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Agricultural Geography for NTA UGC NET By: Abhishek Kumar Jha
Educator: Verified. Star, Plus Research Scholar (Geography). JRF Awardee. Cleared UGC CBSE NET-JRF (5 Times). Cleared exam and given Interview for Assistant Professor of Haryana Public Service Commission 2016. Graduate in Geography from Banaras Hindu University. Masters in Geography from Banaras Hindu University Pursuing Masters in Rural Development from unacademy Indira Gandhi National Open University VActive Quora user Love to teaching and sharing knowledge Singing, Cricket, Travelling, Reading, Movies Re are my hobbies ,
Agricultural Geography New Syllabus 7 Land Capability Sub-Classes and their Characteristics
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5. i' Inundation by Streams or Lakes - This subclass includes soils subjected to inundation causing crop damage or restricting agricultural use. 6. 'm' Moisture Limitations - This subclass consists of soils where crops are affected by drought owing to inherent soil characteristics. These soils usually have low water-holding capacity 7. 'n' Salinity - Soils of this subclass possess excessive soluble salts which adversely affect crop growth or restrict the range of crops that may be grown.
8. 'p' Stoniness - These soils are sufficiently stoney to hinder tillage, planting and harvesting operations, 9. 'r' Consolidated Bedrock - This subclass includes soils where the presence of bedrock near the surface restricts their agricultural use. Consolidated bedrock at depths greater than 90 cm from the surface is not considered as a limitation except on irrigated lands where a greater depth of soil is desirable.
10. s' Two interpretations were accorded to subclass s. In the case of maps generally prepared before 1969, subclass s was used in place of subclasses d, f, m or n. If two or more of subclasses d, f, m or n are applicable to the same area, then again subclass s may be used. On most of the maps prepared after 1969, the applicable subclass d, f, m or rn appear if an area is classified with a single subclass. For areas classified with two or more of the d, f, m or n subclasses, subclass s will appear denoting a combination of subclasses.
11. t' Topography - This subclass is made up of soils where topography is a limitation. Both the percent of slope and the pattern or frequency of slopes irn different directions affect the cost of farming and the uniformity of growth and maturity of crops as well as creates erosion hazard 12. w' Excess Water - This subclass includes soils where excess water other than brought about by inundation is a limitation to agricultural use. Excess water may result from inadequate soil drainage, a high water table, seepage or runoff from surrounding areas. 13. 'x' - This subclass is comprised of soils having a limitation resulting from the cumulative effect of two or more of the adverse characteristics.
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