الفهرس 
Introduction
Effect of organic manureOnly 14 pages are availabe for public view
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Abstract
Two field experiments were carried out under the conditions of North Delta soil at El Roba village Baltim , kafer el shiekh during the two successive growing seasons , 20002001 and 2001 2002 seasons , the obtained results could be summarized as follows : The first season ; the highest average fruit weight, length and diameter obtained from local cv. Edkawy which irrigated every 7 days and fertilized with 200 kg .N / fed. While , the highest No. of fruits / plant , average fruit yield ( kg / plant ) and average fruit yield ( Ton / fed . ) resulted from the hybrid variety ( petopride 2 ) which irrigated every 7 days and fertilized with 200 kg N / fed. The highest value of WUE was obtained from hybrid petopride 2which irrigated every 21 days and fertilized with 200 kg N / fed. The second season : the highest values of fresh and dry weights were obtained from tomato plants fertilized with 10 m3 chicken manure / fed. , irrigated every 14 days and fertilized with 150 kg N / fed. The highest average fruit weight , length and diameter obtained from tomato plants without organic manure , irrigated every 7 days and fertilized with 250 kg / fed. The highest values of number of fruits / plant , average fruit yield ( kg /plant and ton / fed .)resulted from tomato plants received 10 m3 chicken manure / fed. , irrigated every 7 days and fertilized with 200 kg N /fed. The highest values of N , p and K % and uptake in tomato plants at 75 days from transplanting , at the end of growth season and in tomato fruits were obtained from tomato plants fertilized with 10 m 3 chicken manure / fed., irrigated every 7 days and fertilized with 200 kg N /fed. The highest value of N recovery ( U R %) was obtained from tomato pplans were fertilized with 10 m3 chicken manure / fed . , irrigated every 7 days and fertilized with 50 kg N / fed. The highest value of NUE was obtained from tomato plants without organic manure , irrigated every 7 days and fertilized with 50 kg N /fed . The highest value of WUE from tomato plants without organic manure resulted from irrigation every 7 days . whereas , the highest value of WUE from tomato plants fertilized with 10 m3 chicken manure / fed. Obtained from irrigation every 21 days .