Disease-control measures mainly include physical measures, chemical measures, and biological measures, such as crop rotation, disease-resistant cultivar selection, chemical pesticides, application of organic fertilizer, and deep turning (30 cm) and drying of field soil, while following the principle that biological control is the focus, physical control is auxiliary, and chemical control is supplementary
As one review concluded, animal tests generally fall far short of being able to predict human responses. However, further research is needed to identify any possible long-term effects
Some states protect their citizens with comprehensive smokefree laws, prohibiting smoking in public places and workplaces, including restaurants and bars
"You see mostly women's cigarettes behind store counters," she says