Response of Morphological Traits and Seed Protein Content of Bread Wheat to Apply Different Level of Biological and Chemical Fertilizers
الموضوعات :
Reza Dashtbozorgi
1
(Msc. Graduated, Department of Agronomy, Ahvaz Branch, Islamic Azad University, Ahvaz, Iran.)
Shahram Lack
2
(Professor, Department of Agronomy, Ahvaz Branch, Islamic Azad University, Ahvaz, Iran.)
الکلمات المفتاحية: Nutrition, phosphorus, Spike length, Yield</i>, <i>Leaf area index,
ملخص المقالة :
BACKGROUND: Nutrient management may be achieved by the involvement of organic sources, bio-fertilizers, and micro-nutrients. Indiscriminate use of chemical fertilizers to achieve high yield and to compensate for lack of nutrients and consequently the increase of production costs and destruction of soil and water resources have made the specialists interested in healthy and stable crop systems in terms of ecology.OBJECTIVES: This research was done to assess effect of different levels of biologic and chemical fertilizer on quantitative and qualitative characteristics of Bread wheat.METHODS: Current study was conducted according split plot experiment based on completely randomized block design with three replications. The main plot included Biofertilizer at two levels (a1: nonuse of biofertilizer, a2: use of biofertilizer) also the chemical fertilizer in six levels (b1: nonuse of fertilizer use, b2: 100% triple superphosphate, b3: 100% liquid phosphorus, b4: 50% triple superphosphate + 50% phosphorus liquid, b5: 75% triple superphosphate + 25% liquid phosphorus, b6: 25% triple superphosphate + 75% liquid phosphorus) were belonged to sub-plot.RESULT: According result of analysis of variance effect of different level of Biofertilizer, phosphorus fertilizer and interaction effect of treatments on all measured traits was significant. Evaluation mean comparison result of interaction effect of treatments on all measured traits revealed the highest amount of seed yield (488.4 gr.m-2), plant height (95.2 cm), spike length (11.4 cm), leaf area index (5.4) and seed protein content (14%) were noted for use of biofertilizer and 75% triple superphosphate + 25% liquid phosphorus and lowest amount of mentioned traits belonged to control treatment.CONCLUSION: Generally apply 75% triple superphosphate + 25% liquid phosphorus treatment resulted in an increase of about 22.5% compared to the control treatments and can be advised to producers in studied region.
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