Modern Agriculture

Revision and Lead–in Eating Habits Agricultural Produce Nature What are the relations between them? Eating habits affect the changes in agricultural produce, at the same time the development of agriculture has effects on nature.

Pre-reading modern farming, then compare these two ways. Look at the pictures and classify traditional and modern farming, then compare these two ways. 更多资源xiti123.taobao.com

classify ② ⑥

Traditional farming (12 3 4) Agriculture Modern farming (5 6 7 8)  

Advantages and disadvantages of traditional and modern agriculture. Techniques Traditional agriculture Modern Raising animals in small scale in large scale expensive, chickens are big and fat cheap, eggs and meat are tasty

Agriculture Techniques Traditional agriculture Modern Fertilisers natural (manure) chemical free, cheap, bad smell, difficult to transport expensive, no smell, easy to transport

Agriculture Techniques Traditional agriculture Modern Farming tools Machines Animals cheap, no pollution, need to rest expensive, air pollution, convenient, use longer

Agriculture Techniques Traditional agriculture Modern Climate control Open air Greenhouse controlled by weather and land condition expensive, but can be built where necessary

Skimming

Q1: What’s the biggest problem to Chinese farmers? The shortage of arable land. Q2: What does GM mean? “G” stands for “genetically” “M” stands for “modified” (changed)

Scanning

Choose the best answer. 1. In China only seven percent of the land is used for farming. This is _____. A. because farmers don’t need more land to produce food for the whole population B. because China needs more and more land to build cities C. because there are not enough farmers to work on the land D. because the other land cannot be used for agriculture

2. Fertilisation is a technique that is used to ______. A. make poor soil better B. make wet land drier C. make dry land better D. grow vegetables with their roots in water instead of earth

3. Modern agriculture means finding ways to _____. A. increase irrigation and stop using fertilisers B. stop irrigation and using fertilisers C. increase production and be friendly to the environment D. produce the same amount while taking better care of nature

4. In the sentence “… they are protected from the wind, rain and insects”, “they” means _____. A. greenhouses B. roots C. vegetables D. tomatoes

5. In GM “M” stands for “modified”, which means “changed”. What changes is ______. A. the way in which poor soil is made better B. the way in which Chinese farmers work on their land C. the way in which crops develop from seed D. the way in which farmers take care of the environment

Further reding

Divide the text into four parts. Part I Part II Part III Part IV (Para 1) A brief introduction to agriculture and arable land in China How to use advanced techniques to improve agricultural production (Para 2) Scientists started to develop new techniques to increase agricultural production without harming the environment (Para 3) Using the latest technologies to settle the problem with the shortage of arable land (Para 4-6)

Modern agriculture has developed through periods according to the text Modern agriculture has developed through periods according to the text. What was mainly developed in each period ? Period 1 : More advanced technical information was brought in from abroad in the 1980s. Period 2 : Scientists started to develop new techniques to increase agricultural production without harming the environment from--- Period 3 : Using the latest technologies to grow vege-tables, such as greenhouses, GM.

Consolidation

With the development of m________ agriculture , farmers are realizing more and more the importance of protecting nature. Since the early 1990s, scientists have been trying to develop new t________ to increase agricultural p_________ and protect the e_____________ at the same time. Some c________ can help to produce better crops but are very h_________to our environment. Some have a very good e__________on removing weeds but they damage crops at the same time. So new techniques should not only help increase production but also be f__________ to the environment. We should depend on high technology and t_____________ methods as well to develop our agriculture because food production and taking care of the environment are of the same i____________. odern echniques roduction nvironment hemicals armful ffect riendly raditional mportance

Discussion Modern agriculture should not go against nature. How can we develop modern agriculture to meet the change of people's eating habits without destroying or damaging the environment? Modern agriculture should not go against nature. We can develop Eco-agriculture. 3. Use less chemical fertilizers, pesticide. 4. Protect the soil from being lost. Improve the soil conditions. 5. Grow different plants in different areas.

Homework 1. The text doesn't have an ending , please imagine an ending for it. 2. Preview the language points in the text.

Genetically Modified (GM) food

cherry tomato

含乙肝疫苗的转基因土豆 更多资源xiti123.taobao.com

转基因金稻