TY - BOOK AU - Srivastava, Ramesh Chandra TI - Effect of N Levels and Growth-Regulations on Growth, Yield Attributes and Yiled of Sweet-Potato (Ipomoea Batatas Lam.) U1 - 633.492 PY - 1987/// CY - Pusa, Samastipur PB - RAU KW - Agronomy KW - Msc ER -