Lê Đức, Nguyễn Ngọc Minh (trang 48-53) Từ khoá:  tác động, tái chế, đồng, Đại Đồng, Lê Đức, Văn Lâm, Hưng Yên, môi trường đất   Summary Effect of copper recycling by traditional method at Dai Dong, Van Lam, Hung Yen on soil environment Total content of copper war very high. Copper content of both …

Thái Phiên, Mai Văn Trịnh, Nguyễn Công Vinh, Minh Hà, Fagerstrom, Ingvar Nellson (trang 38-47) Từ khoá:  ảnh hưởng, hình thức, canh tác, đất dốc, du canh, bỏ hoá, xói mòn, cân bằng, dinh dưỡng   Summary Soil erosion and nutrient balance under different cropping systems of short fallow shifting cultivation 7 treatments and 3 …

Đỗ Ngọc Quỹ (trang 33-37) Từ khoá:  kết quả, nghiên cứu, giữ ẩm, tưới, chè   Summary A synthesis of research results and experiences on soil moisture conservation and irrigation for tea Experiences and long-term research in Phu Ho Tea station (1945-1999): mulching tea plantations is very necessary to control soil erosion, soil temperature and …

Trần Viết Ổn, Trần Kông Tấu (trang 25-32, 47) Từ khoá:  quan hệ, áp lực ẩm, đất, năng suất, ngô   Summary Some initial research results on the relation between yield of maize and soil suction Regression between soil suction and the maize yield from field trials results in 2000 summer crop at Phan Rang. …

Nguyễn Thế Hùng, Nguyễn Thế Đặng (trang 19-24) Từ khoá:  ảnh hưởng, bón phân, lân, sắn, độ phì, đất dốc ferralic acrisol, Thái Nguyên   Summary Effects of long-term P fertilization for cassava on soil fertility of sloping ferralitic acrisols in Thai Nguyen province P applications in conmbination with one level of 80kg N and …

Nguyễn Thế Hùng, J. Schoenau (trang 14-18, 24) Từ khoá:  ảnh hưởng, bón phân, đạm, sắn, độ phì, đất dốc, ferralic acrisol, Thái Nguyên   Summary Effects of long-term N fertilization for cassava on soil fertility of sloping ferralic acrisols in Thai Nguyeen province Long-term N application tended to increase soil total C, N, S …

Trần Khải (trang 12-13) Từ khoá:  phân phức hợp, phân hữu cơ, phân vô cơ   Summary Commentary on organic-mineral compound fertilizer Organo-mineral compound fertilizer has various eminent properties, with high recovery rate of nutrients. This fertilizer always gives higher crop yield and economic efficiency than other single fertilizer and maintains a sustainable environment and …

Nguyễn Văn Toàn, Nguyễn Ngọc Ngân (trang 5 – 11) Từ khoá:  tính chất hoá học, đất, lúa, giống, giống cổ truyền   Summary Some chemical properties of soils cultivated traditional rice varieties in Vietnam Analysis of 530 samples of the soils cultivated traditional rice varieties in 70 districts of 19 provinces. Most part of …

BBT (trang 160)   Sending article rules for Vietnam soil science Journal

BBT (trang 159) Letter – Box – Mail bag