A research on the effect of nitrogen fertilization and row spacing on herbage yield and quality of sorghum-sudangrass (Sorghum bicolor x Sorghum sudanense) hybrid cultivar grown as second crop in Amik Plain conditions

Ylmaz, S.; Saglamtimur, T.

Ziraat Fakultesi Dergisi, Mustafa Kemal Universitesi 2(1): 87-100

1997


Accession: 004393001

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Abstract
This study was conducted to determine the effects of nitrogen fertilizer application (0, 5, 10 and 15 kg/day) and row spacing (35, 52.5 and 70 cm) on green herbage yield, dry herbage yield, crude protein rate and crude protein yield of sorghum-sudangrass (Sorghum bicolor x Sorghum sudanense) hybrid cultivar grown as second crop under the conditions of the farmers field in Amik Plain, Turkey, during 1994 and 1995. Field trials were designed in split-plot with three replications. The highest green herbage yield (8220.0 kg/day), dry herbage yield (1087.0 kg/day), crude protein content (11.25%) and crude protein yield (123.0 kg/day) were obtained from level of 15 kg/day nitrogen. The lowest green herbage yield (4271.7 kg/day), dry herbage yield (641.2 kg/day), crude protein content (7.73%), and crude protein yield (50.73 kg/day) were obtained from the unfertilized plot. The highest green herbage yield (6720 kg/day) was obtained in 52.5 cm row spacing and dry herbage yield (949.5 kg/day), crude protein content (9.43%) and crude protein yield (91.97 kg/day) were obtained in 70 cm row spacing. The lowest green herbage yield (5900.0 kg/day), dry herbage yield (807.9 kg/day), crude protein content (9.23%) and crude protein yield (76.30 kg/day) were obtained in 35 cm row spacing.