Kato, Edward; Ringler, Claudia; Yesuf, Mahmud; Bryan, … - International Food Policy Research Institute (IFPRI) - 2009
have very significant positive impacts on average crop yields in low-rainfall areas, only soil bunds have significant risk-reducing … insignificant risk-reducing effects in low-rainfall areas, suggesting that—as currently implemented—these interventions may not be … heterogeneity, with soil bunds being risk reducing in Oromiya and Amhara, and stone bunds, grass strips, and waterways being risk …