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Pakistan Journal of Nutrition

Year: 2012  |  Volume: 11  |  Issue: 9  |  Page No.: 885 - 890

Optimizing the Method and Source of Phosphatic Nutrition for Wheat (Triticum astivum L.) Under Agro-Climate of Dera Ghazi Khan, Pakistan

M. Mudassar Maqbool, Maqbool Ahmad, Anser Ali, Rashid Mehmood, Muhammad Ahmad and Muhammad Sarwar

Abstract

In agricultural system, the application of Phosphorous (P) to the soil is essential to make sure the crop productivity as the recovery of applied P by crops becomes very low during growth period. The way, phosphorus is applied is also critical in wheat growth and development. For this purpose a field experiment was conducted to study the effect of different P fertilizers and their methods of application on wheat growth and yield. Different Phosphorus fertilizers Mono-Ammonium Phosphate (MAP), Di-ammonium Phosphate (DAP) and Triple Super Phosphate (TSP) @ 100 kg ha-1 were applied through: broadcasting, application with the seed, application 5 cm to the right and left of the seed and 5 cm below the seed. The effects of MAP, DAP and TSP on the characteristics examined was non-significant. However, effects of application methods on plant height, the number of plants m-2, biological and grain yield were found to be highly significant. The maximum grain yield was obtained from application of phosphorus 5 cm below the seed as compare with any other method. It was concluded that the method of P application 5 cm below the seed is successful agro-technique to improve and sustain the wheat growth.

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