Seasonal nitrification as influenced by crops and tillage.
Jensen, Charles A.
Seasonal nitrification as influenced by crops and tillage. By C. A. Jensen... - Washington, Govt. print. off., 1910. - 31 p. incl. diagrs. 23 cm. - U. S. Dept. of agriculture. Bureau of plant industry. Bulletin 173 . - United States. Bureau of Plant Industry. Bulletin ; 173. .
agr10000690
Nitrification.
S651 / .J5
Seasonal nitrification as influenced by crops and tillage. By C. A. Jensen... - Washington, Govt. print. off., 1910. - 31 p. incl. diagrs. 23 cm. - U. S. Dept. of agriculture. Bureau of plant industry. Bulletin 173 . - United States. Bureau of Plant Industry. Bulletin ; 173. .
agr10000690
Nitrification.
S651 / .J5