Author(s):

Singh V and Dixit SP

Abstract: This study was carried out at experimental farm of Department of Soil Science, College of Agriculture, CSK HPKV, Palampur. There were nine treatments which were replicated thrice in a randomized block design. The experiment was conducted on maize and wheat for two years i.e. kharif 2011 to rabi 2012-13. The soil of experimental farm was silty clay loam in texture, acidic in reaction (pH 5.1), medium in organic carbon (7.8 g kg^-1) with 208, 26.8 and 214 kg ha^-1 of available N, P and K, respectively. Surface (0-0.15 m) and sub-surface (0.15-0.30 m) soil samples were analysed for Bulk density, particle density, water holding capacity, water stable aggregates before the sowing and after harvest of last crop. Yield of maize and wheat was recorded. The study revealed that the bulk density and particle density reduced whereas water holding capacity and water stable aggregates increased in targeted yield treatments with integrated plant nutrient supply (IPNS) as compared to their non-IPNS counterparts. Highest yield of both the crops was recorded in treatment where 5t vermicompost ha^-1 was applied with targeted yield concept.

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