Ibrahim,, E., Tolba, M., Badour, G. (2006). EFFECT OF ORGANIC AND MINERAL NITROGEN FERTILZER AND DICYANDIAMIDE AS NITRIFICATION INHIBITOR 0N VEGETATIVE AND SEED YIELD OF JEW'S MALLOW (Corchorus clitorus L.). Journal of Plant Production, 31(4), 2297-2313. doi: 10.21608/jpp.2006.235813
E. A. Ibrahim,; M. H. Tolba; G. A. Badour. "EFFECT OF ORGANIC AND MINERAL NITROGEN FERTILZER AND DICYANDIAMIDE AS NITRIFICATION INHIBITOR 0N VEGETATIVE AND SEED YIELD OF JEW'S MALLOW (Corchorus clitorus L.)". Journal of Plant Production, 31, 4, 2006, 2297-2313. doi: 10.21608/jpp.2006.235813
Ibrahim,, E., Tolba, M., Badour, G. (2006). 'EFFECT OF ORGANIC AND MINERAL NITROGEN FERTILZER AND DICYANDIAMIDE AS NITRIFICATION INHIBITOR 0N VEGETATIVE AND SEED YIELD OF JEW'S MALLOW (Corchorus clitorus L.)', Journal of Plant Production, 31(4), pp. 2297-2313. doi: 10.21608/jpp.2006.235813
Ibrahim,, E., Tolba, M., Badour, G. EFFECT OF ORGANIC AND MINERAL NITROGEN FERTILZER AND DICYANDIAMIDE AS NITRIFICATION INHIBITOR 0N VEGETATIVE AND SEED YIELD OF JEW'S MALLOW (Corchorus clitorus L.). Journal of Plant Production, 2006; 31(4): 2297-2313. doi: 10.21608/jpp.2006.235813
EFFECT OF ORGANIC AND MINERAL NITROGEN FERTILZER AND DICYANDIAMIDE AS NITRIFICATION INHIBITOR 0N VEGETATIVE AND SEED YIELD OF JEW'S MALLOW (Corchorus clitorus L.)
2Soil, Water and Environment Res. Inst, Agric. Res. Center, Giza. Egypt.
Abstract
The present investigation was carried out at Baramoon Experimental Farm,
Dakahlia Governorate, Egypt, during 2004 and 2005 seasons, using the jevfs
mallow cultivar “ Balady“, to study the effect of dicyandiamide (DCD) application ( 0
and 3.2 kg! fed.“4% of the added N dose" ) and four rates of different nitrogen sources
(100% mineral N, 75 % mineral N + 25 % organic N, 50 % mineral N + 50 % organic
N, 25 % mineral N + 75 % organic N and 100 % organic N), the amount of added
nitrogen was adjusted to a total N supply of 80 kg! fed, as well as their interaction on
growth and fresh yield parameters in the first and second cuts , Chemical
composition in leaves, seed yield and its components. and seed quality. The
obtained results indicated that DOD led to significant increases in all traits, except
N03 accumulation, which was significantly decreased by DOE) application. For N
sources, they had significant effects on all studied characters in both seasons,
raising organic N with decreasing mineral N led to marked decreases in growth and
fresh yield parameters and chemical composition in leaves in both cuts and in both
seasons, whereas the highest values of number of pods! plant, seed weightl pod,
seed yield! fed, seed index and germination percentage were obtained from the
treatment of 50% mineral N + 50% organic N in both seasons. The interaction effect
between the experimental factors had significant effects on all studied traits in both
seasons. Generally, it could be concluded that, application of nitrogen fertilizer in the
form of 75% mineral N + 25% organic N or 50% mineral N + 50% organic N
combined with 000 in law‘s mallow fields were the most effective treatments for
satisfactory improvements in fresh and seed yields with Reaping the health and
safety of human and environment.
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