INTERACTIVE EFFECT OF BENEFICIAL MICROORGANISMS ON GROWTH AND YIELD OF SOYBEAN [Glycine max (L.) Merrill] UNDER MICROCOSM CONDITIONS
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Date
2013-07-08
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University of Agricultural Sciences GKVK, Bangalore
Abstract
A field experiment on “Interactive effect of beneficial microorganisms on
growth and yield of soybean [Glycinemax (L.) Merrill] under microcosm
conditions” was conducted at ZARS, UAS, GKVK, Bengaluru, during Kharif
2012. The experimental soil was red sandy clay loam having low in organic
carbon content (0.45%). The experiment had 12 treatments with 3 replications
laid out in Randomized Complete Block Design.
The results indicated that significantly higher plant height (40.69 cm),
more number of leaves (20.55 plant-1) and branches(9.76 plant-1) at harvest
stage and increased leaf area (1211.94 cm2 plant-1) at 60 DAS. More number of
effective root nodules (42.33 plant-1) and higher pod yield (37.96 plant-1) and
dry matter (32.73 g plant-1) was recorded in the treatment of 100% NPK
+Bradyrhyzobiumjaponicum + Aspergillusniger +VAM.
The plant nutrient uptake viz., nitrogen (164.50 kg ha-1), phosphorus
(25.11 kg ha-1) and potassium (134.77 kg ha-1) was also found highest in the
same treatment.Application of 100% NPK +Bradyrhyzobiumjaponicum +
Aspergillusniger +VAM recorded higher net returns (Rs. 1,13,905.4 ha-1) and
B:C ratio (4.33). The lowest plant growth attributes, pod yield, net returns and
B:C ratio was recored in control treatment supplemented only with FYM.
The results has clearly showed that in addition to recommended NPK,
consortialapplication of Bradyrhyzobiumjaponicum + Aspergillusniger+VAM is
highly advantages to crop growth and obtain higher crop yield in soybean
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