《现代农业利弊》PPT课件.ppt

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1、LogoLogoThe advantages and disadvantages of modern agriculture LogoLogoSeveral picture of Delicious foodLogoLogoThe biggest advantage of modern agriculture is that it provides us more food.We possess more food than our ancestors,We enjoy the achievements of modern agriculture,but I can not help to a

2、sk that is the food we eat in our daily life safe?we are plagued by food safety issues.AdvantageLogoSubstandard meatDisadvantages1Pesticide residues2Genetically modified foods3 Environmental pollution 4LogoSubstandard meatClenbuterol 瘦肉精Feed 饲料Antibiotic抗生素Pesticide residuesThere is no doubt that th

3、e chemicals which stay inside the crops can lead to cancer or other illnessesThe vegetables grown with chemical fertilizers grow too fast to be full of much nutrition.Genetically modified foodsThe of safety Genetically modified food(转基因食品)has not not been proven.However,genetically modified food has

4、 entered our lives,the most representative produce is soybean.you may accept the produce in the left picture above,but can you accept the chicken show in the right picture?Accept it or not,You may have eaten it somewhere.Environmental pollutionSoil pollutionWater PollutionSoil depletion(土壤贫化)At the end of the report,Lets enjoy a video

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