Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Barry I. Shapiro"'
Publikováno v:
Agricultural Economics. 31:335-342
The economic impact of adopting herd health programs for mastitis and reproduction by small-scale dairy producers of Central Thailand was assessed using a policy analysis matrix (PAM). Following a reduction in the incidence of bovine disease on adopt
Publikováno v:
Nutrient Cycling in Agroecosystems. 67:167-176
The Sudano–Sahelian agroecological zone is characterized by low and variable rainfall regimes and P deficiency. The present study complements previous research efforts and the objective was (i) to use the Newhall Simulation Model (NSM) to character
Autor:
Barry I. Shapiro, John H. Sanders
Publikováno v:
Journal of Crop Production. 9:559-592
SUMMARY The periodic food crises in agricultural production in semiarid sub-Saharan Africa have been the main public view of the subcontinent since the media perpetuates a Gloom and Doom perception. Actually the agricultural systems of sub-Saharan Af
Trend and stability analyses of millet yields treated with fertilizer and crop residues in the Sahel
Publikováno v:
Field Crops Research. 75:53-62
Pearl millet (Penisetum glaucum (L.) R.Br.) is a major food crop grown on impoverished sandy soils in the Sahel. A 9-year long-term study was undertaken in the Sahel to test the hypothesis that integrated use of millet crop residues retained on farm
Publikováno v:
Outlook on Agriculture. 27:157-161
This article proposes a strategy for agricultural technology development for semi-arid West Africa. The strategy evaluation consists of two aspects: a) a review of the successes in the region; and b) analysis with mathematical programming of the pote
Publikováno v:
Outlook on Agriculture. 27:81-87
Per capita consumption of milk and meat products in developing Asia (including China) grew by 2.4% and 5% respectively between 1975–79 and 1990–94. This growth can be attributed to high growth rate in income and rapid urbanization. For Latin Amer
Autor:
John H. Sanders, Barry I. Shapiro
Publikováno v:
Agricultural Systems. 56:467-482
In semiarid West Africa, inorganic fertilizer use and sustainability objectives are complementary. With increasing population pressure and low levels of purchased inputs, crop yields in many regions are declining. Moderate use of inorganic fertilizer
Autor:
Barry I. Shapiro, Steven J. Staal
Publikováno v:
Food Policy. 19:533-549
When shortages of dairy products became severe in Kenya early in 1992, prices of dairy products were de-controlled to improve the incentives to producers. The impact of that policy change is examined using the Policy Analysis Matrix (PAM) methodology
Publikováno v:
Agricultural Systems. 42:153-171
This study modeled the introduction of new early cultivars of millet and cowpea, higher cowpea densities, and various fertilization strategies. Model results were then compared with farmer behavior before and after the availability of these new techn
Publikováno v:
Advances in Integrated Soil Fertility Management in sub-Saharan Africa: Challenges and Opportunities ISBN: 9781402057595
Agriculture in the African dry lands is constrained by geographical and economic isolation due to limited market access which affect adoption of new technology. International subsidies that flood developing-world markets with cheap food, national pol
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9aa068cf0081f3a35ba966b5f3040a39
https://doi.org/10.1007/978-1-4020-5760-1_89
https://doi.org/10.1007/978-1-4020-5760-1_89