RINGU KUMARI, P D SURENDRA KUMAR. Assessment of native soil boron availability for the growth and productivity of Brassica nigra and Sinapis alba in the Vaishali Region of Bihar: ASSESSMENT OF BORON FOR GROWTH AND PRODUCTIVITY OF BRASSICA NIGRA AND SINAPIS ALBA. J. Oilseeds. Res. 2026;42(3&4):279-284. doi:10.56739/0xb3mm32