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Farmers usually use ploughs to prepare their fields for planting crops.
農民在種莊稼前，通常用犁耕地。
Ploughs cut into the ground and lift up weeds and other unwanted plants.
他們用犁翻土，除掉雜草和其它一些不需要的植物。
However, ploughing is blamed for causing severe damage to topsoil by removing the plants that protect soil from being blown or washed away.
然而，耕地會除去保護土壤免于風化或沖刷的表層土，這對表層土的損害是比較大的。
Many farmers in South Asia are now trying a process called Low Till Farming.
現在，許多南亞的農民都采取低耕農業的方法。
Low Till Farming limits the use of ploughs.
低耕農業限制了農民對犁的使用。
In this method of farming, seeds and fertilizer are put into the soil through a small cut made in the surface of the ground.
這種耕作方法，只是在表層土上翻開一個小口子，然后把種子和肥料放進土里。
Low Till Agriculture leaves much or all of the soil and remains of plants on the ground.
低耕農業會留下大部分或全部的土壤，也會把殘余的植物留在土地上。
They serve as a natural fertilizer and help support the roots of future crops.
這些植物就相當于自然的肥料，幫助將來的農作物強健根基。
They take in rain and allow it to flow into the soil instead of running off.
它們吸收雨水滲入土壤中，而不是讓雨水流失。
It has been proven that Low Till Farming increases harvests and reduces water use.
這也證明了低耕農業能夠增加農作物的產量，并且能減少水的使用量。
And this method reduces the need for chemical products because there are fewer unwanted plants.
這種耕作方法也減少了人們對化工產品的使用，因為多余的植物也減少了。
Scientists say Low Till Farming is becoming popular in South Asia, which is facing a severe water shortage.
科學家說，低耕農業在水資源嚴重短缺的南亞地區越來越受歡迎。
They say the area will become dependent on imported food unless water is saved through methods like Low Till Farming.
他們還說，如果南亞不采取低耕農業的方法節約用水，那么他們將來就只能依靠進口食物生活了。
Currently, more than 150 million people in South Asia depend on local rice and wheat crops.
目前，有超過1億5千萬的南亞人民以當地的米飯和小麥為食。
Farmers grow rice during wet weather.
農民們在多雨的天氣種植水稻。
During the dry season they grow wheat in the same fields.
在干燥的季節，他們會在同一塊土地上種植小麥。
Farmers are using the Low Till method to plant wheat after harvesting rice.
農民們在收獲水稻后會用低耕的方法種植小麥。
Scientists say Low Till Agriculture is one of the best examples in the world of technologies working for both people and the environment.
科學家說，低耕農業是世界上利用科技造福人類和環境的最佳案例之一。
