Effect of row spacing and phosphorus levels on blackgram (Vigno mungo var radiata Hepper)

Effect of row spacing and phosphorus levels on blackgram (Vigno mungo var radiata Hepper)

1980

A:PS

Field experiments were conducted in kharif seasons of 1976 and 1979 at the College of Agriculture Farm, Rewa with T 9 blackgram. Three row-spacings (30, 45 and 60 cm as main plot treatments) were tried with four levels of P (0, 25, 50 and 75 kg/ha P2O5 as sub-plot treatments). The yield and yield-atributing characters, including root-nodulation, were favouralbe influenced by wider row-spacings and higher P levels. A row spacing of 30 cm and 75 kg P2O5/ha were found optimum for sandy-loam soil for blackgram. For the clay-loam soil, this crop needs 45 cm spacing and 50 kg P2O5/ha. [AS]

v.67(12):771-773, MADRAS AGRICULTURAL JOURNAL

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