The sprinkler family of irrigation devices â used for about 15% of farm irrigation â is a bit better than flood irrigation in terms of efficiency, but thatâs not saying much. Bringing up the rear in terms of usage is drip irrigation, which is the method of choice for about 5% of farms.
The ready-to-eat cafeteria foods were also found to be contaminated with Escherichia coli, Staphylococcus aureus and Streptococcus faecalis at similar rates (Table 2). Up to half of the ready-to-eat foods were contaminated with two or more strains of these pathogenic bacteria (data not shown).
Researchers concluded if healthy food is offered in school cafeterias without competition from junk foods, then a healthy school meal has the power to guide childrenâs choices and shape their eating behaviors. Conversely, access to unhealthy foods undermines healthy school lunch choices.esearchers concluded if healthy food is offered in school cafeterias without competition from junk foods, then a healthy school meal has the power to guide childrenâs choices and shape their eating behaviors. Conversely, access to unhealthy foods undermines healthy school lunch choices.