RESPONSE OF GREENGRAM (Vigna radiata L.Wilczek) TO FOLIAR NUTRITION OF NANO UREA AND NANO DAP
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Authors
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VENKATA RAO P
Regional Agricultural Research Station, ANGRAU, Lam - 522034, Guntur Acharya N.G. Ranga Agricultural University, Guntur, Andhra Pradesh, India
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REDDY A S
Regional Agricultural Research Station, ANGRAU, Lam - 522034, Guntur Acharya N.G. Ranga Agricultural University, Guntur, Andhra Pradesh, India
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RAMANA M V
Regional Agricultural Research Station, ANGRAU, Lam - 522034, Guntur Acharya N.G. Ranga Agricultural University, Guntur, Andhra Pradesh, India
Keywords:
Greengram, Nano urea, Nano DAP, Growth and YieldAbstract
A field experiment entitled was conducted during rabi 2022-23 at Regional Agricultural
Research Station, ANGRAU, Lam, Andhra Pradesh, to study the response of greengram (Vigna
radiata L.Wilczek) with foliar nutrition of nano urea and nano DAP.The experiment comprised of
nine treatments and three replications with RBD design.The results indicated that foliar spray of
nano DAP and nano urea resulted in higher grain yield (929 kg ha-1&900 kg ha-1) with yield
advantage over control (water spray) 739 kg ha-1.The highest net returns and B:C ratios of Rs.
34056 /- & Rs. 31962/- and 0.92 & 0.86 were realized with foliar spray of nano DAP @1.25 ml/l
and nano urea @ 2.5 ml/l at flowering initiation, respectively.
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