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Chapter 7


                               7.5         Name:                         Class:               Date:




               A Place to Grow Rice                                                  ge
                                                                                        t   Skills
                                                                                                     :

                                                                                            Describing




                                                                                     r
                                                                                  Ta
                                                                                            and analysing
                                                                                            effectiveness
                                                                                            of methods
1.   Photograph A shows wet rice cultivation on a hillside. Study the                       to maximise
     photograph and answer the questions that follow.                                       agricultural
                                                                                            landuse



      A




     (a) Explain what has been done to maximise land for farming. Use evidence from the
         photograph to support your answer.
         Flat strips of land have been created by cutting steps into the hill slopes. This

          method,	known	as	terracing,	has	made	it	possible	to	grow	rice	on	hill	slopes.	This	

          maximises the land for farming.

     (b) List two disadvantages of using the method in (a) to maximise land for farming.
         •	 Terraces	are	difficult	to	construct	and	a	lot	of	human	energy	and	time	are	needed	

               to cut steps into the hill slopes.

          •	   A	lot	of	effort	is	also	required	to	maintain	the	terraces	after	they	are	constructed.


	    (c)	 If	the	area	in	Photograph	A	receives	insufficient	rainfall,	briefly	describe	one	method	
          you would use to make the land arable.
          Irrigation can be used to make the land arable. Water can be channelled through
          irrigation	pipes	from	various	water	sources,	such	as	a	river	or	a	lake,	to	places	that	

          receive	insufficient	rainfall.


                                                                                                  Worksheet 7.5   77
2.   Photograph B and Photograph C show how vegetables are grown in Vietnam and in
          Singapore respectively. Study them carefully and answer the questions that follow.


          B                                                   C




              Vegetable farming in Vietnam

                                                         Vegetable farming in Singapore

          (a) Describe two main differences in the way land is used for farming in Vietnam and
              Singapore.
              •   Vegetables are grown on soil using traditional methods in Vietnam whereas

                     vegetables are grown using the soil-less method in Singapore.

                •    The method of cultivating vegetables in Vietnam takes up more land compared to

                     the method used in Singapore.




          (b) Give two reasons why farmers in Singapore make use of the method shown in
              Photograph C.
              •   As land is scarce in Singapore, growing vegetables using the soil-less method

                     frees up land for other purposes.

                •    Growing vegetables using the soil-less method under controlled conditions

                     increases the output of crops.




78   Worksheet 7.5

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WS 7-5

  • 1. Chapter 7 7.5 Name: Class: Date: A Place to Grow Rice ge t Skills : Describing r Ta and analysing effectiveness of methods 1. Photograph A shows wet rice cultivation on a hillside. Study the to maximise photograph and answer the questions that follow. agricultural landuse A (a) Explain what has been done to maximise land for farming. Use evidence from the photograph to support your answer. Flat strips of land have been created by cutting steps into the hill slopes. This method, known as terracing, has made it possible to grow rice on hill slopes. This maximises the land for farming. (b) List two disadvantages of using the method in (a) to maximise land for farming. • Terraces are difficult to construct and a lot of human energy and time are needed to cut steps into the hill slopes. • A lot of effort is also required to maintain the terraces after they are constructed. (c) If the area in Photograph A receives insufficient rainfall, briefly describe one method you would use to make the land arable. Irrigation can be used to make the land arable. Water can be channelled through irrigation pipes from various water sources, such as a river or a lake, to places that receive insufficient rainfall. Worksheet 7.5 77
  • 2. 2. Photograph B and Photograph C show how vegetables are grown in Vietnam and in Singapore respectively. Study them carefully and answer the questions that follow. B C Vegetable farming in Vietnam Vegetable farming in Singapore (a) Describe two main differences in the way land is used for farming in Vietnam and Singapore. • Vegetables are grown on soil using traditional methods in Vietnam whereas vegetables are grown using the soil-less method in Singapore. • The method of cultivating vegetables in Vietnam takes up more land compared to the method used in Singapore. (b) Give two reasons why farmers in Singapore make use of the method shown in Photograph C. • As land is scarce in Singapore, growing vegetables using the soil-less method frees up land for other purposes. • Growing vegetables using the soil-less method under controlled conditions increases the output of crops. 78 Worksheet 7.5