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
Diluting slurries can be a good way to reduce emissions. 1  The application method you choose is also important. The following methods of application are listed in order of effectiveness: 2  injection - most efficient, however, not all land is suitable. 3  band spreading. 4  splash-plate spreading - least efficient.