Effect of different levels of phosphorous and biofertilizers on growth and yield attributes of the blackgram (Vigna mungo L.) in the Grid Region
Phosphorous and biofertilizers on blackgram (Vigna mungo L.)
Keywords:
Azospirillum, Biofertilizers, Blackgram, Phosphorous levels, Phosphate solubilizing Bacteria, PSB, RhizobiumAbstract
A field experiment was conducted to determine the effect of different levels of Phosphorous and biofertilizers on the growth and yield attributes of blackgram (Vigna mungo L.). The soil of the experimental field was sandy loam in texture with low content of organic matter and accessible nitrogen, medium in available potash and phosphorous. The field experiment was carried out during Kharif 2021 to test three phosphorous Levels (45, 60, and 75 Kg ha-1) and three biofertilizers (Rhizobium, PSB, and Azospirillum) with absolute control. Thus, a Randomized Block Design with 10 treatments and 3 Replications was employed. Other recommended agronomical practices administered in all the treatments were similar. The growth, yield attribute, and yield in the plots treated with 75 Kg P2O5 ha-1+ Rhizobium were higher than other treatments but at par with 60 Kg P2O5 ha-1+ Rhizobium. Therefore, according to economics 60 Kg, of P2O5 ha-1+Rhizobium may be recommended as the best dose for the cultivation of blackgram in the Grid region.
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