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EFFECT OF DIFFERENT LEVELS OF N-FERTILIZATION ON NR ACTIVITY OIL AND PROTEIN CONTENT, DRY MATTER AND YIELD OF SOYBEAN (Glycine max (L.)

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Title EFFECT OF DIFFERENT LEVELS OF N-FERTILIZATION ON NR ACTIVITY OIL AND PROTEIN CONTENT, DRY MATTER AND YIELD OF SOYBEAN (Glycine max (L.)
 
Creator SUBBA REDDY, M
 
Contributor THIRUPATI REDDY, A
 
Subject EFFECT, DIFFERENT, LEVELS, FERTILIZATION, NR, ACTIVITY, OIL, PROTEIN, CONTENT,
 
Description A . pot cul~ure experiment was conducted for kharif
season on black cotton soil, brought from A·R·S· Lam, Guntur
to stud~ · the effect of graded levels of nitrog~n with and
without inoculation for increasing productivity of soybean.
The different treatmen~s of nitrogen .(0, 20,40,60 and 80 kg .. -
haf " > with and without inoculat ior. wer·e tested in
ra~domised block design with three replications
a
on
simp 1 e .
Har·dee
variety. Effect of treatments on the NR activity, Protein
content, oil content, nodule number and nodule weight, dry
matter and yield were studied.
Native bacteria of the soil has greatly influenced in
producing more number of nodules and nodule weight at all the
stages of plant growth. The contribution of native bacteria
in increasing the dry matte~ was great and led to the
incrased yields in terms of grain• The enzyme activity of
ni tr·ate r·ed1..tctase was significantly influence wi th
uninoculation at all the stages of growth. The similar trend
was observed in protein content of grain but oil content of
seed was sign~ficantly decreased·
Increasing levels of nitrogen from 0 to 60 kg ha-1
increased the nodule number and nodule weight at all the
stages of . plant growth and at eo·kg ha-1 reduced both nodule
number and weight· 60 kg ha-1 has produced more of dry
matter per plant at all the stages of growth but 80 kg ha-1
had nonsignificant increase over 60 kg ha- 1 • Application of
nit~ogen from 0 to 60 kg ha-1 had increased significantly the
grain yield· Increasing levels of nitrogen upto 60 kg ha-1
has induced the activity of the enzyme nitrate reductase and
inhibited at 80 kg ha-1 at all the stages of plant growth·
Protein content of grain increased significantly upto 60 kg
and the SO kg ha- 1 showed a non significant influence. The
oil content of the seed decreased significantly with
increasing the nitrogen application upto .eo kg ha- 1 •
Thus from the view of ecnomy, application of nitrogen
at 60 kg ha-1 level with no inoculation in continuo~~ly
cropped area with pulses was th9 best b~lanced fertilization
for increasing productivity of soybean.
 
Date 2016-08-05T14:34:59Z
2016-08-05T14:34:59Z
1988
 
Type Thesis
 
Identifier http://krishikosh.egranth.ac.in/handle/1/71082
 
Language en
 
Relation D3041;
 
Format application/pdf
 
Publisher ACHARYA N.G. RANGA AGRICULTURAL UNIVERSITY, RAJENDRANAGAR, HYDERABAD