Volume 4 Issue 4 Article 3

Response of alfalfa forage to phosphorus, boron and manganese based fertilizing systems

Maryam Kheirkhah1, Hamid Madani2,*, Shahram Lac3, Ghorban Nourmohammadi4 and Mani Mojaddam3

1Department of Agronomy, College of Agriculture, Khuzestan Science and Research branch, Islamic Azad University, Ahvaz, Iran
2Department of Agronomy, College of Agriculture, Arak Branch, Islamic Azad University, Arak, Iran
3Department of Agronomy, College of Agriculture, Ahvaz Branch, Islamic Azad University, Ahvaz, Iran
4Department of Agronomy, College of Agriculture, Science and Research Branch, Islamic Azad University, Tehran, Iran

Keywords: Alfalfa, Boron, Forage Yield, Manganese and Phosphate Solubilizing Bacteria

Page No: 398 - 405

Received - February 22, 2016; Revision - May 01, 2016; Accepted - June 28, 2016 Available Online - June 30, 2016

How to Cite


This study was conducted to explore the effect of phosphate solubilizing bacteria (PSB), boron (Borax and Boric acid) and manganese (manganese chelate and manganese sulfate) based fertilizers on forage production of alfalfa. Experiment was laid in a split plot factorial in the form of randomized complete block design with phosphorus bio-fertilizer rates (0 and 100 g.ha-1) in main plots, while boron (0, Borax foliar application of 1.0 lit.ha-1 and Boric acid soil application 10 kg. ha-1) and manganese fertilizer (0, manganese chelate foliar application 1.0 lit.ha-1 and manganese sulfate soil application 10 kg. ha-1) were used in sub plots. The results showed that the highest dried forage yield was obtain by boron and manganese foliar application and bio-phosphorus utilization about 24.00 t/ha. Thus, triple application of PSB, Mn and B (100 g.ha-1 as soil application and 1.0 lit.ha-1 of each Mn and B solutions) could be recommended as the best treatment for improve forage yield of alfalfa (cv. Ranger) under the experiment environmental conditions.

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