Đào Châu Thu, Mai Văn Phấn (trang 103-108) Từ khoá:  hiệu quả, sử dụng đất, nông hộ, giao đất, giao rừng, Yên Châu, Sơn La   Summary Household land use effectiveness after land and forest allocation at Yen Chau district, Son La province The effectiveness of the policy on land and forest allocation of the …

Ngô Thị Đào, Ngô Hữu Tình, Nguyễn Thanh Hiền, Lê Văn Dũng, Ngô Thị Hồng Tươi (trang 96-102) Từ khoá:  ảnh hưởng, chế phẩm vi sinh, cố định, nitơ, chuyển hoá, photphat, sinh trưởng, năng suất, ngô, dinh dưỡng, đất   Summary Study on individual and combination effects of nitrogen-fixing and phosphate solubilizing bacteria on …

Đỗ Ánh, Võ Đình Quang (trang 90-95, 115) Từ khoá:  hiệu lực, phân bón   Notes on effect of some chemical fertilizers on rice

Đỗ Đình Thuận, Nguyễn Văn Bộ (trang 81-89) Từ khoá:  sử dụng, phân bón   Summary The dramatic increase in fertilizer use in recent past Based on results of a long-term research mainly field trials, statistical data and farmer household survey, a comprehensive analysis of the status of fertilizer production and supply, past and recent …

Đỗ Ánh (trang 76-80) Từ khoá:  sử dụng, phân hoá học, thâm canh   Chemical fertilizers use for intensification

Trương Hồng, Hg. Thị Thanh Hương, Ng. Đặng Minh Chánh (trang 69-75, 80) Từ khoá:  dinh dưỡng, rửa trôi, đất nâu đỏ, bazan, phòng thí nghiệm   Summary Study on nutrient losses process caused by the leaching in red-brown soil from basaltic materials in the lab condition Study from 1998 to 1999. Nutrient leaching was …

Lê Thanh Sơn, Trần Kông Tấu (trang 64-68, 54) Từ khoá:  xử lý, tro nhẹ, tro than, vật liệu, hấp phụ, zeolite, cải tạo đất   Summary Treatment of coal fly ash to zeolite adsorptive material for soil improvement Coal fly ash was treated with different NaOH concentrations and in 24 hours by heating at …

Đặng Văn Minh, Marie Boehm (trang 59-63) Từ khoá:  chất lượng, đất, ứng dụng, sản xuất nông nghiệp   Summary Soil quality: concept and application in sustainable agriculture The paper highlines important characteristics of soil quality, including intrinsic and dynamic quality that have been identified based on the extent to which soil properties respond to …

Nguyễn Thúc Huyên, Hoy Srei, Vathanak Reasey (trang 55-58) Từ khoá:  định canh, đất, đất đỏ, bazan, Công Pông Chàm, Campuchia   Summary Study on monoculture of some red-soil types developed on basalt rocks in Congpongcham province, Kingdom of Cambodia Research on 3 soil profiles of red-soil developed on basalt rocks. The soil types were …

Võ Thị Gương, Tất Anh Thư, Ng.Trương Nhất Trung (trang 48-54) Từ khoá:  khả năng, đệm, lân, ao, Artemia, Vĩnh Châu, Sóc Trăng   Summary The phosphate buffering capacity of pond base for Artemia raising at Vinh Chau district, Soc Trang province Pond having high organic matter, high dissolved Ca and low iron mottle resulted …