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Dead poultry composter project : David Boyd Composter (1994)
(University of Missouri Extension, 1994)
Nitrogen in the environment : essential plant nutrients
(University of Missouri. Extension Division, 1993)
"Carbon, oxygen and hydrogen are among the most basic elements necessary for plant growth. Plants obtain these elements from water and carbon dioxide in the air and soil. Plants also require additional "mineral elements" that they obtain from...
Publications, University of Missouri Extension, 1997-01
(University of Missouri--Columbia. Extension Division, 1997)