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
Drip irrigation is highly effective at supplying one to four gallons of water per hour directly to the soil. The advantage of drip irrigation over sprinklers is that there is little water loss due to evaporation or runoff. Itâs particularly good for mulched areas because it can directly soak the soil without washing away the mulch. Hand watering. The simplest and most common irrigation system is a garden hose or a portable sprinkler. The advantage of hand watering is that you can easily avoid over watering. Use a nozzle to control the flow.