A study was made with the objects of finding out the nature of distribution of different forms of K in the major soil series of TamilNadu.Two profiles in each soil series viz.water soluble.Noyyal(alluvial soil)and Peelamedu (black soil)were studied for different forms of K viz.water soluble.exchangeable.Non-exchangea- ble and total K.The total in general exchangeable.Non-exchangeable and Non-exchangeable total K. K decreased with depth.The results have shown that the different forms of K varied with the type of soil series.Water soluble K decreased with depth in alluvial soil while in black soil.
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Tamil Nadu Agricultural University
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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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