KẾT QUẢ NGHIÊN CỨU XÁC ĐỊNH THỜI VỤ GIEO TRỒNG THÍCH HỢP CHO SẢN XUẤT NGÔ TẠI TỈNH SƠN LA

The experiments on finding the best sowing time for maize cultivation in Son La province were performed in the Spring-Summer 2010-2011 crop seasons in 3 districts of Moc Chau, Mai Son and Thuan Chau - Son La province. The seeds of maize cultivar NK67 were sown. The experiments consisted of 4 treatments in a random complete block design of which maize was seeded on 08th April (the control), 15th April, 22nd April and 29th April. The result of experiments in these 3 districts showed that the best sowing time for maize cultivation in Son La is from 15th to 22nd April.