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Land Capability Classification


Land Capability Classification

What is land capability?

Land capability shows the capability of a land to support vegetative growth. Land are used for agriculture, pasture and forestry. Factors affecting land capability are: Nature of soil and properties of soil. In this post we will know about Land Capability Classification.

Contents
(1). List: Land Capability Classification
(2). Description from class I to VIII

Also read: Types of cropping systems

(1). List: Land Capability Classification

(A). Land suitable for cultivation.
(B). Land not suitable for cultivation.

(A). Land suitable for cultivation

(a). Class I.
(b). Class II.
(c). Class III.
(d). Class IV.

(B). Land not suitable for cultivation

(a). Class V.
(b). Class VI.
(c). Class VII.
(d). Clsass VIII.

(2). Description form class I to VII

Class I

  • No limitation.
  • Intensive crop cultivation.
  • Permanent irrigation system.
  • Water holding capacity is high.
  • Only crop management practices are required.
  • Example: Indo Gangetic Plains.

Also read: Ideotypes of different field crops

Class II

  • Moderate limitations.
  • Conservation practices.
  • Limiting factors: Gentle slope, saline condition, inadequate soil depth etc.
  • Examples: Deep red soils, black soils.
  • Management practices: Strip cropping, contour tillage, rotation.

Class III

  • Severe limitations.
  • Requires conservation.
  • Limitations: Steep slope, high erosion hazard, very slow water permeability, restricted root zone, low fertility.
  • Examples: Shallow red soil, slightly saline black soil,
  • Management practices: Crop rotation, drainage.

Class IV

  • Very severe limitations.
  • Choice of crop is very necessary.
  • Suitable for occasional cultivation.
  • Extensive use of close growing crops.
  • Best suitable for pasture.
  • Requires very careful management.
  • Examples: Shallow soils, saline soils, alkaline soils.

Also read: Agronomy one liner

Class V

  • Not suitable for cultivation.
  • Short growing season.
  • Pond areas.
  • Drainage is not possible.
  • Stony or rocky soils.
  • Interference from stream flow.
  • Arid soils, uneven soils.

Class VI

Moderate limitations when grazing is considered.

Class VII

Severe limitations for:

  • Grazing.
  • Wood land.
  • Wildlife.

Class VIII

  • Severe limitations for any type of agricultural activity.
  • Extremely rough land.
  • Restricted for wildlife, watershed protection, sandy beaches, river wash etc.

Management practices

  1. Crop management practice according to land and moisture.
  2. Agronomic and engineering measures.

Summary

  • There are 8 classes of land.
  • First 4 classes are suitable for cultivation.
  • Last 4 classes are not suitable for cultivation.
  • Crop management practices are necessary for crop production.

Also read: Agronomy mcq

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