THE DIFFERENCE IN THE EFFECT OF FERTILIZER COMBINATIONS ON THE GROWTH AND YIELD INDICATORS OF MAIZE ZEA MAYS L. | ||
| ANBAR JOURNAL OF AGRICULTURAL SCIENCES | ||
| Article 12, Volume 20, Issue 1, June 2022, Pages 145-155 PDF (591.96 K) | ||
| Document Type: Research Paper | ||
| DOI: 10.32649/ajas.2022.175653 | ||
| Authors | ||
| M. A. Jumah1; W. A. Al-Joboory* 2 | ||
| 1University Of Anbar – College Of Agriculture | ||
| 2Department of Soil Sciences, College of Agriculture, University of Anbar, Iraq | ||
| Abstract | ||
| A field experiment was conducted in Anbar governorate, northwest city of Ramadi in Zankora district during the autumn season of 2019. Seven fertilizer treatments were included (T1 = recommended application of chemical fertilizer, T2 = 50% of recommended + effective micro -organisms, T3= 25% of the recommendation + effective micro-organisms, T4= 50% the recommended + Humic acid, T5= 25% recommended + Humic acid, T6= combination of 50% recommended + micro-organisms+ Humic acid, and finally T7= 25% of recommended + micro-organisms + Humic acid). The experiment was applied using randomized complete block design (R.C.B.D). obtained results presented the possibility of using micro-organism fertilizers and Humic acid as an alternative of chemical ones when the amount of chemical fertilizer was reduced by 50%, where, T6 treatment almost gave the same values of growth indicators and production in compression with fully amount applied as mineral fertilizer (T1). Treatment of T6 was significantly superior to all treatments except T1, by showing values of 264.87 cm, 5746 cm2, 373.9 g. plant-1, 84.92 g, 10.55 Mg ha-1 of plant height, leaf area, dry weight, 300 grain weight and total grain weight respectively. | ||
| Keywords | ||
| fertilizer combinations; Humic Acid; Effective Micro-Organisms; Chemical Fertilizer; Maize | ||
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