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Application of Fertility Capability Classification System in Some Black Soils, Red and Red Laterite Soils of Tamil Nadu


Affiliations
1 Department of Soil Science and Agricultural Chemistry, Acharya N.G. Ranga Agricultural University, Hyderabad (A.P.), India
2 Department of Soil Science and Agricultural Chemistry, Agriculture College and Research Institute (T.N.A.U.), Coimbatore (T. N.), India
     

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The study was carried out in the three new research stations of Tamil Nadu Agricultural University with varied soil types viz., Maize Research Station, Vagarai of Dindigul district, Cotton Research Station, Veppanthatai of Perambalur district and Dryland Agricultural Research Station, Chettinad of Sivagangai district of Tamil Nadu were selected for developing the strong soil resource database for proper appraisal of their productivity potential and their rational use. This study was an embodiment with an objective of application of fertility capability classification system in some black soils, red and red laterite soils of Tamil Nadu. Four fertility capability units were identified in the study area. The conditions modifiers identified in the study area were 'd' dryness, 'v' high clay content, 'b' basic reaction, 'e' low CEC and 'i' P fixation. The condition modifier 'd' were dominated in its occurrence followed by the condition modifier 'e', 'b' and 'i'.

Keywords

Black Soil, Soil Fertility, Clayey, Loamy and Sandy.
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  • Application of Fertility Capability Classification System in Some Black Soils, Red and Red Laterite Soils of Tamil Nadu

Abstract Views: 462  |  PDF Views: 0

Authors

Rajeshwar Malavath
Department of Soil Science and Agricultural Chemistry, Acharya N.G. Ranga Agricultural University, Hyderabad (A.P.), India
S. Mani
Department of Soil Science and Agricultural Chemistry, Agriculture College and Research Institute (T.N.A.U.), Coimbatore (T. N.), India

Abstract


The study was carried out in the three new research stations of Tamil Nadu Agricultural University with varied soil types viz., Maize Research Station, Vagarai of Dindigul district, Cotton Research Station, Veppanthatai of Perambalur district and Dryland Agricultural Research Station, Chettinad of Sivagangai district of Tamil Nadu were selected for developing the strong soil resource database for proper appraisal of their productivity potential and their rational use. This study was an embodiment with an objective of application of fertility capability classification system in some black soils, red and red laterite soils of Tamil Nadu. Four fertility capability units were identified in the study area. The conditions modifiers identified in the study area were 'd' dryness, 'v' high clay content, 'b' basic reaction, 'e' low CEC and 'i' P fixation. The condition modifier 'd' were dominated in its occurrence followed by the condition modifier 'e', 'b' and 'i'.

Keywords


Black Soil, Soil Fertility, Clayey, Loamy and Sandy.