The Total solution for NCERT class 6-12
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Barren and Wasteland
Culturable Wasteland
(a)Barren and wasteland refers to that land which cannot be brought under cultivation practises even with the use of present technology.
(a) Culturable wasteland is the land, which is left fallow for more than 5 years
(b) It is the land which is depleted due to land degradation or other natural factors. Eg. Ravines of chambal.
(b) It can be brought under cultivation with present reclamation technologies.
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Net Sown Area
Gross Cropped Area
(a) The physical extent of land in which crops are sown and harvested in a year is known as the net sown area. This is the area actually cultivated.
(a) The total area cultivated once, twice, or multiple times in a year is the gross cropped area
(b) Does not take into account multiple cropping.
(b) Multiple cropping is taken into account.
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Dryland Farming
Wetland Farming
(a) In India it is confined to areas with rainfall of less than 75 cm in a year. Rainfall is less than the total moisture requirement of the soil.
(a) Rainfall is more than the total moisture requirement of the soil during rainy season.
(b) These areas face problems of drought
(b) Problems of flash flood and soil erosion are faced.
(c) Methods of water conservation are used also water harvesting is carried out.
(c) Aquaculture is practiced in these areas due to excess of water.
(d) Hardy and drought resistant crops like Jowar, Bajra, Gram are grown.
(d) Water intensive crops like rice, sugarcane and jute are grown.
(e) Practised in areas like Northern Madhya Pradesh and Rajasthan.
(e) Practised in rainier parts of Bihar and West Bengal.
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