The Impact Of Different Growth Duration Of Eichhornia crassipes (Mart)Solms On Biomass And Productivity  In Northern Iraq.

	The Impact Of Different Growth Duration Of Eichhornia crassipes (Mart)Solms On Biomass And Productivity In Northern Iraq.
Kufa Journal for Agricultural Science
Article 1, Volume 5, Issue 1, 2013, Pages 137-156
Abstract
The experiment was carried out at college of Agriculture Forestry /Mosul University (Iraq) during growing season /2011 on water hyacinth to investigate growth habitat productivity during season growth .On 20 March 2011 ,one daughter plant had planted in bond (1 ×1.5 × 0.6 m) and the plan characterizes had taken at 1st May ,1st July,1st August , 1st September and 1st November /2011 three. It used in randomize complete block design (RCBD) with replicates as a simple experiment. The results sowed that water hyacinth have a high speed of growth which produced a high biomass it is capable producing 48.592 kg/m² and 3.562 kg/m² for fresh and dry weight respectively .The one daughter plant had massive cover up to 7.5 m² during 193 days .On other hand ,one propagate had produced 2320 daughter during 193 days. comparing with 118 daughter plants during 42 days. However ,the weed can grow under different wide conditions such as in sludge water in northern Iraq . In general ,the rate of growth per month was produced 940 propagate ,4.26 m² leaf area ,21.9 kg/m²,1.575 kg/m² for fresh and dry weight of water hyacinth respectively

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