Evaluation of sea weeds as manure to coconut
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Date
1975
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A field trial with sea weed mixture (containing 90% of Cymodocea serrulata as a manure to coconut with and without NPK fertilisers was conducted on an acidic red sandy loam soil for five years. The application of sea weed alone did not increase the nut yield over control while NPK fertilisers increased it. The sea weed material enriched soil exchangeable Na, Ca, and Mg, increased pH, and considerably reduced P in soil. Considering the interaction between soil K and Na, Ca, and Mg and its possible effect on reduced availability of K, it is inferred that the material is not very promising as manure to coconut.
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Journal of Plantation Crops 3(1) : 6-8, 1975