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Envisaging the Response of Wheat (Triticum aestivum L) under Different Phosphorus Doses and Methods of Application

Envisaging the Response of Wheat (Triticum aestivum L) under Different Phosphorus Doses and Methods of Application

Wajiha Anum1*, Liaquat Ali1, Umair Riaz2*, Abid Ali1, Nadia Manzoor3, Laal Hussain Akhter4, Asad Ur Rahman5, Naeem Maan6 and Ijaz Ahmad

1Department of Agronomy, Regional Agricultural Research Institute Bahawalpur-63100, Pakistan; 2Soil and Water Testing Laboratory for Research, Bahawalpur-63100, Pakistan; 3Department of Soil Science, Regional Agricultural Research institute-63100, Bahawalpur, Pakistan; 4Guar Research Centre, Regional Agricultural Research institute-63100, Bahawalpur, Pakistan; 5Department of Pathology, Regional Agricultural Research institute-63100, Bahawalpur, Pakistan; 6Department of Entomology, Regional Agricultural Research institute Bahawalpur, Pakistan; 7EcotoxicologyResearch Program, National Agricultural Research Centre, Islamabad, Pakistan.

Wajiha_anum@live.com, umairbwp3@gmail.com
 

ABSTRACT

Nutrient deficit soils pose serious threats to healthy wheat crop growth. Among the major nutrients, Phosphorus (P) stands at a significant position for providing aid in seed and fruit formation, energy provision, photosynthesis, and continuation of metabolic function in plants. However, it is not readily available to the crop because of its immobile nature. In order to ensure its efficient uptake by crop, an experiment was conducted to appraise the effect of various P placement methods and fertilizer rates on wheat. The fertilizer treatments were F1=150-00-60 NPK kilogram/hectare, F2=150-30-60 NPK kilogram/hectare, F3=150-60-60 NPK kilogram/hectare, F4=150-90-60 NPK kilogram/hectare, F5=150-120-60 NPK kilogram/hectare. While the placement methods were M1=Line sowing + Band application of phosphorus, M2=Line sowing +Broadcast application of Phosphorus at sowing, M3=Line sowing + Broadcast application of P at first irrigation. Yield and yield determining parameters were measured along with phosphorus stress factor, agronomic P use efficiency, and economic analysis. The results revealed that the band placement method gave the highest yield in comparison to the broadcast at sowing and broadcast at first irrigation. The best P fertilizer rate was identified as 150-120-60 NPK kg/ha. It has been recommended that wheat, when sown under band placement @ 120 kg/ha, gave maximum grain yield. 

 

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Pakistan Journal of Agricultural Research

June

Vol. 33, Iss. 2, Pages 192-421

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