Nguyễn Thị Lan, Nguyễn Hồng Chính (trang 49-52, 61) Từ khoá:  sử dụng, phân bón, thâm canh, rau, Đông Anh   Summary The current status of using fertilizer for vegetables production in Dong Anh district – Hanoi Animal manure was used with 11 to 14 ton/ha. It’s only 55-70% of standard. But N fertilizer was …

Dương Minh Viễn, Võ Thị Gương, Nguyễn Minh Đông (trang 45-48) Từ khoá:  hiệu quả, phân hữu cơ, bã mía, bà bùn mía, sinh trưởng, cây trồng   Summary Using organic manure derived from sugarcane residue to improve crop yield The rate of composting of waste residue (filter residue) from sugar factory was enhanced by …

Lê Hồng Lịch, Bùi Tuấn, Võ Thị Kim Oanh (trang 41-44) Từ khoá:  hiệu lực, phân lân, lạc, đất bazan, Tây Nguyên   Summary The effects and residual effects of phosphorus fertilizers for peanut grown on rhodic ferralsols On rhodic ferralsols, the effects and residual effects of fused magnesium phosphate (FMP) for peanut were higher …

Nguyễn Kiều Băng Tâm, Tống Kim Thuần (trang 38-40, 48) Từ khoá:  vi sinh vật, nấm men sinh màng nhày, Lipomices, đất, đất đồi, Mê Linh, Vĩnh Phúc   Summary Quantitative investigation of the main groups of microorganisms and the yeast Lipomices in some soil samples from Melinh, Vinhphuc Result: the quantity of different groups …

Ngô Ngọc Hưng, Nguyễn Bảo Vệ (trang 32-37, 48) Từ khoá:  tính chất, phèn, đất phèn, tính chua, cải tạo đất, Đồng bằng sông Cửu Long   Summary Determination of acid sulfate soils ‘s acidification for agriculture development and rural construction in Mekong delta Disturbance by excavation or drainage of acid sulfate soils (ASS) for …

Võ Thị Gương, Dương Minh, Nguyễn Khôi Nghĩa, Trần Kim Tính (trang 29-31) Từ khoá:  suy thoái, hoá học, vật lý, vườn, cam, Đồng bằng sông Cửu Long   Summary Soil physical and chemical degradation of citrus plantation in the Mekong delta 6 citrus plantations were selected in a range of 7, 9, 16, 26, …

Nguyễn Văn Khôi, Nguyễn Thanh Tùng, Phạm Thị Thu Hà (trang 24-28) Từ khoá:  vai trò, polyme, hấp thụ nước, tính chất, đất, đất bạc màu, năng suất, cây trồng   Summary Verifying the role of water superabsorbent polymers on several properties and productivity of winter crop in degraded soil area Water superabsorbent polymers applied …

Đặng Văn Minh (trang 21-23) Từ khoá:  kali, lưu huỳnh, đất, chè   Summary Potassium and sulphur dynamic in the soils under tea plantations Total soil K content decreased in response to cultivation, whereas available K and total S increased or unchanged. Changes in K and S were mainly at the surface 0-40cm layer, but …

Nguyễn Thúc Huyên (trang 14-20) Từ khoá:  hình thái học, địa hoá học, đất xám, phù sa cổ   Summary Morphological and geochemical characteristics of old-alluvial soils (OASs) in Vietnam OASs soil group is one of few other soil groups in Vietnam having the most variable special and attractive morphologies, depend on microrelief, vegetations, production …

Hoàng Thị Minh (trang 10-13, 23) Từ khoá:  dung tích hấp thu, cation trao đổi, đất bạc màu, ảnh hưởng, năng suất, lúa   Summary Cation exchange capacity and composition of exchangeable cations in degraded soil, means improve cation exchange capacity of soil and influence of cation exchange capacity on rice yield In degraded soils, …