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A、The crop’s blooming period is delayed. B、The roots of crops are cut off. C、The topsoil is seriously damaged. D、The growth of w
A、The crop’s blooming period is delayed. B、The roots of crops are cut off. C、The topsoil is seriously damaged. D、The growth of w
admin
2014-01-20
36
问题
Farmers usually use ploughs to prepare their fields for planting crops. Ploughs cut into the ground, and lift up weeds and other unwanted plants. However. ploughing is blamed for causing severe damage to topsoil by removing the plants that protect soil from being blown or washed away. Many farmers in South Asia are now trying a process called Low Till Farming. Low Till Farming limits the use of ploughs. In this method of farming, seeds and fertilizer are put into the soil through a small cut made in the surface of the ground. Low Till Agriculture leaves much or all of the soil and remains of plants on the ground. They serve as a natural fertilizer and help support the roots of future crops. They take in rain and allow it to flow into the soil instead of running off. It has been proven that Low Till Farming increases harvests and reduces water use, and this method reduces the need for chemical products because there are fewer unwanted plants. Scientists say Low Till Farming is becoming popular in South Asia, which is facing a severe water shortage. They say the area will become dependent on imported food unless water is saved through methods like Low Till Farming. Currently, more than 150 million people in South Asia depend on local rice and wheat crops. Farmers grow rice during wet weather. During the dry season they grow wheat in the same fields. Farmers are using the Low Till method to plant wheat after harvesting rice. Scientists say Low Till Agriculture is one of the best examples in the world of technologies working for both people and the environment.
23. What is the main problem caused by the usual way of ploughing?
24. What does the speaker say about Low Till Farming?
25. Where is Low Till Farming becoming popular?
选项
A、The crop’s blooming period is delayed.
B、The roots of crops are cut off.
C、The topsoil is seriously damaged.
D、The growth of weeds is accelerated.
答案
C
解析
事实细节题。短文开始部分提到,犁地因 对表层土造成严重损害而受到谴责。be blamed for doing意为“因做……而被责备”。
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0
大学英语六级
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