1
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Material Type: Book
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Nitrogen in agricultural systems
J. S Schepers; W. R Raun; American Society of Agronomy; Crop Science Society of America; Soil Science Society of America
Madison, Wis. American Society of Agronomy 2008
Available at
ICB - Inst. Ciências Biomédicas
(QW60 W731a 2008 ) and other locations(GetIt)
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2
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Material Type: Book
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Potassium in agriculture
Robert D Munson; American Society of Agronomy; Potash & Phosphate Institute (Atlanta, Ga.)
Madison, Wis., USA American Society of Agronomy 1985
Available at
CENA - Cent. En. Nuclear na Agricultura
(631.83 M969p 8192 ) and other locations(GetIt)
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3
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Material Type: Book
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Pasture and range research techniques
American Society of Agronomy
Ithaca, N.Y Comstock Pub. Asociates 1962
Available at
ESALQ - Biblioteca Central
(636.08422 P293 e.3 19526 ) and other locations(GetIt)
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