Khatab, A. K. ; Nadia M. Hemeid and Amira A. Mohamed( 2016). Impact of Mineral, Organic and Bio fertilizers on Growth, Yield and Quality
Of Fodder Beet under Sandy Soil conditions in North Sinai
J. Soil Sci. and Agric. Eng., Mansoura Univ., Vol. 7 (5): 345 – 352,2016
Abstract: A field experiments was carried out at a private farm a; (Yamit village). Rafah in Governorate of North Sinai (31o 16' 27" N. 34o 10' 07" E at an altitude 7m) in two successive winter seasons of 2013/2014 and 2014/2015 to study the effect of somenitrogen sources viz.(60 kg Nfed-1 as NH4NO3 + 2t Compost fed-1), (60 kg N fed-1 + biofertilizer mixed with seeds, BF as N2 fixation), (2 t Compost fed-1 + BF) and (120 Kg N fed-1 only, as a recommended level) and three P fertilizer levels 15, 30, 45 kg P2O5 fed-1, as single superphosphate on fodder beet growth attributes, yield and its components and quality under drip irrigation system prevailing in the region. The results showed that application of (60 kg N fed-1 + 2t compost fed-1) produced the highest significant level of chlorophyll contents in leaves of fodder beet whereas the other N sources came in this order: (120 kg N fed-1) > (2 t compost fed-1 + BF) > (60 kg N fed-1 + BF). Also, this treatment significantly surpassed the other treatments in respect of fresh and dry top weights plant-1 and dry root weight plant-1 of fodder beet. The significant promotive effect of (60 kg N fed-1 + 2t compost fed-1) treatment extended to include dry top and root yields ton fed-1as well as N, P and K nutrients content in leaves and roots. Application of 45 kg P2O5fed-1 brought about the highest significant fresh top yield (ton fed-1) whereas application of 30 kg P2O5 fed-1 significantly yielded the best fresh root yield and there were no significant differences among P levels in dry top and root yields. The promotive significant effect of application of 45 kg P2O5 fed-1 extended to include NO2, NO3 and total carbohydrate contents in leaves and roots of fodder beet; respectively. Also, application of 45 kg P2O5 fed-1 gave the highest significant effect on N, P and K content in leaves and roots of fodder beet.
Keywords: (mineral fertilizers, compost, biofertilizer, fodder beet, growth attributes, yield.)
