Effect of irrigation and nitrogen levels on cantaloupe productivity and water use efficiency under drip irrigation system : [electronic resource].

Year book of Misr Society of Agricultural Engineering : The 20 th. Annual Conference of the Misr Society of Agricultural Engineering "Agricultural Engineering and Country Challenges"

Includes references.

The aim of this study compare effect of irrigation levels and nitrogen
rates on soil moisture content, total fruit yield and water use efficiency of
cantaloupe under drip irrigation system. A field experiment was carried
out under open field conditions on a clayey soil at Shalaqan Experimental
Farm, Faculty of Agriculture, Ain Shams, Univ. Qalyubia Governorate,
Egypt, in the summer season of 2014. The experiment was consisted of
three irrigation water levels (100%, 80% and 60% of ETC) and two
fertilization rates (IOO%N and 50%N of the recommended rate). In this
respect, a split design with three replicates was implemented The results
showed that the moisture content increased near the emitter source and
then decreased horizontally and vertically in all cases this may be due to
the increase the irrigation periods and converge the distance between the
emitters, The highest total yield was obtained by (100% Etc and 100% N)
treatment, while, the lowest total yield was recorded with (60% Etc, and
50%N) treatment. But, (80% Etc and 100%N) and (80% Etc and 50%N)
treatments Increased significantly total yield On the other hand, the
highest IWUE value was 10.21 kg/m3 for (60% Etc and 100%N)
treatment, while, the lowest IWUE value was 7.96 kg/ m3 for (100% Etc
and 50% N) treatment.

Summary in Arabic