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Showing 106 to 120 of 414 results Save | Export
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Atchison, Joseph E. – Science, 1976
Descriptors: Agricultural Research Projects, Agronomy, Economic Research, Natural Resources
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Rodale, Robert – Futurist, 1983
Conventional farming methods attempt to dominate nature. This approach is leading farmers toward self-destruction. If farmers use regenerative agriculture, farming would change from a battle against nature into the art of encouraging nature to release the most benefits for human use with the least possible effort. (AM)
Descriptors: Agricultural Production, Agricultural Trends, Agronomy, Depleted Resources
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Sanchez de Puerta, F. – European Journal of Agricultural Education and Extension, 1994
Chayanov's ideas on rural development (farmer participation in agricultural evolution, increasing the scope and differentiation of extension activities, and using methods adapted to farmers' characteristics) could be usefully applied today in reforming Russian agriculture. (SK)
Descriptors: Agronomy, Educational History, Extension Education, Farmers
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Owens, D. S.; Johnson, G. V. – Journal of Natural Resources and Life Sciences Education, 1996
Describes an exercise developed to demonstrate the degree to which nitrogen, phosphorus, and potassium fertilizers move through different soils. The results support the common practices of broadcasting nitrogen fertilizer and banding phosphorus and potassium fertilizers. (DDR)
Descriptors: Agronomy, Chemical Analysis, Demonstrations (Science), Fertilizers
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Murdock, Edward C.; York, Alan C. – Journal of Natural Resources and Life Sciences Education, 1996
Describes the changes in the roles of the Cooperative Extension Service and extension specialists affiliated with universities. Reports the results of survey research and concludes that extension specialists should actively pursue the opportunity to direct graduate students. Contains 16 references. (DDR)
Descriptors: Agronomy, Botany, Entomology, Extension Agents
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Himes, F. L. – Science Teacher, 1972
Descriptors: Agronomy, Earth Science, Field Studies, Laboratory Techniques
Brownell, L. E. – Sci Teacher, 1970
Discusses some possible solutions to the problem of hunger and malnutrition in the world. Suggested new approaches include (1) new cereal food products, (2) water plants as food sources, and (3) the use of microorganisms as a source of high protein materials. (LC)
Descriptors: Agronomy, Dietetics, Field Crops, Food
Sci Teacher, 1970
Descriptors: Agronomy, Environmental Influences, Field Crops, Light
Hereda, Diana; Fieldhouse, Donald J. – Sci Teacher, 1970
Descriptors: Agronomy, Biochemistry, Laboratory Experiments, Plant Growth
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Guertal, E. A.; Hattey, J. A. – Journal of Natural Resources and Life Sciences Education, 1996
Describes a project that developed a scale model of cation exchange that can be used for a classroom demonstration. The model uses kaolinite clay, nails, plywood, and foam balls to enable students to gain a better understanding of the exchange complex of soil clays. (DDR)
Descriptors: Agronomy, Chemical Analysis, Chemical Reactions, Demonstrations (Science)
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Agbaje, Kehinde Aderemi Ajaiyeoba; Martin, Robert A.; Williams, David L. – Journal of Agricultural Education, 2001
Responses from 298 of 600 secondary agriculture teachers in north central United States revealed limited impact of sustainable agriculture. Most teachers had neutral perceptions; a moderate number taught it, but not from a systems perspective. However, related agronomy topics were taught, providing a possible foundation for future inclusion of…
Descriptors: Agricultural Education, Agronomy, Secondary Education, Secondary School Curriculum
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Coldwell, Bernadette A. – Journal of Chemical Education, 2006
The soil science and soil chemistry is incorporated into teaching materials for earth day and beyond. It revealed some of the chemical properties of the soil through color and texture and the chemical processes relevant to soils abound, including the carbon and nitrogen cycles in the soil, acidification of soils through acid deposition, leaching…
Descriptors: Soil Science, Chemistry, Environmental Education, Science Instruction
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Vidal, M. M.; Filipe, Olga M. S.; Costa, M. C. Cruz – Journal of Chemical Education, 2006
An experiment was performed on polymeric-based controlled-release agrochemicals that minimize leaching into groundwater while maintaining an adequate quantity for the desired agrochemical benefits. Gelatin gel containing inorganic Phosphorous provides controlled-release of an agrochemical where release curves show a linear relationship between…
Descriptors: Organic Chemistry, Science Experiments, Environment, Agronomy
1978
This bibliography presents a compilation of Agriculture and Agronomy doctoral research for the years 1973-1976. Each of the 3,386 doctoral dissertations cited herein has been accepted by accredited degree-granting universities in North America and published by University Microfilms International (UMI). Dissertations are arranged alphabetically in…
Descriptors: Agriculture, Agronomy, Bibliographies, Catalogs
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Yarwood, C. E. – Science, 1970
Descriptors: Agriculture, Agronomy, Disease Control, Diseases
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