Investigation Integrated Effect of Fertilizer and Biofertilizer (Nitrogen and Phosphorus) on Wheat (Triticum aestivum L.) Crop Production


1 Msc. Graduated, Department of Agronomy, Ahvaz Branch, Islamic Azad University, Ahvaz, Iran.

2 Assistant Professor, Department of Agronomy, Ahvaz Branch, Islamic Azad University, Ahvaz, Iran.

3 Assistant Professor, Department of Soil Science, Ahvaz Branch, Islamic Azad University, Ahvaz, Iran.


BACKGROUND: Fertilizer management plays an important role to achieve sustainable agriculture.
OBJECTIVES: Current study was conducted to assess response of agrophysiological traits of wheat to apply different level of fertilizer and biologic fertilizer (Phosphorus and Nitrogen).
METHODS: This research was carried out via factorial experiment based on randomized complete blocks design with three replications along 2016 year. The treatments included phosphorus fertilizer (p < sub>1: 100% Triple superphosphate fertilizer, p < sub>2: 70% Triple superphosphate fertilizer + Barvar 2, p < sub>3: 40% Triple superphosphate fertilizer + Barvar 2, p < sub>4: 100% Barvar 2) and nitrogen fertilizer (N1: 100% urea fertilizer, N2: 70% urea fertilizer + Azotobacter, N3: 40% urea fertilizer + Azotobacter).
RESULT: According result of analysis of variance effect of different level of phosphorus, nitrogen fertilizer and interaction effect of treatments on all studied traits (instead harvest index) were significant. Evaluation mean comparison result of interaction effect of treatments on all measured traits revealed the highest amount of seed yield (6740.13 kg.ha-1), 1000-Seed weight (41.33 gr), biologic yield (16061.37 kg.ha-1), number of seed per spike (42.50) and number of spike per square meter (383.72) were noted for N2p < sub>2 (70% Triple superphosphate fertilizer + Barvar 2 and 70% urea fertilizer + Azotobacter) and lowest amount of mentioned traits belonged to N1p < sub>1 (100% urea fertilizer round and 100% Triple superphosphate fertilizer treatment).
CONCLUSION: Generally the results of this experiment showed that different levels of nitrogen and phosphorus were effective on seed yield and its components. Finally based on result of this research use 70% Triple superphosphate fertilizer + Barvar 2 and 70% urea fertilizer + Azotobacter improve crop production of bread wheat and can be advised to farmers. 


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