AGENDA - Nitrogen Use Efficiency conference - August 8-10, 2016, Boise ID

Cover Crop Study, Parma ID

Objective: To evaluate cover crops for improved soil health in silage corn cropping system in Idaho

Collaborator: Drs. Terry Tindall, and Galen Mooso, JR Simplot Company

Trt	Cropping	Cover crop	Fertilizer source	Fertilizer
1	Conventional till corn	NO	urea	50% @ seeding + 50% at V8
2	Conventional till corn	NO	compost	@10 T/ac
3	Conventional till corn	YES, @V4	urea	50% @ seeding + 50% at V8
4	Conventional till corn	YES, @V8	urea	50% @ seeding + 50% at V8
5	No-Till corn	YES, post-corn harvest	urea	50% @ seeding + 50% at V8

High diversity mix used in our study:

Legumes: Common Vetch (9%), Spring Lentils (9%), Cowpeas (9%), Arrowleaf Clover (3%),Crimson Clover (3%), Sunn Hemp (3%)
Grasses: Spring Oat (24%), Cereal Rye (6%),Pearl Millet (3%), Sorghum Sudan (3%)
Brassicas: Nitro Radish (3%), African Cabbage (3%), Purple Top Turnip (3%), Impact Forage Collards (3%) 
Other Broadleaves: Buckwheat (6%), Flax (6%), Phacelia (3%), Sunflower (3%)