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Potassium fertilizers
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Phosphatic fertilizers

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1.
Phosphorus and potassium experiments on well-managed soils in south-central Minnesota
Author
Overdahl, Curtis J.
Published
[St. Paul] : Agricultural Experiment Station, University of Minnesota, 1976.
Online
v.135(1976)
Location
HathiTrust Digital Library >> Online Resource
Format
Books / Online
2.
Plant response to concentrated superphosphate and potassium chloride fertilizers. (Brassica oleracea var. capitata)
Author
Peck, N. H. (Nathan Hiram), 1923-
Published
Geneva : New York State Agricultural Experiment Station, Cornell University, 1970.
Online
Online book
Location
HathiTrust Digital Library >> Online Resource
Format
Books / Online
3.
Phosphorus and potassium fertilization in crop rotations
Author
Long, O. H.
Published
Knoxville : University of Tennessee, Agricultural Experiment Station, 1964.
Online
v.376(1964)
Location
HathiTrust Digital Library >> Online Resource
Format
Books / Online
4.
The influence on cotton production of nitrogen, phosphorus, and potassium and their combination
Author
Anthony, J. L.
Published
State College, Miss. : Mississippi Agricultural Experiment Station, 1941.
Online
no.357(1941)
Location
HathiTrust Digital Library >> Online Resource
Format
Books / Online
5.
Fertilizing materials
Author
Voorhees, Edward B. (Edward Burnett), 1856-1911
Published
[New Brunswick, N.J.] : New Jersey Agricultural College Experiment Station, 1890.
Online
v.66(1890)
Location
HathiTrust Digital Library >> Online Resource
Format
Books / Online
6.
Prices of nitrogen, phosphoric acid and potash
Author
Cook, George Hammell, 1818-1889
Published
[New Brunswick, N.J.] : New Jersey Agricultural Experiment Station, 1889.
Online
v.53(1889)
Location
HathiTrust Digital Library >> Online Resource
Format
Books / Online
7.
Prices of nitrogen, phosphoric acid and potash
Author
Cook, George Hammell, 1818-1889
Published
[New Brunswick, N.J.] : New Jersey Agricultural Experiment Station, 1888.
Online
v.1
Location
HathiTrust Digital Library >> Online Resource
Format
Books / Online
8.
Prices of nitrogen, phosphoric acid and potash
Author
Cook, George Hammell, 1818-1889
Published
[New Brunswick, N.J.] : New Jersey Agricultural Experiment Station, 1884.
Online
v.32(1884)
Location
HathiTrust Digital Library >> Online Resource
Format
Books / Online