Cassava in Tropical Africa

Cassava in Tropical Africa
Author: International Institute of Tropical Agriculture
Publisher: IITA
Total Pages: 184
Release: 1990
Genre: Cassava
ISBN: 9781310413

Intended as both an instructional and a reference tool, the volume covers the production and postharvest treatment of cassava. The first part describes production constraints including pests , diseases, weeds, soils agronomic factors, and socioeconomic considerations. In part two, plant morphology, plant physiology and plant breeding are related to yields and diseases resistance. Part three covers postharvest treatment and part four describes cassava research. A bibliography of recommended reading is included.

Cassava

Cassava
Author: Felix I. Nweke
Publisher: IITA
Total Pages: 93
Release: 1996
Genre: Cassava
ISBN: 9781311037

Introduction; The smallholder socioeconomic environment; Cassava production with purchased inputs; Cassava production response to use of purchased inputs; Production for sale; Household cash income generation; Impact of high-yielding varieties on cassava cash income; Summary of observations and conclusion.

Cover Crops in West Africa

Cover Crops in West Africa
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

Crop Variety Improvement and Its Effect on Productivity

Crop Variety Improvement and Its Effect on Productivity
Author: Robert Eugene Evenson
Publisher: CABI
Total Pages: 522
Release: 2003
Genre: Business & Economics
ISBN: 9780851995496

This volume reports the findings of a study of the productivity impact of varietal improvement research conducted at a number of international centers affiliated with the Consultative Group on International Agricultural Research. Such centers have been at the forefront of the "Green Revolution" that resulted in the breeding of new crop varieties of the world's staple food crops. Econometric models are used to evaluate the investment in these cases of agricultural research and to analyze impact in selected countries.

IITA Research 5

IITA Research 5
Author: International Institute of Tropical Agriculture
Publisher: IITA
Total Pages: 28
Release:
Genre:
ISBN:

Crop Improvement, Adoption and Impact of Improved Varieties in Food Crops in Sub-Saharan Africa

Crop Improvement, Adoption and Impact of Improved Varieties in Food Crops in Sub-Saharan Africa
Author: Thomas S. Walker
Publisher: CABI
Total Pages: 480
Release: 2015-10-26
Genre: Science
ISBN: 1780644019

Following on from the CGIAR study by Evenson and Gollin (published by CABI in 2003), this volume provides up-to-date estimates of adoption outcomes and productivity impacts of crop variety improvement research in sub-Saharan Africa. The book reports on the results of the DIIVA Project that focussed on the varietal generation, adoption and impact for 20 food crops in 30 countries. It also compares adoption outcomes in sub-Saharan Africa to those in South Asia, and guides future efforts for global agricultural research

Improved Crop Productivity for Africa’s Drylands

Improved Crop Productivity for Africa’s Drylands
Author: Tom Walker
Publisher: World Bank Publications
Total Pages: 227
Release: 2016-08-17
Genre: Business & Economics
ISBN: 146480897X

More than 200 million people living in dryland regions of Sub-Saharan Africa make their living from agriculture. Most are exposed to weather shocks, especially drought, that can decimate their incomes, destroy their assets, and plunge them into a poverty trap from which it is diffi cult to emerge. Their lack of resilience in the face of these shocks can be attributed in large part to the poor performance of agriculture on which their livelihood depends. Opportunities exist to improve the fortunes of farming households in the drylands. Improved farming technologies that can increase and stabilize the production of millet, sorghum, maize, and other leading staples are available. Irrigation is technically and economically feasible in some areas and offers additional opportunities to increase and stabilize crop production, especially small-scale irrigation, which tends to be more affordable and easier to manage. Yet many of these opportunities have not been exploited on a large scale, for reasons that include lack of farmer knowledge, nonavailability of inputs, unfavorable price incentives, high levels of production risk, and high cost. Future production growth in drylands agriculture is expected to come mainly from raising yields and increasing the number of crop rotations on land that is already being cultivated (intensifi cation), rather than from bringing new land into cultivation (extensifi cation). Controlling for rainfall, average yields in rainfed cropping systems in Sub-Saharan Africa are still much lower than yields in rainfed cropping systems in other regions, suggesting that there is considerable scope to intensify production in these systems. Furthermore, unlike in other regions, production of low-value cereals under irrigation is generally not economic in Sub-Saharan Africa unless the cereals can be grown in rotation with one or more high-value cash crops. The long-run strategy for drylands agriculture, therefore, must be to promote production of staples in rainfed systems and production of high-value cereals (for example, rice), horticultural cops, and industrial crops in irrigated systems. Based on a detailed review of currently available technologies, Improved Crop Productivity for Africa’s Drylands argues that improving the productivity and stability of agriculture in the drylands has the potential to make a signifi cant contribution to reducing vulnerability and increasing resilience. At the same time, it is important to keep in mind that in an environment characterized by limited agro-climatic potential and subject to repeated shocks, farming on small land holdings may not generate suffi cient income to bring people out of poverty.