Browsing by Subject "Engineering, Agricultural."
Now showing items 1-2 of 2
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Land application of sewage sludge in agricultural land in Nigeria with special reference to Enugu.
(1982)Comparison of the costs of producing some Nigerian agricultural crops by using sewage sludge and commercial fertilizer showed that sewage sludge is 14 and 33 times less expensive than commercial fertilizer using sludge ... -
Plumbing the prairies: water management in the agricultural Midwest, 1850-1920
(2023-05-12)This dissertation examines the use of state authority to manage natural resources and how the application of that authority changed over time. Between 1850 and 1920, Iowans interacted with the state’s prairie environment ...