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200 different 4-H projects. Community 4-H clubs for youth ages 9-19 Activities and clubs for youth ...
CFAES Publications Office at extensionpubs.osu.edu. Search for bulletin #919. What is the proper spacing ...
Michigan: ASAE. 701P0006, Pp. 189-192. Dawn A. Farver and Andy Ward. 2003. Using Biological Assessment ...