Low soil fertility is a major concern in agricultural productivity and development policy discourse in sub-saharan Africa. The problem is exacerbated by government withdrawal from fertilizer input markets and the inability of private sector operators to fill the gap. This warranted a search for...

This paper proposes and applies an innovative estimation approach for farm group programming models using Generalised Maximum Entropy. The proposed set-up simultaneously determines calibrating cost function parameters and input allocations to production activities. The methodology is applied to...

This study investigates the optimal agricultural land use allocation and nitrogen application to arepresentative Japanese farm. The site-specific nature of numerous agri-environmental issues necessitates analysis ata disaggregated level in order to capture the underlying heterogeneity of...

Nitrate pollution from agriculture is an important environmental problem, caused bythe excessive use of inorganic fertilizers. The internalization of this externality, via a tax onmineral nitrogen, could lead to a second best solution, reducing nitrate emissions. Severalauthors suggest that a...

With declining Irish potato production trends in Kenya this paper identifies and analyses factors that influence the economic efficiency of smallholder Irish potato producers in Kenya by drawing on data from random sample of 130 smallholder farmers from Nyandarua North district. A dual...

The aims of our paper are to identify economic determinants of theon-farm cultivars diversity and to empirically characterize the farmers'diversi…cation choices. We focus on the private decision making processinvolving the choice of rice cultivars and the corresponding allocation offarmland....

This study was intended to develop an understanding of producer preference for land-based carbon sequestration in agriculture. We conducted a mail survey to elicit producer choice to provide marketable carbon offsets by participating in different carbon credit programs characterized by varying...

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The decrease in the area of arable land has further continued in the European Union (EU) since the Millennium. Sustainable development is partially based on the sustainable use of natural resources, which is based on the limitation of land use and on the introduction of different incentives....

Though Zambia has considerable agricultural potential, the sector’s contribution to growth and poverty reduction has been limited. The sector remains one of the most important employers of labour and remains the main source of livelihood for most rural households in Zambia. Thus key...