TY - BOOK AU - MANDER, Sukhmander Singh TI - Nitrogen nutrition and crop geometry studies in sunflower (Helianthus annuus L.) genotypes U1 - T 633.85 M29N PY - 1995/// CY - Ludhiana PB - PAU KW - SUNFLOWERS -- NUTRITION KW - AGRONOMY KW - CROP GEOMETRY KW - CROP NUTRTION KW - PAR KW - SUNFLOWER N2 - Nitrogen nutrition and crop geometry studies in sunflower (He1ianthus annuus L.) genotypes consisted of nitrogen levels (0, 30, 60 90 and 120 kg N/ha), genotypes (MSFH 8 and APSH 11) and row spacings (45, 60 and 75 cm). Nitrogen application improved dry m ER -