Trịnh Duy Nam1 , Nguyễn Ích Tân2 , Hà Thị Thanh Bình2
1, 2 Trường Đại học Nông nghiệp Hà Nội.
Từ khóa: ảnh hưởng, biện pháp, làm đất, che phủ, đất, tàn dư thực vật, đặc tính, đất dốc, canh tác ngô, ngô, Mai Sơn, Sơn La
Effect of tillage methods and soil cover by crop residues to the properties
of sloping soils growing maize in mai son district, son la province
Trịnh Duy Nam, Nguyễn Ích Tân, Hà Thị Thanh Bình
Field trial results in a maize cultivation on sloping land in Mai Son district, Son La province showed that techniques combined plow furrowing covered with crop residues and pierced seeded with cover crop residues growth, development, and yield of maize and reduced soil erosion from 55.2 to 58.4%, maize yield was from 5.71 to 6.05 tons / ha, increased from 0.53 to 0.87 tons/ha (up from 10.1 to 17.0%); economic efficiency increased from 4566.7 to 5641.7 VND / ha (up from 55.4 to 68.6%) compared to control (plow and burn all bark residues).