impaction
- You have accessRestricted accessA “seed gun” for high throughput percussion scarification of New Mexico locust: a model for hard-seeded speciesJohn G Mexal, Jon Hawthorne, Sharon Martinez, April Ulery and Anne WagnerNative Plants Journal, March 2015, 16 (1) 13-18; DOI: https://doi.org/10.3368/npj.16.1.13John G Mexal, Distinguished Professor Emeritus, Plant and Environmental Sciences Department, PO Box 30003, New Mexico State University, Las Cruces, NM 88003-8003,Jon Hawthorne, Graduate Research Assistant, Plant and Environmental Sciences Department, PO Box 30003, New Mexico State University, Las Cruces, NM 88003-8003Sharon Martinez, Undergraduate Research Assistant, Plant and Environmental Sciences Department, PO Box 30003, New Mexico State University, Las Cruces, NM 88003-8003April Ulery, Professor and Exemplary Teaching Professor, Plant and Environmental Sciences Department, PO Box 30003, New Mexico State University, Las Cruces, NM 88003-8003Anne Wagner, Team Manager, Chevron Energy Technology Company, Chevron Corporation C-1114, 6001 Bollinger Canyon Road, San Ramon, CA 94583-2324