BUT it isn't cheap. Arthur W. BUT it is even more pricy. Most seeds are heat-tolerant. Probably because of removal of litter.
Timing is critical.
Should coincide with the incipience of growth of major forage species. Flowering - large increases in fertile tillering in perennial grasses. Forage Quality - because of increased microbial activity early in the growing season, there is increased nutrient availability, consequently increased uptake by plants. Prescribed burning has been researched on Flint Hills bluestem range near Manhattan since the early 1900s, on various range sites in central Kansas since 1971, and on clay upland shortgrass range near Hays since 1975.