1. Significance of Land Reclamation 2. Evaluation of Possible Expansion of Arable Lands 3. Peculiarities and Principles of Efficiency Evaluation 4. History of the Question 5. Expenses for Construction of Reclamation Systems and Land Development 6. Running Costs. Income 7. Methods of Economic Efficiency Evaluation 7.1 Traditional Methods 7.2 Discounting methods. 7.3 Uncertainty and Risk Calculat...

A griculture is the dominant sector in the Gambian economy, employing about 70% of the total work force and contributing, on average, 33% of GDP. It produces about 50% of the national food supplies with only about 60% of the country’s total arable land resources currently being utilized. The sector generates approximately 40% foreign exchange earnings and provides two-thirds of total household ...

Agriculture, the main sector of the Ethiopian economy, accounts for 85% of total employment and is the backbone and mainstay of the economy (Pausewang et al., 1990). However, agricultural productivity is decreasing because of land degradation, particularly due to soil erosion. Hurni (1988) estimated that the extent of erosion from arable land in the highlands of Ethiopia averaged 42 tons/ha/yr....

Exemplifed by the “Neetzower Agrarhof Peenetal Ltd.”, a farmstead with arable ground of 1.740 hectares (approx. 4.350 acres), the status and extend of application of modern information and communication technologies in an agricultural large-scale enterprise is represented. Since 1998 the enterprise uses appropriate technologies for precision farming and automated process recording for significa...

1. Japan is an island with approximately 70% of land covered by mountain forests and where arable space is limited. Fishing communities are located in all coastal areas nationwide. Food resources from the ocean have historically played a significant role in the Japanese diet. Even today, around 40% of protein consumed by Japanese people comes from sea food. 2 Ensuring the long-term sustainabili...

234 A mutant form of the succinate dehydrogenase iron-sulphur protein subunit confers resistance to carboxin in the maize smut pathogen Ustilago maydis John P. R. Keon, P. L. Elaine Broomfield, Gordon A. White* and John A. Hargreaves Department of Agricultural Sciences, University of Bristol, A.F.R.C. Institute of Arable Crops Research, Long Ashton Research Station, Bristol BSI 8 9AF, U.K. and ...