منابع مشابه
Regenerative agriculture: merging farming and natural resource conservation profitably
Most cropland in the United States is characterized by large monocultures, whose productivity is maintained through a strong reliance on costly tillage, external fertilizers, and pesticides (Schipanski et al., 2016). Despite this, farmers have developed a regenerative model of farm production that promotes soil health and biodiversity, while producing nutrient-dense farm products profitably. Li...
متن کاملPacific Agriculture and Natural Resources
Coffee can be cultivated under various management schemes from heavy shade to full sun. Higher yields are generally achieved in full sun but often at the expense of smaller beans and greater requirements for water and nutrients. We compared growth, yield, bean size, and total value in a coffee agroecosystem in Hawaii grown in full sun or at two shade levels (30 and 50%) under Leucaena variety K...
متن کاملPacific Agriculture and Natural Resources
There is a need to select high quality forage legumes that are acid soil-tolerant, drought resistant, and persistent under the close defoliation associated with intensive pasture systems in the humid tropics. A greenhouse pot study was conducted to determine forage legume seedling growth (10 week-old) and regrowth (5 weeks after clipping to an 8-cm residual stubble) responses of ‘Amarillo’ pere...
متن کاملRedefining “Natural” in Agriculture
Book Review/Science in the Media T he place of genetically modified crops in sustainable agriculture has been the subject of heated debate for decades. A new book takes an innovative approach to this debate by presenting the perspectives of an unlikely pair of co-authors [1]. Pam Ronald is a plant molecular biologist, genetic engineer, and supporter of genetically engineering crops for the bene...
متن کاملKnowledge-Based Systems in Agriculture and Natural Resource Management - Workshop Report
integration of knowledge-based systems with conventional computer techniques in agriculture and natural resource management (NRM) was held 18–19 August 1989 in Detroit, Michigan, in conjunction with the Tenth International Joint Conference on Artificial Intelligence. The workshop drew scientists from the United States and Canada, working in disciplines from engineering to entomology in universi...
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ژورنال
عنوان ژورنال: American Journal of Agricultural Economics
سال: 1982
ISSN: 0002-9092,1467-8276
DOI: 10.2307/1240740