EFFECT OF BIOFERTILIZER  AND CHEMICAL  FERTILIZERS ON IRON AVAILABILITY AND YIELD OF LENTIL

Younis Sultan, Mowafaq

	EFFECT OF BIOFERTILIZER AND CHEMICAL FERTILIZERS ON IRON AVAILABILITY AND YIELD OF LENTIL
Journal of Tikrit University For Agriculture Sciences
Article 1, Volume 12, Issue 4, 2012, Pages 137-144
Author
Mowafaq Younis Sultan
Abstract
Abstract Field experiment was conducted in the research farm of soil & water sciences department, College of Agriculture and Forestry, to study the effects of biofertilizer and chemical fertilizers on the Iron, zinc availability of in the soil (Calciorthid) ant Lentil Yield (Lens culinaris) using RCBD design was used. The experiment involved two levels of inoculation (mixture inoculants of three rhizobial strains Le719, Le726 and Le735 , from Rhizobium Leguminosarum ), three levels of nitrogen fertilizer (0, 40, and 80 kg N/H) added as urea (46% N), and three levels of phosphorus (0, 40, and 80 kg P/H) as super phosphate and their combination on the availability of Iron and Zinc in soil (Calciorthid). Samples of soils were taken at three interval times (75,105, 137 days) after planting, Fe and Zn were analysis beside the Lentil yield was taken. The main results could be summarized as following Generally lentil plant responded positively and a significant increases was found in the seeds yield to addition of the biofertilizer (inoculated with Rhizobium Leguminosarum ) for all treatments. A significant increases was found in availability of Iron and Zinc in the soil at three interval times (75,105, 137 days) after planting epically in Rhizobial inoculation treatments. The best Nutritional balance and higher yield was obtained from the combination of the Rhizobial inoculation and N,P fertilizers treatment (inoculated with rhizobia + 80 kg P/H + 80 kg N/H).
Keywords
Rhizobium leguminosarum; iron; Zinc; lentil; phosphorous; nitrogen

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