Nguyễn Kim Lợi (trang 87-92) Từ khoá:  ảnh hưởng, sử dụng đất, bồi lắng, hồ, hồ Trị An, sông Đồng Nai   Summary Effect of land use/land cover changes and practices on sediment contribution to the Tri An reservoir of Dong Nai watershed Mathematical statistical models for predicting reservoir sedimentation were formulated through multiple e=regression …

Đào Châu Thu, Nguyễn Ích Tân (trang 82-86) Từ khoá:  đánh giá, đất đai, sử dụng đất, đất nông nghiệp, Mỹ Hào, Hưng Yên   Summary Land evaluation and orientation of agricultural land use in My Hao district, Hung Yen province There are 19 land mapping units. Based on results of land evaluation the orientation …

Tôn Thất Chiểu, Lê Thái Bạt (trang 76-81) Từ khoá:  đất, sử dụng đất, Trùng Khánh, Cao Bằng   Summary Soil resources and land use experiences in Trung Khanh district, Cao Bang province Studied results on soil map compilation and land evaluation of project area: the third of total area Trung Khanh is covered by …

Nguyễn Xuân Thành, Nguyễn Hạ Văn (trang 73-75, 86) Từ khoá:  hiệu quả, phân hữu cơ, phân vi sinh, lạc, đất bạc màu, Bắc Ninh   Summary Effect of multipurpose organic microbiological fertilizer (MOMF) on peanut on the soil fertility in Bac Ninh Multipurpose organic microbiological fertilizer had effect to decrease soil acidity, to increase …

Huỳnh Thị Kim Hối, Nguyễn Đức Anh (trang 67-72) Từ khoá: ảnh hưởng, bón phân, giun, giun đất, Oligochaeta, cải tạo đất, đất bạc màu,   Summary Effect of formulas of fertilizer application on earthworms in soil of Hiep Hoa Station for improving degraded soil, Bac Giang province In result, 9 species of earthworm belonging …

Nguyễn Bình Nhự, Nguyễn Thị Thuý Liên, Đỗ Ánh (trang 62-66) Từ khoá:  hiệu lực, phân lân, lúa, Bắc Giang   Summary Effect of phosphate to the growth and yield of short-day varieties of rice in midland region of Bac Giang Research was in 2002-2003. 3 short-day rice varieties were used. 7 treatments, 3 phosphorus …

Hồ Công Trực, Phạm Quang Hà (trang 57-61) Từ khoá:  cân bằng dinh dưỡng, cà phê, cà phê vối, đất bazan, Tây Nguyên   Summary Study on nutrient balance for robusta coffee in productive stage on basaltic soil of Western Highlands of Vietnam Based on the total of nutrients added to soil as well as …

Ngô Ngọc Hưng (trang 52-56) Từ khoá:  ảnh hưởng, bón phân, urea, hoạt động, phiêu sinh thực vật, tảo, N, lúa, đất lúa   Summary Effect of urea application on phytoplankton activity and nitrogen losses in rice field Research was conducted on alluvial soil at Chau Thanh, Can Tho during wet season 2002. Biomass of …

Nguyễn Ninh Phước, Cao Ngọc Điệp (trang 47-51, 61) Từ khoá:  ảnh hưởng, thuốc diệt cỏ, Rafele, Tiller’s, Cantanil, Satunil, hoạt động, sinh khối, vi sinh vật, đất phù sa, lúa, Đồng Tháp   Summary Effect of four kinds of herbicides (Rafele, Tiller’s, Cantanil, Satunil) on rialluvil soils microbial activity and carbon nitrogen biomass in …

Hồ Sỹ Hạnh, Hồ Công Trực, Võ Hành (trang 42-46) Từ khoá:  Oscillatoriaceae, Nostocales, vi khuẩn lam, đất, Đắk Lắk   Summary Oscillatoriaceae (Order family Nostocales) in the cultivated soils of some districts of Dak Lak province Species composition of family Oscillatoriaceae in cultivated soil there is rather diverse. There are 41 species and sub-species …