Showing 1 - 20 results of 30 for search 'SOIL FERTILITY', query time: 1.50s Refine Results
  1. 1
    Optimizing soil and fertilizer nitrogen use by intensively managed soft red winter wheat
    by Baethgen, Walter E.
    Published 2017
    Subjects: “...Nitrogen fertilizers...”
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  2. 2
    The effect of different fertilizer treatments on the nitrogen and organic matter content of a soil when cropped to a definite rotation for a period of twenty-four years
    by Salomon, Milton
    Published 2015
    Subjects: “...Fertilizers...”
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  3. 3
    A study of trends in yields of crops grown in rotation, the residual effects of fertilizer applications, and the relationship between plant food removed and that added on Dunmore silt loam soil
    by Hawkins, Barney Stewart
    Published 2015
    Subjects: “...Fertilization of plants...”
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  4. 4
    Effects of certain fertilizer and manurial treatments on the cation exchange properties and organic matter content of dunmore silt loam
    by Rich, Charles I.
    Published 2015
    Subjects: “...Soil acidity -- Virginia -- Blacksburg...”
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  5. 5
    Surface application vs. incorporation of limestone for no-till alfalfa production
    by DiPaola, Louis George
    Published 2014
    Subjects: “...Alfalfa -- Fertilizers...”
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  6. 6
    Investigation of the principles of rapid soil tests for available potash and other plant nutrients of Virginia soils
    by Brandt, C. S.
    Published 2014
    Subjects: “...Soils -- Analysis -- Virginia...”
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  7. 7
    The recovery and behavior of fertilizer nutrients from the anaerobic digestion of poultry manure
    by Field, James Aaron
    Published 2020
    “.... The objectives of this study are to evaluate changes in the fertilizer value of poultry manure following...”
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  8. 8
    A study of the effect of intensive cropping and the use of pure chemicals on the need for so-called "minor elements" on certain soil types and the effect of natural Chilean nitrate of soda in eliminating this need
    by Phillippe, Maurice Matthew
    Published 2015
    Subjects: “...Chile saltpeter as fertilizer...”
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  9. 9
    Investigation of the principles of rapid soil tests for available potash and other plant nutrients of Virginia soils: III. selection, development and calibration of rapid chemical soil tests for available potassium, phosphorus, calcium and magnesium
    by Wolcott, A. R.
    Published 2014
    Subjects: “...Soils -- Research -- Virginia...”
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  10. 10
    Corn response to long-term application of CuSO₄, ZnSO₄ and Cu-enriched pig manure
    by Gettier, Stacy W.
    Published 2014
    Subjects: “...Soils -- Copper content...”
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  11. 11
    Dry matter estimation and potassium fertilization of intensively managed soft red winter wheat
    by Morrison, L. Teri
    Published 2014
    Subjects: “...Potassium fertilizers...”
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  12. 12
    Uptake of native and applied copper by corn and wheat as related to soil properties
    by Perera, Nimal F.
    Published 2016
    Subjects: “...Soils -- Copper content...”
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  13. 13
    Nitrogen utilization in tall fescue (Festuca arundinacea Schreb.) pastures fertilized with nitrogen or grown with alfalfa (Medicago sativa L.) or red clover (Trifolium pratense L.)
    by Absher, Karen Lynne
    Published 2014
    Subjects: “...Forage plants -- Fertilizers...”
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  14. 14
    Soil genesis on relatively young surface mined lands in southern West Virginia
    by Sweeney, Larry Ross
    Published 2017
    Subjects: “...Soil formation -- West Virginia...”
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  15. 15
    Photosynthesis and certain morphological characteristics of alfalfa as affected by potassium nutrition
    by Cooper, Raymond Bigelow
    Published 2019
    Subjects: “...Alfalfa -- Fertilizers...”
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  16. 16
    Effects of certain fertilizer and lime treatments on yield, chemical composition, and vegetative population of a pasture and on certain properties of Coeburn silt loam
    by Henry, Charles William
    Published 2015
    Subjects: “...Pastures -- Fertilizers...”
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  17. 17
    Relationships among nutrient concentrations in corn (Zea mays L.) plants and extractable soil nutrients
    by McCoy, Dennis E.
    Published 2016
    “... in plants, and to determine if B fertilization affects corn grain yields on selected Virginia soils. Fifty...”
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  18. 18
    Some physical, chemical, and biological effects of heavy poultry manure applications on a soil ecosystem
    by Weil, Ray R.
    Published 2015
    “..., 85 and 110 MT/ha/yr to field plots of Davidson clay loam soil in Virginia. Both fertilized...”
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  19. 19
    Mine soil genesis and tall fescue nutrient status as a function of overburden type and cultural amendment
    by Roberts, Jesse Allen
    Published 2019
    “...Natural soils in the Appalachian coal mining region occur on steep slopes and are often thin, rocky...”
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  20. 20
    The fate and distribution of phosphate applied to Davidson clay loam
    by Singh, Rabindar Nath
    Published 2019
    Subjects: “...Soils -- Phosphorus content...”
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