Browsing Washington State University Extension by Author "James, D. W. (David W.), 1929-"
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Interpretation of soil test nitrogen for irrigated crops in central Washington
Dow, A. I.; James, D. W. (David W.), 1929-; Nelson, C. E. (Carl Emil) (Pullman, Washington : Washington State University. Extension., 1979-06) -
Interpretation of soil test nitrogen for irrigated crops in central Washington
Dow, A. I.; James, D. W. (David W.), 1929-; Nelson, C. E. (Carl Emil) (Pullman, Washington : Washington State University. Extension., 1969-03) -
Phosphorus fertilization of irrigated soils in central Washington
Dow, A. I.; James, D. W. (David W.), 1929- (Pullman, Washington : Washington State University. Extension., 1970-04)