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The effect of anhydrous ammonia on soil
(1979-02-19)
1971 Soil Plant Nutrient Research Report
(Department of Soil Science, University of Saskatchewan, Saskatoon, SK, 1972-05-01)
1969 Soil Plant Nutrient Research Report
(Department of Soil Science, University of Saskatchewan, Saskatoon, SK, 1970-03-01)
1976 Soil Plant Nutrient Research Report
(Department of Soil Science, University of Saskatchewan, Saskatoon, SK, 1977-03-01)