2008 journal article
Effect of planting date and nitrogen fertilization rates on no-till pumpkins
HortScience, 43(3), 857–861.
By: E. Harrelson, G. Hoyt, J. Havlin & D. Monks
2007 journal article
Effect of winter cover crop residue on no-till pumpkin yield
HortScience, 42(7), 1568–1574.