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Sustainability 2011, 3(10), 1742-1772; doi:10.3390/su3101742

Crop Breeding for Low Input Agriculture: A Sustainable Response to Feed a Growing World Population

Division of Plant & Soil Sciences, P.O. Box 6108, West Virginia University, Morgantown, WV 26506, USA
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Received: 1 July 2011 / Revised: 26 August 2011 / Accepted: 9 September 2011 / Published: 6 October 2011
(This article belongs to the Special Issue Plant Breeding for Sustainable Agriculture)
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Abstract

World population is projected to reach its maximum (~10 billion people) by the year 2050. This 45% increase of the current world population (approaching seven billion people) will boost the demand for food and raw materials. However, we live in a historical moment when supply of phosphate, water, and oil are at their peaks. Modern agriculture is fundamentally based on varieties bred for high performance under high input systems (fertilizers, water, oil, pesticides), which generally do not perform well under low-input situations. We propose a shift of research goals and plant breeding objectives from high-performance agriculture at high-energy input to those with an improved rationalization between yield and energy input. Crop breeding programs that are more focused on nutrient economy and local environmental fitness will help reduce energy demands for crop production while still providing adequate amounts of high quality food as global resources decline and population is projected to increase.
Keywords: agricultural systems; global resources; plant genetics; scarcity; sustainable agriculture agricultural systems; global resources; plant genetics; scarcity; sustainable agriculture
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This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Fess, T.L.; Kotcon, J.B.; Benedito, V.A. Crop Breeding for Low Input Agriculture: A Sustainable Response to Feed a Growing World Population. Sustainability 2011, 3, 1742-1772.

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