四、营期管理从出苗到现蕾这段时期叫苗期。北方棉区苗期管理的中心任务是在全苗的基础上减少死苗,保证计划密度,采取措施争取苗齐、匀、壮,使棉苗及时现雷。1.早查苗补缺。从开始出苗时起即应经常检查,发现缺苗立即补种或移栽,一般缺苗发生早时用催芽补种,缺苗发生晚时应用移栽补缺。2.中耕。苗期中耕于播种后棉花现行时开 Fourth, the camp management from emergence to budding this period called seedling. Northern cotton seedling management center mission is to reduce dead seedling on the basis of the whole seedlings, to ensure the density of the plan, take measures to fight Miao Qi, uniform and strong so that the cotton seedlings in time Lei. 1. Early check up fill vacancies. From the beginning of emergence should be checked regularly and found that lack of seedlings immediately replanted or transplanted, the general absence of seedlings early germination replant, lack of seedlings late application of transplanting fill vacancies. Cultivation Seedling cultivation in sowing the current cotton open