Warm Season Annuals

Species Selection and Development:  Grasses:  Warm-season Annual
Table 1. Seeding rates, soil texture, estimated seed cost, estimated dry matter (DM) production, possible livestock disorders, and regions adapted to Texas of warm-season annual grasses.
Warm-Season Annual Grasses Seeding Rate lbs PLS/A Soil Texture1 Estimated Seed Cost $/A Estimated DM Production/A Remarks: Possible Disorders2 Regions Adapted3
Hay
Crabgrass

Crabgrass

4 s.l. 20 3000-5000 N 1-9
Pearl Millet

Pearl Millet

12 s.l. 7 3000-6000 3 1,3,4,5
Sorghum-Sudan

Sorghum-Sudan

30 s.l. or c.l. 15 6000-15000 2,3,4 1-9
Silage
Corn

Corn

25 s.l. or c.l. 50 10000-15000 Harvest at 50% starch line or 35% DM 3 1-9
Forage Sorghum

Forage Sorghum

10 s.l. or c.l. 10 10000-18000 Harvest in dough stage or 35% DM 2,3,4 1-9
1 c.l.=clay loam; s.l.=sandy loam
2 1=ergot poisoning or staggers; 2=prussic acid poisoning; 3=nitrate NO3 accumulation; 4=interstitial cystitis;  5=photosensitization;       6=fescue toxicosis; and 7=grass tetany
3 1=Pineywoods; 2=Gulf Prairies; 3=Post Oak Savannah; 4=Blackland Prairies; 5=Cross Timber and Prairies;
6=South & Texas Plains; 7=Edwards Plateau; 8=Rolling Plains; 9=High Plains; and 10=Trans-Pecos

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