Agronomy principles & practice [Videograbación] /
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Formato: | Texto biblioteca |
Idioma: | d |
Publicado: |
Iowa : Iowa State University Media Resources Center,
1994
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Materias: | AGRICULTURE-RESEARCH-IOWA, CROP SCIENCE, TECHNOLOGICAL INNOVATIONS, AGRICULTURAL INNOVATIONS, AGRICULTURAL ENGINEERING, GRAIN-HARVESTING, GRAIN-STORAGE, PLANT DISEASES, FIELD CROPS-DISEASES AND PESTS-CONTROL, INSECT PESTS-CONTROL, SOILS, WATER, WEEDS-CONTROL, |
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