The Effect of Fertigation Urea and Organic Materials in Some of Growth Features and Calotropin in Leaves of Calotopis Procera
Al-Qadisiyah Journal For Agriculture Sciences,
2014, Volume 4, Issue 2, Pages 97-105
AbstractThe experiment has been conducted by using pots contain 15 kg of slit sand soil collection from one located in Al- Diwania river, Al-Qadisiya Province. The soil contains 750 sand, 200 silt and 50gm.kg-1 clay, bulk density 1.1 Mg m-3, Ec 2.7 ds.m-1 and pH7.1 , the available N,PandK15,10 and130 mg.kg soil-1 to study the effect of fertigation of urea and organic materials on some growth features and concentration of N,P and K % and calotropin µ.gm-1 in leaves of calotropis procera .
The experiment includes fertigation of urea ,organic materials, and mixed (urea+ organic materials) and the control. with 15 ton. ha-1 of organic fertilizer (Orgno Fert) as design (CRD). After 180 days from germination. The growth features, height of plant, diameter of stem, number of leaves. number of teller and concentration of N,P and K % and calotropin µ.gm-1 in leaves were estimated. LSD show superiority of mixed fertigation (dual) treatment for both practice followed by organic materials and urea respectively are compared with the control. Are increase with percentage of mixed fertigation (75.43, 56.62,58,97,39.94,14.29,38.88 and 37.59) % for height of plant, diameter of stem, number of leaves , number of tellers and concentration of N,P and calotropin in leaves respectively.
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