ABSTRACT

India and Pakistan ........................................................................................ 214 12.6 Processing ..................................................................................................... 215 12.7 Guar Production in the Semi-Arid U.S. Southwest ...................................... 216

12.7.1 Guar Production Basics for the U.S. Southwest ............................... 217 12.7.2 Guar and Crop Insurance .................................................................. 217 12.7.3 Suitable Field Sites for Guar ............................................................. 218 12.7.4 Guar Planting and Establishment ..................................................... 218 12.7.5 Guar Fertility including Rhizobium Inoculation of Legume ........... 219 12.7.6 Guar and Irrigation ........................................................................... 219 12.7.7 In-Season Assessment of Growth .....................................................220 12.7.8 Guar Maturity and Harvest Management .........................................220 12.7.9 The Year after Guar .......................................................................... 221

Guar is an important ingredient in hydraulic fracturing. While it can be produced in semi-arid and arid parts of the United States, installation of additional processing capacity is necessary for increasing its production in the United States.