Nguyễn Trọng Nhưỡng (trang 77-82) Từ khoá:  năng suất, lúa, đất phèn, Vĩnh Bảo, Hải Phòng   Summary Rice yield in various improved acid sulphate soils To get yield of 6.0 ta/ha/crop, to alleviate toxicity, leaching water should be the first ranking measure. Amount of fertilizer use: 7-10 kg P2O5/ha/crop in well improved thionic fluvisols, …

Ngô Thị Đào, Vũ Thị Bình, Nguyễn Đình Hiền (trang 72-76) Từ khoá:  đánh giá, độ phì, đất lúa, Minh Hoà, Hưng Hoà, Thái Bình   Summary Evaluation of the effective fertility of rice soils at Minh Hoa Cooperative, Hung Ha district, Thai Binh province Method for evaluating effective fertility of rice soil. There are …

Phạm Quang Khánh (trang 62-71) Từ khoá:  phân loại, đất đen, bazan, phương pháp, FAO-UNESCO   Soil classification study of black soils according to FAIO-UNESCO methodology

Erst Mutert, Thomas Fairhurst, Nguyễn Trọng Thi dịch (trang 51-61) Từ khoá:  quản lý, dinh dưỡng, đất dốc, Đông Nam Á   Summary Nutrition management in upland in South-East Asia – Constrains, challenges and opportunities Results of soil classification showed that there are 2 major soil groups and 5 soil units and 16 soil subunits.

Thái Trần Bái (trang 47-50) Từ khoá: động vật, động vật đất, Việt Nam   Summary Study on soil fauna in Vietnam Overview of study on soil fauna in Vietnam. Proposed main directions for the next future.

Cao Tiến Nhuận (trang 42-46) Từ khoá:  quy hoạch, sử dụng, đất, sử dụng đất   Summary Land use planning Land use planning is instrument to implement public policy. From perspectives as: land is considered as the source of raw material and land use is measured in term of its economic productivity; in term of …

Hồ Công Trực, Lương Đức Loan (trang 34-41) Từ khoá:  biện pháp, bảo vệ, xói mòn, độ phì, đất dốc, Tây Nguyên   Summary Measures to conserve and protect soils from erosion and to maintain soil fertility of slopping land in the Central Highland Measures: hillside ditches, alley cropping, hedgerow, intercropping and terrace cultivation reduced …

Lê Hồng Lịch, Lương Đức Loan (trang 22-33) Từ khoá:  tính chất, đất, đất đỏ, bazan, thoái hoá, Tây Nguyên, độ phì, biện pháp   Summary Some properties of degraded basaltic soils in the Central Highlands and measures for restoring soil fertility Porosity, moisture, filed capacity soil of the degraded soil are declined, content of …

GS.TS. Alain Ruellan, Trần Kông Tấu dịch (trang 21)   The Would Rendez-vous. Not to be missed (Letter of Prof.Dr Alain Ruellan, President of the International of Soil Science Society, Chairman of the Organizing Committee of the 16th World Congress of Soil Science)

Nguyễn Thiện Luân (trang 17-20) Từ khoá: hội thảo, phân bón, môi trường   Greeting speech delivered by Dr Nguyen Thien Luan, Vice minister of Ministry agriculture & rural development at the workshop on fertilizers and environment” on January 22-24, 1997