Showing 1 - 20 results of 311 for search '', query time: 0.20s Refine Results
  1. 1
    On farm yield constraints study kharif, 1980 : yield constraints research in Pakistan.
    Published 1981
    Book
  2. 2
    Soil erosion and crop productivity /
    Published 1985
    Book
  3. 3
    Yield formation in the main field crops /
    by Petr, J. (Jiří)
    Published 1988
    Book
  4. 4
    Fertilizers, crop quality and economy : proceedings of a Study Week on the Use of Fertilizers and their Effect on Crop Growth, with Emphasis on Quality and Economy, April 10th-16th, 1972 /
    Published 1974
    Conference Proceeding Book
  5. 5
    A study of sorghum diseases in Honduras, their importance under different cropping systems, and strategies for their control /
    by Wall, George Clayton, 1946-
    Published 1986
    Link to ProQuest copy
    Link to OAKTrust copy
    Thesis Book
  6. 6
    Agricultural ecology.
    by Azzi, Girolamo
    Published 1956
    Book
  7. 7
    Grain yields and the American food supply ; an analysis of yield changes and possibilities /
    Book
  8. 8
    Trattato di ecologia agraria ; l'ambiente fisico e la produzione agraria.
    by Azzi, Girolamo
    Published 1939
    Book
  9. 9
    Nitrogen and carbon metabolism : proceedings of a symposium on the Physiology and Biochemistry of Plant Productivity, held in Calgary, Canada, July 14-17, 1980 /
    Published 1981
    Conference Proceeding Book
  10. 10
    American agriculture in 1980 under a fertilizer allocation system /
    by Thomas, Dennis L.
    Published 1977
    Book
  11. 11
    Yield increasing methods of rice cultivation and economic development : final technical report.
    Published 1970
    Book
  12. 12
    New seeds : adoption and yield /
    Published 1979
    Book
  13. 13
    Small grain variety tests.
    Serial
  14. 14
    Crop productivity and solar energy utilization in various climates in Japan /
    Published 1975
    Book
  15. 15
    Mean yield prediction when predictor variables are subject to error /
    by Booker, Jane Broadt
    Published 1978
    Link to ProQuest copy
    Link to OAKTrust copy
    Thesis Book
  16. 16
    Fundamentals of agronomy, compendium of crop ecology /
    by Papadakis, Juan
    Published 1970
    Book
  17. 17
    Photosynthesis, respiration, and carbohydrate accumulation in spring wheat in relation to yield.
    by Stoy, Volkmar
    Published 1965
    Book
  18. 18
    Simulation of field water use and crop yield /
    by Feddes, R. A.
    Published 1978
    Book
  19. 19
    A compendium of experimental data for corn, wheat, cotton and sugar beets grown at selected sites in the western United States : and alternative production functions fitted to these data /
    by Hexem, Roger W.
    Published 1974
    Book
  20. 20
    Winchester yields ; a study in Medieval agricultural productivity /
    by Titow, J. Z.
    Published 1972
    Book
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