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 …

Trương Thị Nga (trang 39-47) Từ khoá:  ảnh hưởng, phù sa, Đồng bằng sông Cửu Long, năng suất, lúa   Effect of alluvia on rice yield in An Giang province

Nguyễn Công Vinh (trang 33-38) Từ khoá:  chất hữu cơ, C, N, đất, ảnh hưởng, băng chắn, bảo vệ, tephrosia candila   Summary Soil raw organic matter, C, N affected by the hedgerow PF tephrosia candila under agroforestry system Intercropping the hedgerow of green manure tree (tephrosia candila) is a resolution to enhance the soil …

Võ Thị Gương, Jean Claude Revel (trang 26-32, 47) Từ khoá:  đánh giá, khả năng, cung cấp, dưỡng chất, đất lúa, đất, lúa, Đồng bằng sông Cửu Long   Summary Assessment of nutrient supply capacity of the rice soil in the Mekong Delta Based on the results of field experiment in dry season at 19 …

Nguyễn Xuân Cự (trang 20-25) Từ khoá:  mùn, hấp phụ, photphat, đất lúa, Đồng bằng sông Hồng   Summary The humus characteristics and phosphorus sorption capacity of the paddy rice soil in the Red river Delta Research results: content of humus is low at 1.61% and the C/N ratio is 7.78. Humus quality is low. …

Nguyễn Thúc Huyên, Hoàng Sĩ Khải (trang 16-19) Từ khoá:  thành phần, hàm lượng, keo, keo khoáng, đất, phù sa, Đông Nam Bộ   Summary Composition and content of mineral colloid of old alluvial soils (OASs) in the South Eastern Region of Vietnam The composition and content of 4 typical OASs profiles were determined. The …