Agronomic Services — Cotton Tissue Sampling, slide 4 of 5

Detach petioles before leaving field.

cotton, sample with information sheet. Detach petioles from leaf
blades as soon as possible
after collecting. The more promptly petioles are removed, the more accurate the nitrate nitrogen analysis will be.

Last Update July 16, 2007

NCDA&CS Agronomic Services Division, Colleen M. Hudak-Wise, Ph.D., Director
Mailing Address: 1040 Mail Service Center, Raleigh NC 27699-1040
Physical Address: 4300 Reedy Creek Road, Raleigh NC 27607-6465
Phone: (919) 733-2655; FAX: (919) 733-2837