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Shock, C.C.; Feibert, E.B.G.; Saunders, L.D.; Shaw, N.L. 2009. Native wildflower seed production with limited subsurface drip irrigation. Corvallis, OR: Oregon State University, Malheur Experiment Station. Special Report 1094: 157-176.
Shock, C.C.; Feibert, E.B.G.; Saunders, L.D. 2008. Scarification of basalt milkvetch (Astragalus filipes) seed for improved emergence. Corvallis, OR: Oregon State University, Malheur Experiment Station. Annual Report 2007. Special Report 1087: 204-205.
Colorado State University, Extension. Native plant seed production. 2010-Present. Fort Collins, CO: Colorado State University Extension. Available: http://wci.colostate.edu/seed_production.shtml
Shock, C.; Feibert, E.; Parris, C.; Saunders, L.; Johnson, D.; Bushman, S.; Shaw, N. 2012. Evaluation of seed scarification for the establishment of three Intermountain West native legumes. Corvallis, OR: Oregon State University, Malheur Experiment Station. Malheur Experiment Station Annual Report 2011, Department of Crop and Soil Science Ext/CrS 141: 136-138.
Shock, C.; Feibert, E.; Saunders, L.; Shaw, N. 2010. Emergence of native plant seeds in response to seed pelleting, planting depth, scarification and soil anti-crusting treatment. Corvallis, OR: Oregon State University, Malheur Experiment Station. Annual Report 2009, OSU Department of Crop and Soil Science Ext/Crs 131: 218-222.
Shock, C.C.; Feibert, E.B.G.; Saunders, L.D. 2008. Scarification of basalt milkvetch (Astragalus filipes) seed for improved emergence. Corvallis, OR: Oregon State University, Malheur Experiment Station. Annual Report 2007. Special Report 1087: 204-205.
Shock, C.C.; Feibert, E.B.G.; Saunders, L.D.; Shaw, N. 2014. Irrigation requirements for native wildflower seed production for perennial and annual species planted in the fall of 2009. In: Oregon State University, Malheur Experiment Station Annual Report 2013, Department of Crop and Soil Science Ext/CrS 149: 184-192.
Shock, C.; Feiber, E.; Saunders, L.; Shaw, N.; Sampangi, R. 2013. Irrigation requirements for native perennial wildflower seed production in a semi-arid environment. Corvallis, OR: Oregon State University, Malheur Experiment Station. Ext/CrS 149: 166-183.
Shock, C.; Feibert, E.; Saunders, L.; Shaw, N. 2013. Irrigation requirements for native wildflower seed production for perennial and annual species planted in the fall of 2009. Corvallis, OR: Oregon State University, Malheur Experiment Station. Ext/CrS 149: 184-192.