雅思填空题6
No.6
Complete the notes below.
Write ONE WORD ONLY for each answer.
The use of soil to reduce carbon dioxide (CO2) in the atmosphere
Rattan Lal:
· Claims that 13% of CO2 in the atmosphere could be absorbed by agricultural soils
· Erosion is more likely in soil that is 1
· Lal found soil in Africa that was very 2
· It was suggested that carbon from soil was entering the atmosphere
Soil and carbon:
· plants turn CO2 from the air into carbon-based substances such as 3
· some CO2 moves from the 4 of the plants to microbes in the soil
· carbon was lost from the soil when agriculture was invented
Regenerative agriculture:
· uses established practices to make sure soil remains fertile and 5
·e.g.through year-round planting and increasing the 6 of plants that are grown
California study:
· taking place on a big 7 farm
· uses compost made from waste from agriculture and 8
Australia study:
· aims to increase soil carbon by using 9 that are always green
Future developments may include:
· reducing the amount of fertilizer used in farming
· giving farmers 10 for carbon storage,as well their produce