Asian Journal of Microbiology, Biotechnology & Environmental Sciences Paper

Vol.13, Issue 3, 2011; Page No.(551-555)

EFFECT OF NPK, MACRO, MICRO-NUTRIENTS AND BIO-FERTILIZERS ON SEED YIELD OF BRASSICA JUNCEA (L.) VAR. PUSA BOLD

L.P. DALAL, P. B.NANDKAR AND D.G. BHADANGE

Abstract

A field experiment was conducted on cotton black soil to investigate the effect of various levels of NPK, macro and micro-nutrients and bio-fertilizers on the growth parameters viz, plant height, number of branches, siliqua,s per plants, test weight of 100-seeds and the seed yield in t/ha. Experimental results revealed that the application of NPK @ 20:10:10 kg/ha progressively and significantly enhanced the seed yield. The maximum seed yield was found with the application of NPK @ 50:40:25 kg/ha, macro, micro-nutrients and bio-fertilizers, while the seed yield with the application of NPK @ 60:50:30 and 70:50:35 kg/ha, macro and micro-nutrients (only chemical fertilizers) was decreased. Similarly their was no enhancement in plant height, number of branches per plant and number of siliqua (pod) per plant in higher doses of only NPK treatments but higher yield was reported with Pseudomonas striata + Azotobacter chroococcum and N30 P20 K15, macro and micro-nutrient treatments.

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