Influence of Graded Levels of Phosphorus at Different Fertility Gradient on Soil Properties under Finger Millet- Maize Cropping System | Zendy

M. Chandrakala | Zendy; Srinivasa Murthy | Zendy; C. A. Sanjeev Kumar | Zendy

Open Access

Influence of Graded Levels of Phosphorus at Different Fertility Gradient on Soil Properties under Finger Millet- Maize Cropping System

Author(s) -

M. Chandrakala,

Srinivasa Murthy,

C. A. Sanjeev Kumar

Publication year - 2019

Publication title -

agropedology

Language(s) - English

Resource type - Journals

ISSN - 0971-1570

DOI - 10.47114/j.agroped.2017.jun3

Subject(s) - phosphorus , agronomy , soil fertility , nutrient , cropping , fertility , cropping system , environmental science , agriculture , soil water , chemistry , biology , soil science , population , crop , ecology , medicine , environmental health , organic chemistry

The influence of graded levels of phosphorus at different fertility gradient on soil properties was studied at Zonal Agricultural Research Station (ZARS), GKVK, UAS, Bengaluru under finger millet-maize cropping system. Five phosphorus fertility gradients viz., P0 (Very low), P1 (Low), P2 (Medium), P3 (High) and P4 (Very high) ( 60 kg P2O5 ha-1) were imposed. Results indicated that, availability of N, P, K, S, Mg, Mn, Cu content was higher in very high fertility strip, whereas the exchangeable Ca, DTPA-Fe and Zn were significantly higher in medium P fertility gradient strip. Combined application of manures and fertilizers resulted in relatively higher availability of nutrients as compared to inorganics alone. Further, there was a build-up of P in gradient strips with graded levels of P application.

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