To combat the uncertainty of rainfall and to increase yields, a growing number of farmers are irrigating their fields - and that's translating into business for two hard-working drilling companies.
Irrigation practices and applications can vary greatly from region to region, so we thought we'd give you a sampling of what drillers are doing in some very different parts of the country to keep the land fertile.
Some experts claim that slow sand filtration currently is experiencing a resurgence in North America -- especially in smaller communities -- primarily because it is a cost-effective and reliable method of purification.