Crop diseases and how they are managed can have a large impact on agricultural productivity. This paper discusses the … effects on agricultural productivity of Verticillium dahliae, a soil borne fungus that is introduced to the soil via infested … important implications for agricultural productivity …

, and establishes empirically, that geographical variations in natural land productivity and their impact on the return to …

Agricultural productivity in Sub-Saharan Africa (SSA) lags far behind all other regions of the world. A long list of … program aims to relax multiple constraints to productivity simultaneously. We show that participation causes statistically and …

innovation will be required to preserve past productivity gains in the face of climate change, coevolving pests and diseases, and … changing technological regulations--let alone increase productivity. Great potential exists for innovation in crop and …

Why is agricultural productivity so low in poor countries relative to the rest of the world? Is it due to geography or … constrained economic choices? We assess the quantitative role of geography and land quality for agricultural productivity … geographic regions, we find that low agricultural productivity in poor countries is not due to poor land endowments. If countries …

This paper provides evidence of the long-run effects of a permanent increase in agricultural productivity on conflict … the period between 1400 and 1900 CE. For variation in permanent improvements in agricultural productivity, we exploit the …

productivity. These effects are nonlinear across farms--impacting more those farms farther away from their efficient operational … scale. The effect of land rentals on productivity is 70 percent larger when controlling for non-market rentals--those with a …