Author(s): MA Shi-lin, LI Bo, WANG Tie-liang
Pages: 10-18
Year: 2014 Issue:  6
Journal: Agricultural Research In The Arid Areas
Keyword:  straw biological reactor; green house tomato; drip irrigation schedule; water consumption intensity; wa-ter use efficiency; principal components analysis;
Abstract: With a contrast experiment in greenhouse in autumn and winter of 2010 and 2011 ,this paper studied the influence of straw biological reactor on water use efficiency and water consumption intensity of greenhouse tomato in au-tumn-winter ,and acquired an optional irrigation schedule on the basis of a principal components analysis .Results show that compared with control treatments ,straw biological reactor significantly increases water consumption intensity of toma-to in blossom-fruit stage and fruit stage with growth rates of 27 .01% ~50 .50% and 15 .87% ~76 .32% respectively ;Tomato yield under the condition of straw biological reactor is significantly higher than that in contrast area with a growth rate of 18 .38% ~35 .97% ;Water use efficiency is also higher with a growth rate of 8 .31% ~29 .08% ;When soil moisture ranges from 60% θf to 70% θf in seedling stage ,70% θf to 80% θf in flowering&fruiting stage ,70% θf to 80%θf in fruiting stage ,straw biological reactor has a significant effect on the increase of yield and water use efficiency .