fleeting
发表于 2025-3-28 16:39:38
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一大块
发表于 2025-3-28 21:19:25
https://doi.org/10.1007/978-94-007-5760-8Green Revolution; Potential for productivity growth; Small farmers; Sub-Saharan Africa; Transferability
暗讽
发表于 2025-3-29 00:28:30
978-94-017-8368-2The International Bank for Reconstruction and Development / The World Bank 2013
无法取消
发表于 2025-3-29 05:54:26
Icterus gravis — die akute Leberatrophiece is even greater in the poorest countries. Yet its performance in recent decades has been one of the worst in the world. Africa has some of the lowest levels of land and labor productivity and these have barely changed in 30 years. And, while it might appear obvious that accelerating agricultural
思想
发表于 2025-3-29 10:16:21
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痛打
发表于 2025-3-29 14:15:37
Energiewirtschaft in der Lederindustrie,production and consumption has been growing in SSA. Therefore, national and international attention now centers on how to increase rice production in SSA as an important component of the region’s strategies on food security. One possible strategy to achieve this goal is to take an Asian-style approa
偏狂症
发表于 2025-3-29 16:41:29
Energiewirtschaft in der Lederindustrie,t impact on agricultural production. To date, most of the empirical studies on how agro-climatic factors affect agricultural productivity have focused on developed countries. The purpose of this study is to demonstrate that the impacts of climatic factors on cereal yields have been mitigated during
新鲜
发表于 2025-3-29 20:11:56
Gegenstand und Fragestellungen,The major reasons why SSA has failed to realize a Green Revolution are considered to be its unfavorable, dry and diverse climate. The purpose of this study is to assess the impacts of climate, as well as population pressure on the agricultural crop yields in SSA from the late 1960s to the early 2000
高射炮
发表于 2025-3-30 01:00:30
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Gossamer
发表于 2025-3-30 07:23:26
Untersuchungsdesign und Methoden,mports. Also important is resistance to drought and other climatic risks in rice farming in West Africa where precipitation is low and uncertain. The improved drought-resistant upland rice varieties, NERICAs, were introduced to rice farming system in Côte d’Ivoire, Guinea, Gambia and Benin from the