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
Irrigation: 1  More efficient systems. 2  Micro/drip irrigation can reduce water use by 30-50 percent. 3  Irrigation scheduling. 4  Based on crop water needs, growers can use some combination of soil moisture monitoring, weather station information, and crop data as appropriate. 5  System maintenance.