Shaban, K., Khalil, A., Mohamed, A. (2013). EFFECT OF SOWING DATE AND NITROGEN, POTASSIUM FERTILIZATION ON FABA BEAN PRODUCTIVITY IN NEWLY RECLAIMED SALINE SOIL OF NORTH SINAI. Journal of Soil Sciences and Agricultural Engineering, 4(9), 893-904. doi: 10.21608/jssae.2013.52492
Kh. A. Shaban; A. A. Khalil; Amira A. Mohamed. "EFFECT OF SOWING DATE AND NITROGEN, POTASSIUM FERTILIZATION ON FABA BEAN PRODUCTIVITY IN NEWLY RECLAIMED SALINE SOIL OF NORTH SINAI". Journal of Soil Sciences and Agricultural Engineering, 4, 9, 2013, 893-904. doi: 10.21608/jssae.2013.52492
Shaban, K., Khalil, A., Mohamed, A. (2013). 'EFFECT OF SOWING DATE AND NITROGEN, POTASSIUM FERTILIZATION ON FABA BEAN PRODUCTIVITY IN NEWLY RECLAIMED SALINE SOIL OF NORTH SINAI', Journal of Soil Sciences and Agricultural Engineering, 4(9), pp. 893-904. doi: 10.21608/jssae.2013.52492
Shaban, K., Khalil, A., Mohamed, A. EFFECT OF SOWING DATE AND NITROGEN, POTASSIUM FERTILIZATION ON FABA BEAN PRODUCTIVITY IN NEWLY RECLAIMED SALINE SOIL OF NORTH SINAI. Journal of Soil Sciences and Agricultural Engineering, 2013; 4(9): 893-904. doi: 10.21608/jssae.2013.52492
EFFECT OF SOWING DATE AND NITROGEN, POTASSIUM FERTILIZATION ON FABA BEAN PRODUCTIVITY IN NEWLY RECLAIMED SALINE SOIL OF NORTH SINAI
Soils & Water and Environ. Res. Inst., Agric. Res. Center, Giza, Egypt.
Abstract
Faba bean (Cv. Nubaria 1) was grown during the two winter seasons 2011/2012 and 2012/2013 in saline soil at North Sinai Governorate, Egypt, to study of the effect of potassium sulfate (48 % K2O) rates ( 50 – 75 and 100 kg K2O fed-1) , urea (46 % N) rates (10 – 20 -40 kg N fed-1) alone or in combination with bio-fertilizers (Bacillus circulanspotassium solubilizing bacteria) + Rhizobium radiobacter nitrogen fixing bacteria strain inoculation, Salt Tolerant PGPR and sowing dates (25 October, 25 November and 25 December ) on faba bean productivity and the nutrients content in faba bean grains under saline soil conditions was conducted:
Results showed that the greatest seeds yield was obtained with the rate of 40 kg N +100 kg K2O fed-1 combined with bio-fertilizer and sown on date in 15 November in both seasons. Also, the rates of N, K and sowing date significantly increased P, K, Fe Mn and Zn content in faba bean seed in both seasons, while grain N content showed no significant differences in the first season. Soil contents of N, K, Mn and Zn were significantly affected by N, K and sowing date while the available P and Fe showed not significant differences in the first season. Sowing date (25 November) recorded the highest values of seeds protein content.
It could be recommended that use of 20 kg N + 75 kg K2O fed-1 combined with bio-fertilizers and sowing date of 25 November gave the greatest seed yield and improved nutrients content in grains under saline soil conditions
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