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Browsing by Subject "nutrient management"

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Browsing by Subject "nutrient management"

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  • Christmas tree nutrient management guide : western Oregon and Washington 
    Oregon State University. Extension Service; Hart, John M. (John Mervyn), 1947-; Landgren, Chal G.; Fletcher, Richard A.; Bondi, Michael C.; Whithrow-Robinson, Bradford A.; Chastagner, Gary A. (Corvallis, Or. : Extension Service, Oregon State University, 2009-09)
    "Key points: Nutrient management decisions change with stand age. Before planting, test soil for adequacy of phosphorus, potassium, calcium, magnesium, and lime. After tree height has reached 3 feet, begin a tissue sam ...
  • Grapevine nutrition 
    Oregon State University. Extension Service; Skinkis, P. (Patty); Schreiner, R. Paul (Corvallis, Or. : Extension Service, Oregon State University, 2011-06)
    This online module provides information on nutrient needs of grapevines, symptoms of deficiency and/or toxicity, and vineyard nutrient management. A section of this module explains how to diagnose non-nutrient problems s ...
  • Soil test interpretation guide 
    Oregon State University. Extension Service; Horneck, Donald Arthur; Sullivan, Dan M. (Dan Matthew), 1954-; Owen, James Stetter, 1975-; Hart, John M. (John Mervyn), 1947- ([Corvallis, Or.] : Oregon State University, Extension Service, 2011-07)
    This publication provides an overview of soil testing and general guidelines for interpreting soil test results for nitrogen, phosphorus, sulfur, potassium, calcium, magnesium, boron, zinc, copper, manganese, iron, molyb ...

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