：
英文: 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 l
中文: 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。
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