French is the official language in 29 countries, most of which are members of la francophonie, the community of French-speaking countries.It is spoken as a first language in France, southern Belgium, western Switzerland, Monaco, certain parts of Canada and by various communities elsewhere.rench is the official language in 29 countries, most of which are members of la francophonie, the community of French-speaking countries.
Study sets matching term:drip+irrigation = most efficient method of irrigation
âData from USDA show that atrazine is the most widely used corn herbicide in conservation tillage systems, which can reduce soil erosion by as much as 90%, protecting water from sediment â the number one pollutant of U.S. waterways,â he says.