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Title

TIMING AND RATE OF PHOSPHORUS APPLICATION INFLUENCE MAIZE PHENOLOGY, YIELD AND PROFITABILITY IN NORTHWEST PAKISTAN

Pages

  281-291

Abstract

 Phosphorus (P) is the second most important crop nutrient after nitrogen that increases productivity and profitability of MAIZE (ZEA MAYS L.) on P deficient soils in Northwest Pakistan. The objective of this study was to find the best level and time of P application for higher MAIZE (cv. Azam) productivity and profitability. Field experiment was conducted at the Research Farm of Khyber Pakhtunkhwa Agricultural University, Peshawar during summer 2005, comprising of six P application timings [40, 30, 20 and 10 days before sowing (DBS), at sowing and 15 days after sowing (DAS)] as main plots, and three P levels (30, 60 and 90 kg P ha-1) as subplots. The highest level of P enhanced phenological development, and increased ear length, number of rows and grains ear-1, grain weight, economic yield, shelling percentage, and net returns. Application of P at 10 DBS had marked increase in ear length, grain weight, grain yield, shelling percentage and net returns; while plots that received P at sowing time produced the highest number of rows and grains ear-1. There was no much difference in the net returns when P was applied at 10 DBS (22, 560 PKR ha-1) or at sowing (21, 883 PKR ha-1). It could be concluded from the study that application of 90 kg P ha-1 either at 10 DBS or at sowing time is necessary for profitable MAIZE production in the study area.

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    APA: Copy

    AMANULLAH, -, ZAKIRULLAH, M., & KHALIL, S.K.. (2010). TIMING AND RATE OF PHOSPHORUS APPLICATION INFLUENCE MAIZE PHENOLOGY, YIELD AND PROFITABILITY IN NORTHWEST PAKISTAN. INTERNATIONAL JOURNAL OF PLANT PRODUCTION, 4(4), 281-291. SID. https://sid.ir/paper/314586/en

    Vancouver: Copy

    AMANULLAH -, ZAKIRULLAH M., KHALIL S.K.. TIMING AND RATE OF PHOSPHORUS APPLICATION INFLUENCE MAIZE PHENOLOGY, YIELD AND PROFITABILITY IN NORTHWEST PAKISTAN. INTERNATIONAL JOURNAL OF PLANT PRODUCTION[Internet]. 2010;4(4):281-291. Available from: https://sid.ir/paper/314586/en

    IEEE: Copy

    - AMANULLAH, M. ZAKIRULLAH, and S.K. KHALIL, “TIMING AND RATE OF PHOSPHORUS APPLICATION INFLUENCE MAIZE PHENOLOGY, YIELD AND PROFITABILITY IN NORTHWEST PAKISTAN,” INTERNATIONAL JOURNAL OF PLANT PRODUCTION, vol. 4, no. 4, pp. 281–291, 2010, [Online]. Available: https://sid.ir/paper/314586/en

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