Organic agriculture is often proposed as a more sustainable alternative to current
conventional agriculture. We assess the current understanding of the costs and benefits of …

Organic agriculture refers to a farming system that enhance soil fertility through maximizing
the efficient use of local resources, while foregoing the use of agrochemicals, the use of …

A key issue in the debate on the contribution of organic agriculture to the future of world
agriculture is whether organic agriculture can produce sufficient food to feed the world …

Consultants, farm advisors, resource conservationists, and other land managers may benefit
from decision tools that help identify the most sustainable management practices. Indices of …

Erosion rates and annual soil loss tolerance (T) values in evaluations of soil management
practices have served as focal points for soil quality (SQ) research and assessment …

Environmental problems related to the use of synthetic fertilizers and to organic waste
management have led to increased interest in the use of organic materials as an alternative …

Referee: Dr. William Lockeretz, Professor, School of Nutrition Science and Policy, Tufts
University, Medford, MA 12155 Given the significant increase in consumer interest in organic …

Sustained high rates of growth in sales of certified organic products (OPs) in the US and
worldwide, averaging 20–25% yr− 1 since 1990, have spurred concomitant growth and …

Consumer demand regarding the impacts of conventional agriculture on the environment
and human health have spurred the growth of organic farming systems; however, organic …

Soil microplots were amended with organic materials of varying nature and complexity but
providing similar amounts of carbon. Materials were either placed on the soil surface or …