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Articles 61 - 63 of 63
Full-Text Articles in Life Sciences
Grassland And Livestock Production: The East African Case, David Miano Mwangi
Grassland And Livestock Production: The East African Case, David Miano Mwangi
IGC Proceedings (1997-2023)
Grasslands cover over 26% of the world land mass and about 80% of the agricultural area. They are the source of a livelihood for about 1 million people in the developing countries. Livestock contributes 40% of the global value of agricultural outputs. Approximately 60% of rural households keep livestock. In East Africa there are a number of grasslands. The most extensive of these are the Acacia based Savanna grasslands. Others include the sudd flooded grasslands of South Sudan and the Miobo woodlands of Tanzania. More than 60% of the livestock and wildlife in this region are found on these grasslands. …
Tropical Grasslands--Trends, Perspectives And Future Prospects, Panjab Singh
Tropical Grasslands--Trends, Perspectives And Future Prospects, Panjab Singh
IGC Proceedings (1997-2023)
This paper attempts a rapid summary of the present day state of tropical grassland and livestock based production systems globally, especially in tropics, in relation to recent trends, future assessment, grassland rehabilitation and management strategies, future perspectives of grassland science and development including policy imperatives.
Soil Management And Nitrogen Dynamics In Burley Tobacco Rotations, Congming Zou
Soil Management And Nitrogen Dynamics In Burley Tobacco Rotations, Congming Zou
Theses and Dissertations--Plant and Soil Sciences
Agronomic practices, including tillage, crop rotation and N fertilization, have been developed to efficiently manage soil N dynamics and crop N nutrition. These practices can affect soil organic carbon (SOC) and soil total nitrogen (STN) sequestration, and consequently influence soil nitrogen mineralization (SNM) and crop N nutrition. However, little research has been systematically and simultaneously conducted to examine the effect of agronomic management on (1) SOC and STN stocks; (2) SNM; and (3) crop N nutrition. Burley tobacco (Nicotiana tobacum L.) is a N demanding crop and subject to inefficiency in N fertilization. Moreover, conservation tillage and rotation have been …