Geo-referenced soil samples were collected from forty cocoa-growinglocations across six districts (Coimbatore, Dindigul, Erode, Namakkal, Salemand Tirunuelveli) of Tamil Nadu. Analysis of data revealed that a vast majorityof the samples were alkaline (83 %), non-saline, low in organic carbon (51.3%), low in KMnO4-N (75 %), medium in available phosphorus (60 %) andmedium in available potassium (51.25 %). The soils were predominantlydeficient in DTPA Zn (71.25 %) and DTPA Cu (32.5 %) in the samplinglocations. About 20 % of the cocoa-growing locations were calcareous. Thecorrelation between free CaCO3 content of soil and pod yield revealed thatcocoa productivity is drastically affected if the free CaCO3 content of soilis more than 8.0%. Soil suitability assessment is highly imperative beforeundertaking cocoa intercropping in coconut gardens of Tamil Nadu.
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Madras
Agricultural Students Union
Tamil Nadu Agricultural University
Coimbatore - 641 003
Tamil Nadu, India.
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Madras Agricultural Journal (MAJ)
Madras
Agricultural Students Union
Tamil Nadu Agricultural University
Coimbatore - 641 003
Tamil Nadu, India.
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