the purpose of agricultural irrigation and the advantages and disadvantages of mainstream methods

Irrigation is defined as the artificial application of water to the soil through various systems of tubes, pumps, and sprayers.  Approximately 20% of the world’s agricultural land is irrigated, yet 40% of the world food supply comes from irrigated lands with 70% of the world’s freshwater reserves being used for irrigation purposes.   The main …

the social basis of agro-environmental concern: physical versus social proximity

This article attempts to answer the questions, “Is environmental concern widely diffused throughout society or is it more strongly expressed by particular sub-populations? How has concern changed over time?” This was accomplished by studying the attitudes about agriculture and the environment in relation to an individual’s geographic and social distance from agriculture. They began by …