Võ Minh Kha (trang 58-68) Từ khoá:  kinh nghiệm, phân bón, lúa, Đồng bằng sông Hồng   Experience withdrawn from 50 years of fertilizer use for rice in the Red river delta

Nguyễn Kiều Băng Tâm (trang 53-57) Từ khoá:  vai trò, giun, giun đất, phân bố, nấm men   Summary The role of earthworm in distribution of yeast population in the soils High number of Trichosporon cutaneum in FH layer could be explained by accumulation excrement in that layer when earthworm use the soil of L-layer …

Đặng Văn Minh (trang 48-52) Từ khoá:  ảnh hưởng, chè, trồng trọt, tính chất lý hoá, đất   Summary Effect of long-term tea cultivation on physical and chemical soil properties Key indicators of soil quality (most sensitive to cultivation-induced changes) were soil organic C, nutrient supply (n, P, K and S), pH, mechanical resistance, bulk …

Nguyễn Thúc Huyên (trang 41-47, 57) Từ khoá:  đất, nitisol, đất nâu tím   Summary Nitisols Summarizing the diagnostic horizon and properties, soil field identification way… examine the correspondence between nitisols and same nomenclatures in VNC, FCS and USDA Taxonomy. Conclusions: nitisols have lowest areas and modest presence compared with 2 other tropical acid soils …

Trương Hồng, Tôn Nữ Tuấn Nam, Trần Thu Hà, Hồ Công Trực và ctv (trang 34-40) Từ khoá:  kết quả, điều tra, phân loại, đất, đất đồi, Phú Sơn, Thuỷ Bằng, Hương Thuỷ, Thừa Thiên Huế   Soil survey and classification of the upland at Phu Son and Thuy Bang commune, Huong Thuy district, Thua …

Võ Thị Gương, Trần Kim Tính, Lê Quang Trí (trang 30-33) Từ khoá:  ảnh hưởng, tính chất, hoá lý, năng suất, sắn, đất phèn, Tri Tôn, An Giang   Summary Relationship between soil chemical properties and cassava tube yield on acid sulphate soils at Tri Ton, An Giang There was high correlation between plant height, …

Trương Thị Nga, Huỳnh Quốc Tịnh (trang 25-29) Từ khoá: tính chất hoá học, đất, rừng ngập mặn, ven biển, Tam Giang, Cà Mau   Summary Chemical properties of mangrove forest soils in Tam Giang, Ca Mau province Research results: soil quality of different species of mangrove plantation is fairly good with high concentration of …

Nguyễn Bảo Vệ (trang 16-24, 29) Từ khoá:  cố định, kalil, đất, lúa, Đồng bằng sông Cửu Long   Summary Potassium fixation isotherm of rice soils in the Mekong delta Samples from top soil of 15 soils from different landform and soil texture. They were dried and ground and incubated at 30oC in levels of …

Phạm Quang Hà (trang 7-15) Từ khoá:  photpho, quan trắc, phân tích, môi trường, đất, Bắc Việt Nam, miền Bắc   Summary Monitoring soil environment in Northern Vietnam from 1996 to 2002 case study of phosphorus Result of monitoring and analyzing phosphorus in 3 areas. In Thanh Tri, P rate is 10089 mg P/kg of …

Sending article rules for Vietnam soil science journal BBT (trang 14)