Needle & Threadgrass

Needle & Threadgrass "bails" after custom field collection in a native southern utah stand.


A Little Bit About Us

Great Basin Seed has a proud heritage in the Intermountain West seed industry. Our family lineage and business heritage are directly linked to the beginnings of reclamation, revegetation and wildlife habitat improvement.


Great Basin Seed
450 South 50 East
Ephraim, UT 84627

Contact Info

435.283.1411 (Office)
435.283.6872 (Fax)

Graph-Ex SA™ Inoculant

Graph-Ex SA™ inoculant is a specially formulated cover crop inoculant that adds the benefits of the iGET™ Technology. Us Graph-Ex SA™ for cover crops as a planter box treatment. It can be added right at the planter just before planting. This is your answer to increasing nitrogen levels in the soil with a legume crop, including peas, lentils, vetches and faba beans.

• Fast and convenient application
• Improved seed flowability
• Patent pending
• Grower applied
• Available in 4 oz packages (one 4oz package treats 100 pounds of seed)

Grow More

Under proper handling, storage, application and soil conditions, this product will inoculate these crops:

1. Peas, Lentils, Vetches & Faba Beans
Austrian winter pea, chickling vetch, faba bean, field pea, flat pea, garden pea, hairy vetch, lentil, manantha vetch, narrowleaf vetch, purple vetch, rough pea, specter pea, sweet pea, tangier pea, trapper pea

2. Cowpeas & Lespedeza
Acacia, adzuki bean, alyce clover, asparagus-bean, black eyed peas, centrosema, common lespedeza, cowpea, desmodium spp., hairy indigo, jackbean, jointvent (aeschynomene), Korean lespedeza, kudzu, mung bean, partridge pea, peanut, pigeon pea, pink eyed purple hull pea, sericea lespedeza, siratro, slender blushclover, sunn hemp, tepary bean, velvet bean, wild indigo, winged bean, winged crotalaria

3. True Clover
Alsike clover, Ball Clover, Berseem clover, Bigflower clover, Carolina clover, Cluster clover, Rabbitfoot clover, Hop clover, Hungarian clover, Ladina, Large hop clover, Persian clover, Puff clover, Red clover, Seaside clover, Small hop clover, White clover, Zigzagg clover, Crimson clover

4. Grasses
Treats all grasses grown for grain and forage.

5. Legumes
Small burnet legume, and sainfoin legume.

Cover Crop Inoculant

Cover crops have become a necessary step in the recycling and production of nitrogen and organic soil matter. Using biologicals to accomplish nitrogen fixation and production has become more ordinary. Now, with the introduction of Graph-Ex SA™ for Cover Crops, farmers can expect more out of both their soil and crops.

Rhizobia for Cover Crops

Our proprietary Rhizobia for legume cover crops is specifically beneficial for these crops and helps the plant to establish nitrogen-fixing nodules that will convert the nitrogen to a useable form for the plant. The Rhizobia in Graph-Ex SA™ for Cover Crops is a different type of Rhizobia than is used for soybeans.

iget-logoiGET™ Technology

The SA means that ABM™ has also added our proprietary, patent pending Trichoderma strain found in SabrEx™ root inoculant. Trichoderma has been shown to be beneficial in cover crops.

Increasing Nitrogen Credits

The nitrogen fixing Rhizobia found in Graph-Ex SA™ inoculant for Cover Crops will aid in the production of nitrogen by establishing itself inside the root nodules of the host plant. Working symbiotically within the plant’s nodules, inoculation will maximize the desired nitrogen credits.

Talc/Graphite Formulation

As an added benefit, utilizing a talc/graphite formulation as the carrier helps to lubricate your planter equipment and improves seed flowability. This is important, as it will minimize seed hang-ups in your equipment and reduce wear and tear.

Application Rate

Graph-Ex SA™ for Cover Crops is a planter box treatment that can be added right at the planter just before planting. You will add one 4 oz. packet for every 100 lbs. of seed added to your drill. Make sure to thoroughly mix Graph-Ex SA™ for Cover Crops in your seed. Refer to the Graph-Ex SA™ for Cover Crops label for specific rates and directions for use.

Once you have applied Graph-Ex SA™ inoculant for Cover Crops to your seed it is best to plant it immediately. Occasionally, delays can be expected in farming, however, after 48 hours you will need to retreat your seed.

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