National Academy of Agricultural Sciences (NAAS)
|
PRINT ISSN : 2319-7692
Online ISSN : 2319-7706 Issues : 12 per year Publisher : Excellent Publishers Email : editorijcmas@gmail.com / submit@ijcmas.com Editor-in-chief: Dr.M.Prakash Index Copernicus ICV 2018: 95.39 NAAS RATING 2020: 5.38 |
A long-term field experiment was started at the Regional Agricultural Research Station, Tirupati of Acharya N.G. Ranga Agricultural University during kharif-1981. The present study was undertaken during kharif-2015 with a prime objective of monitoring the changes in concentration over a period of time. The soil of the experimental field was red sandy loam (Haplustalf). The experiment has eleven treatments each replicated four times in a randomized block design. The pH, EC and organic carbon of the soil was not significantly influenced by different treatments in both the surface and subsurface soil.The free calcium carbonate of surface soil was significantly influenced by different treatments whereas sub surface soil was not significantly influenced by different treatments. The available N of surface soil was ranged from140.3 to 184.6 with a mean value of 165.0. However, highest significant value was recorded in FYM alone treated plot (T2) (184.6).Available P, K, content of the soil decreased in all the treatments studied as compared to its initial status of P (20.2 kg ha-1) in both the surface and subsurface soil. The exchangeable calcium of surface soil was ranged from 2.32 to 4.39 with a mean value of 3.37. The exchangeable magnesium in surface soil ranged from 1.80 to 2.74.
Citations |
 |
 |
 |
 |
