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- Title
Soil Suitability Assessment for Intercropping Cocoa in Coconut Gardens of Tamil Nadu.
- Authors
Sudhalakshmi C.
- Abstract
Geo-referenced soil samples were collected from forty cocoa-growing locations across six districts (Coimbatore, Dindigul, Erode, Namakkal, Salem and Tirunuelveli) of Tamil Nadu. Analysis of data revealed that a vast majority of the samples were alkaline (83 %), non-saline, low in organic carbon (51.3 %), low in KMnO4-N (75 %), medium in available phosphorus (60 %) and medium in available potassium (51.25 %). The soils were predominantly deficient in DTPA Zn (71.25 %) and DTPA Cu (32.5 %) in the sampling locations. About 20 % of the cocoa-growing locations were calcareous. The correlation between free CaCO3 content of soil and pod yield revealed that cocoa productivity is drastically affected if the free CaCO3 content of soil is more than 8.0%. Soil suitability assessment is highly imperative before undertaking cocoa intercropping in coconut gardens of Tamil Nadu.
- Subjects
TAMIL Nadu (India); INTERCROPPING; CATCH crops; COCONUT; COCOA; SOILS
- Publication
Madras Agricultural Journal, 2021, Vol 108, Issue 7-9, p1
- ISSN
0024-9602
- Publication type
Article
- DOI
10.29321/MAJ.10.000528