APA (7th ed.) Citation
Nayakakorala, H., & Hemakumara, H. (1991). Effect of length of land preparation period on water use, weed growth and grain yield of lowland broadcast rice.
Chicago Style (17th ed.) Citation
Nayakakorala, H.B, and H.M Hemakumara. Effect of Length of Land Preparation Period on Water Use, Weed Growth and Grain Yield of Lowland Broadcast Rice. 1991.
MLA (9th ed.) Citation
Nayakakorala, H.B, and H.M Hemakumara. Effect of Length of Land Preparation Period on Water Use, Weed Growth and Grain Yield of Lowland Broadcast Rice. 1991.
Warning: These citations may not always be 100% accurate.