Abstract
Field experiment was conducted to study the potential of Azotobacter inoculation for enhancing yield and other growth parameters on a sandy loam soil, given NPK @ 250, 125, 125 kg ha-I,respectively. Tubers of CEB-819-17 were inoculated with four strains of Azotobacter at the time of sowing.The results showed that shoot, root, single tuber weight, tuber yield plant"! and R/S ratio increased significantly due to inoculation with all the strains and maximum tuber yield (18.13% higher than control) was observed with At inoculation. Single tuber, shoot, root weight plant'! and R/S ratio were maximum with strain A3 inoculation. This enhancement in the potato growth might be due to the production of plant growth regulators as there was no possibility of Nvfixationin the presence of such a high dose of nitrogen.
