unit 19 morden agricuture

1、ReadingUnit 19 Modern agricultureharvestingPloughing sicklescattletractorsQuestion:What are the advantages of modern agriculture, compared with traditional agriculture?Fast readingRead the text fast and silent and try to answer the following questions1.How much of the land can be used for farming in

2、 China?2.What techniques have farmers long used?3.What problem does chemical fertilisation cause?4.Some new techniques have been used for farming.What are the latest technologies?Intensive reading 1.Do Exercise 1 on page 46 of the textbook. 2.Discuss in groups of six people to finish the form.less l

3、and protected from wind, rain temperature controlledcost much money need more carebigger and healthier fruit without danger from disease less time in poorer soilproduce moreharmful to environmentproduce morewaste electricity and watermake more use of land save time grow an extra cropharmful to landA

4、nalyzing1. Have a discussion to get the general idea of each paragraphParagraph 1Paragraph 2Paragraph 3 Paragraph 4Paragraph 5Paragraph6traditional agriculture and arable landfarming techniques modernizeddevelop new techniques but a new problem appears shortage of arable land, greenhouseGMGM2.Divide

5、 the text to three parts according to the main idea of each paragraph.Part 1 Raising the problemTraditional agriculture and less arable land (Para.1)Part 2 ComparisonTechniquesPara.2 tradition & modern Para.3 advantage &disadvantage Part 3 Solving the problemThe latest techniques Para.4 greenhouse s

6、hortage of landPara.5&6 GM produce more 3.The writing clue of the textTraditional agricultureA big problemModernised farmingA new problemTechniques of solving the problems 1.It is on this arable land that the farmers produce food for the whole population of China.2.To make as much use of the land as

7、 possible,two or more crops are planted each year where possible.3.The roots of these vegetables are not planted in earth,but hang in water that contains all the nutrient they need to grow.4.In other words, the way tomatoes grow from a natural seed is changed.If you were a farmer, how could you make use of the land better to produce more without doing harm to the environment?“We abuse land because we regard it as a commodity belonging to us. When we see land as a community to which we belong, w