Root Interactions And Evaluation Of Agroforestry And Intercropping Systems In Benin West Africa
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Author | : Sigmund Johannes Lose |
Publisher | : |
Total Pages | : 260 |
Release | : 2003 |
Genre | : Agroforestry |
ISBN | : |
About the book In West Africa, traditional smallholder fallow systems urgently need sustainable intensification while maintaining soil fertility. Agroforestry systems were propagated to attain these targets. Earlier work, however, had not shown the expected positive effects on yield of the interplanted staple crops due to shading as well as root competition for nutrients and water. From 1995 until 1999, within the frame of the special research programme 308 (1985-1999) "Adapted farming in West Africa" of the University of Hohenheim, root studies were carried out in Southern Benin using the profile wall method for direct root observation and destructive soil monolith sampling. To estimate sustainability of the various treatments, i.e. fertilised, annual and perennial alley cropping in comparison to local practice, and production systems, i.e. maize-cassava intercropping, cassava sole-cropping as well as alley vs. block arrangement of perennial leguminous trees, yield trends were calculated for the three central trial sites at different edapho-climatical ecozones. Additionally, to quantify the complex interactions in agroforestry as well as in intercropping systems, data were used in system process modelling to give quantification of sustainable land management.
Author | : International Development Research Centre (Canada) |
Publisher | : IDRC |
Total Pages | : 319 |
Release | : 1998 |
Genre | : Cover crops |
ISBN | : 088936852X |
Cover Crops in West Africa Contributing to Sustainable Agriculture
Author | : Jürgen Anthofer |
Publisher | : |
Total Pages | : 312 |
Release | : 2005 |
Genre | : Cropping systems |
ISBN | : |
Author | : Paul Shaba Marley |
Publisher | : |
Total Pages | : 108 |
Release | : 2004 |
Genre | : Sorghum |
ISBN | : |
Diseases constitute serious biotic constraints to sorghum production within West and Central Africa (WCA). Many of the diseases incited by fungi, bacteria, viruses and nematodes cause significant and economic losses. Further, sorghum production is constrained by water and nutrient stresses. This book describes the various biotic and abiotic constraints limiting sorghum production within WCA. Drawing heavily on research and development activities within the region, the book concentrates on the causal organisms identified, symptoms produced on sorghum and control measures. Various possibilities used in the control of all the diseases are described such as host plant resistance, cultural practices such as sanitation and planting date, and fungicidal use in seed treatment. A chapter of this book focuses on Striga hermonthica, a major root parasite of sorghum and other cereals in West and Central Africa. Methods involved in its control are described and novel approaches e.g. biological control that has recently received significant attention within the sub-region is highlighted. Further, extension approaches to Striga control are discussed. The book intends to contribute to a more meaningful and practical approach to research, development and control of diseases on sorghum in West and Central Africa.
Author | : Abuelgasim Eltayeb Mohamed Elzein |
Publisher | : |
Total Pages | : 198 |
Release | : 2003 |
Genre | : Crops |
ISBN | : |
Storage conditions for long shelf-life of Foxy 2 "Pesta" products were optimized as well
Author | : Stefan Keller |
Publisher | : |
Total Pages | : 176 |
Release | : 2003 |
Genre | : Cropping systems |
ISBN | : |
Author | : Nadjia Zermane |
Publisher | : |
Total Pages | : 188 |
Release | : 2005 |
Genre | : Broomrapes |
ISBN | : |
Author | : Joint FAO/IAEA Division of Nuclear Techniques in Food and Agriculture |
Publisher | : |
Total Pages | : 0 |
Release | : 2008 |
Genre | : Business & Economics |
ISBN | : 9789201109088 |
Soil and water management is the key to sustainable crop production and food security. This book contains contributions from participants of an IAEA coordinated research program on the use of nuclear techniques for developing integrated nutrient and water management practices for agroforestry systems.
Author | : Marc Sporleder |
Publisher | : |
Total Pages | : 216 |
Release | : 2003 |
Genre | : Potato tuberworm |
ISBN | : |
The potato tuber moth Phthorimaea operculella (Lepidoptera: Gelechiidae) is the most important pest in potato production in the tropics and subtropics. Faced with serious and increasing problems due to the extensive use of chemical pesticides to control this pest, safer alternatives such as the use of entomopathogens are of growing interest. The research presented here focus on the efficient integration of the endemic granulovirus infecting the potato tuber moth (PoGV) as biopesticide into IPM strategies. The investigations include basic research on the granulovirus-host interaction and ecology which allows a comprehensive understanding of the system and how the system is influenced by environmental factors, and applied research to improve the virus mass propagation technique and the UV-stability of the virus. The results presented allow differentiation between conditions occurring in different agroecological regions for appropriate management of the virus.
Author | : Louise E. Buck |
Publisher | : CRC Press |
Total Pages | : 434 |
Release | : 1998-12-28 |
Genre | : Technology & Engineering |
ISBN | : 9781420049473 |
Agroforestry in Sustainable Agricultural Systems examines the environmental and social conditions that affect the roles and performance of trees in field- and forest-based agricultural production systems. Various types of ecological settings for agroforestry are analyzed within temperate and tropical regions. The roles of soil, water, light, nutrient and pest management in mixed, annual, woody perennial and livestock systems are discussed. Important new case studies from around the world offer innovative strategies that have been used successfully in raising forests and tree products on a sustainable basis for commercial harvesting and for providing other environmental services in land conservation and watershed management.