Suggest any two ways to check soil erosion by rivers.
(1) Black soil
(2) Desert (Arid) soil
(3) Mountainous soil
(4) Alluvial soil
(5) Red and yellow soil
(6) Laterite soil.
Read the data given below carefully and answer the questions that follow:
Land Use |
Percentage of Land |
|
Forest Net sown area Fallow land Land not available for cultivation Land under pasture and tree crops Culturable waste land |
22.5 46.6 7.7 13.8 4.8 4.6 |
|
Total |
100 |
(i) What percentage of land is dedicated to each of the net sown area and fallow land?
(ii) What is the main difference between the net sown area and fallow land?
(i) 46.6% of land is dedicated to the net sown area and 7.7% to the fallow land.
(ii) Fallow land is cultivated once in two or three years while net sown area is cultivated more than once in a year.