APA (7th ed.) Citation

Haruna, A. O., & Maru, A. (2017). Using biochar and urea to improve rice production on tropical acid soils. Universiti Putra Malaysia Press.

Chicago Style (17th ed.) Citation

Haruna, Ahmed Osumanu, and Ali Maru. Using Biochar and Urea to Improve Rice Production on Tropical Acid Soils. Universiti Putra Malaysia Press, 2017.

MLA (9th ed.) Citation

Haruna, Ahmed Osumanu, and Ali Maru. Using Biochar and Urea to Improve Rice Production on Tropical Acid Soils. Universiti Putra Malaysia Press, 2017.

Warning: These citations may not always be 100% accurate.