Abstract
Abstract Yield, color, petiole-blade ratio, and percentage of fiber and Ν were evaluated for collards (Brassica oleracea L. var. acephala), grown under field conditions. The yield, color, and Ν percentage in tops were increased as the Ν level was increased from 40 to 160 lb N/A. A split application of 80 1b. N/A at planting and 80 1b 20 days after planting gave the best yield. Best color was obtained at seeding rates of 2 or 4 1b/A. Leaf color decreased as the seeding rate increased from 2 to 8 1b/A. The petiole-blade ratio and fiber percentage were not significantly affected by the seeding rate or level and source of N. It was possible to obtain equally good yields and color with NaNO3, (NH4)2SO4, or NH4NO3.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callMore From: Journal of the American Society for Horticultural Science
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
