Showing 1 - 10 of 28
This study applied a broad continuum of risk analysis methods including mean-variance and coefficient of variation (CV) statistical criteria, second-degree stochastic dominance (SSD), stochastic dominance with respect to a function (SDRF), and stochastic efficiency with respect to a function...
Persistent link: https://www.econbiz.de/10009203562
Agriculture in Africa is not sustainable because average yields have been stagnating for decades due to underinvestment, especially in the development of agricultural markets, crop improvement and the sustainable management of agricultural systems. Low public sector funding for agricultural...
Persistent link: https://www.econbiz.de/10009203570
Increasing concerns about global environmental change and food security have focused attention on the need for environmentally sustainable agriculture. This is agriculture that makes efficient use of natural resources and does not degrade the environmental systems that underpin it, or deplete...
Persistent link: https://www.econbiz.de/10010678506
The development of genetically engineered (GE) crops has focused predominantly on enhancing conventional pest control approaches. Scientific assessments show that these GE crops generally deliver significant economic and some environmental benefits over their conventional crop alternatives....
Persistent link: https://www.econbiz.de/10009147511
Stand-alone environmental indicators based on life cycle assessment (LCA), such as the carbon footprint and water footprint, are becoming increasingly popular as a means of directing sustainable production and consumption. However, individually, these metrics violate the principle of LCA known...
Persistent link: https://www.econbiz.de/10009386674
In this review, we present the recent developments and future prospects of improving nitrogen use efficiency (NUE) in crops using various complementary approaches. These include conventional breeding and molecular genetics, in addition to alternative farming techniques based on no-till...
Persistent link: https://www.econbiz.de/10009295102
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,...
Persistent link: https://www.econbiz.de/10009320188
The global future lies before us as a highly uncertain and contested landscape with numerous perils along the way. This study explores possible pathways to sustainability by considering in quantitative detail four contrasting scenarios for the twenty-first century. The analysis reveals vividly...
Persistent link: https://www.econbiz.de/10008683036
This paper investigates the political economy of the development of sustainable agriculture programs and initiatives in the United States. Sustainable agriculture emerged as part of a growing critique of the negative environmental consequences of unquestioned modern farming methods. The...
Persistent link: https://www.econbiz.de/10008683071
This study was conducted to investigate use of renewable energy and materials in smallholder farming system of the Tafresh township of Iran. The population of the study consisted of 2,400 small farmers working in the smallholder farming systems of the area, in which 133 people were selected as...
Persistent link: https://www.econbiz.de/10008683146