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Origin and Development of Agriculture in New Guinea, Island Melanesia and Polynesia  

Tim Denham

Online publication date:
Aug 2018
Early agricultural and arboricultural practices in the Pacific are based on vegetative principles, namely, the asexual propagation and transplantation of plants. A vegetative orientation ... More

History of Agriculture in the United States  

Pamela Riney-Kehrberg

Online publication date:
Aug 2018
Agriculture is at the very center of the human enterprise; its trappings are in evidence all around, yet the agricultural past is an exceptionally distant place from modern America. While ... More

An Image Reconnaissance: Agricultural Patterns and Related Environmental Impacts Viewed From Space  

Richard W. Hazlett and Joshua Peck

Online publication date:
Aug 2018
Satellite reconnaissance of the Earth’s surface provides critical information about the state of human interaction with the natural environment. The strongest impact is agricultural, ... More

CAFOs: Farm Animals and Industrialized Livestock Production  

James M. MacDonald

Online publication date:
Jul 2018
Industrialized livestock production can be characterized by five key attributes: confinement feeding of animals, separation of feed and livestock production, specialization, large size, ... More

Early History of Animal Domestication in Southwest Asia  

Benjamin S. Arbuckle

The domestication of livestock animals has long been recognized as one of the most important and influential events in human prehistory and has been the subject of scholarly inquiry for ... More

Surface Irrigation  

Luis S. Pereira and José M. Gonçalves

Online publication date:
Feb 2018
Surface irrigation is the oldest and most widely used irrigation method, more than 83% of the world’s irrigated area. It comprises traditional systems, developed over millennia, and modern ... More

The Role of Cover Crops in Agriculture and Their Environmental Significance  

Helena Aronsson

Growing a cover crop between main crops imitates natural ecosystems where the soil is continuously covered with vegetation. This is an important management practice in preserving soil ... More

Environmental Impacts of Tropical Soybean and Palm Oil Crops  

Kimberly M. Carlson and Rachael D. Garrett

Oil crops play a critical role in global food and energy systems. Since these crops have high oil content, they provide cooking oils for human consumption, biofuels for energy, feed for ... More

Agricultural Practices and Environmental Impacts of Aztec and Pre-Aztec Central Mexico  

Deborah L. Nichols

Online publication date:
Feb 2018
The Basin of Mexico is a key world region for understanding agricultural intensification and the development of ancient and historic cities and states. Archaeologists working in the region ... More

Agricultural Methanogenesis  

Alexander N. Hristov

Online publication date:
Feb 2018
Agriculture is a significant source of methane, contributing about 12% of the global anthropogenic methane emissions. Major sources of methane from agricultural activities are fermentation ... More

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