EFFECT OF INTERACTION BETWEEN POTASSIUM FERTILIZER AND FOLIAR FEEDING WITH FE AND MN ON VEGETATIVE GROWTH OF WHEAT

T. Al-Maeni, A.; M. Abu-Dahi, Y.; A. Al-Aloosy, Y.

	EFFECT OF INTERACTION BETWEEN POTASSIUM FERTILIZER AND FOLIAR FEEDING WITH FE AND MN ON VEGETATIVE GROWTH OF WHEAT
The Iraqi Journal of Agricultural Science
Article 1, Volume 36, Issue 6, 2005, Pages 7-14
Authors
A. T. Al-Maeni; Y. M. Abu-Dahi; Y. A. Al-Aloosy
Abstract
A Field experiment was conducted during the season 2000-2001 at Abu-Ghraib experiment station , ministry of Agric, Baghdad to study the effect or interaction between K-fertilizer and spraying with Fe and Mn'on vegetative growth of wheat (Triticum aestivum L.), cv. Abu-Ghraib -3. Potassium was applied at a rate of (0, 60 , 120 kg K.ha"1) as K2S04 - Three concentrations of Fe and Mn were used as foliar fertilization. The levels of (0 , 50 and 100 mg Fe.L"1) as FeSO„.7H20 and (0 , 25 and 50 Mn.L ) as MnSO,,.H,0 were used as sources for Fe and Mn, respectively. Foliar fertilizers were applied at three stages of "growth, once at elongation , twice at elongation and booting and three times at elongation , booting and flowering stages. The results indicated that the application of K , Fe and Mn significantly increased the dry weight and uptake. Increasing dry weight was mainly related to the application of potassium fertilizer (16.9 gm.planf1) in spite of the high level of available potassium , and secondary to the iron application (16.46 gm.plant"1). The high response of wheat was at 120( kg K.ha"1, 50 mg Fe.L" and 25 mg.L as foliar nutrition at elongation and booting stages (18.7 g.plant" ).

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