Hanna, Amal E.; Reda M. El – Shahat , Mounira, M. Bishara and Khaled.A.Abdel-Kawi( 2013). Influence Of Some Non – Traditional Biofertilzers On Growth Of Wheat In A Clay Saline SoilEgypt. J . of Appl. Sci., 28 ( 7 ), 243 – 262, 2013
Abstract: Two Field experiments were performed at the Agricultural Experiments and Researches Station, Sahl -El Hossinia, El – Sharkia Governorate, Egypt during two winter seasons of 2009 and 2010 to study the effect of application with active yeast suspension (AY) ,azolla extract (AE) and compost tea (CT) in presence of nitrogen fertilizer management with two levels 50 or 75 Kg N Fed-1 on growth and yield components ( grains and straw ) of wheat “ sakha 69”. Foliar application with compost tea in presence of urea concentration of 75 Kg N Fed-1 led to increased counts of total bacteria and cyanobacteria. Therefore, increases in the rate of respiration through evolved CO2 and also increases in both dehydrogenase and nitrogenase activities. In all treatments soil pH and EC decreased as a result of improving soil physical properties and microbial activities compared with control treatments. The highest organic matter contents were obtained with treatments T11, T12, T9, T10 and T3. Data showed that nitrogen, phosphorus and potassium soil contents were significantly increased when combination of the three biofertilizers with high urea dose were applied. The highest NPK contents were 114.50, 6.18 and 245 ppm respectively. Treatment T12 (50 Kg N Fed-1 + CT + AE + AY ), T7 (75 Kg N Fed -1 + CT) and T9 (75Kg N Fed -1 + AE + AY) gave non – significant increases in plant height i.e 97.3, 96.60 and 99.64 cm plant-1. Compost tea addition with two levels of urea ( 75 or 50 Kg N. Fed-1 ) increased the plant height, grain yield and the weight of 1000 grains and also increased plant dry weight and straw yield compared with control ( T1 and T2 ). However, T12 treatment (50 Kg N Fed-1 + CT + AE + AY ) gave ( 485.82 g.m-2 grain ) being the highest recorded for all treatments except T11 (75 Kg N Fed -1 + CT + AE + AY ) which was more effective giving 499.78g / m-2 . The highest value of T9and T11 (1000 grain weight) were significantly higher than all other tested treatments and control . Higher values of P and K concentrations for wheat grain and straw were achieved in T11 and T9 treatments than the other treatments. The highly significant recorded values of N, P and K concentrations in grains i.e1.91, 0.92 and 2.13 % were obtained in soil treated with compost tea combined with azolla extract and yeast suspensions in addition to 75 Kg N Fed-1.
Keywords: (Compost tea, Azolla, yeast, microorganisms, soil salinity, wheat production. )
