Response of Cauliflower (Brassica oleracea L. var. botrytis) Cultivars to Varying Phosphorus Levels. A Case Study of Northern Punjab

Authors

  • Abdul Waheed Soil & Water Testing Laboratory, Rawalpindi, Pakistan
  • Wajiha Anum Regional Agricultural Research Institute, Bahawalpur, Pakistan
  • Abdul Ghaffar Khan Soil Fertility Research Institute, Punjab, Lahore, Pakistan
  • Allah Nawaz Soil Chemistry Section, Ayub Agricultural Research Institute, Faisalabad, Pakistan
  • Taimoor Tahir Cheema Department of Agricultural Engineering, University of Agriculture, Faisalabad, Pakistan
  • Raja Ahmad Raza Soil & Water Testing Laboratory, Rawalpindi, Pakistan
  • Bashir Ahmad Soil & Water Conservation Research Station, Fateh Jang, Attock, Pakistan
  • Nadeem Raza Soil Fertility Section, Ayub Agricultural Research Institute, Faisalabad, Pakistan
  • Sher Afzal Soil & Water Testing Laboratory, Jhelum, Pakistan
  • Saeed Ur Rehman Soil & Water Testing Laboratory, Bahawalpur, Pakistan
  • Muhammad Shoaib Aslam Soil & Water Testing Laboratory, Jhelum, Pakistan
  • Arif Husain Department of Soil And Environmental Sciences, Ghazi University, Dera Ghazi Khan, Pakistan
  • Naveed Iqbal Khan Soil &Water Testing Laboratory, Muzaffargarh, Pakistan
  • Sajid Ali Soil & Water Testing Laboratory, Jhang, Pakistan
  • Saima Nazar Soil & Water Testing Laboratory, Hafizabad, Pakistan
  • Abid Ali Regional Agricultural Research Institute, Bahawalpur, Pakistan

DOI:

https://doi.org/10.31580/pjmls.v8i1.3222

Keywords:

Attock, Brassica oleracea L., Cauliflower, Phosphorus, Yield

Abstract

Cauliflower is one of the most widely produced vegetables in almost everywhere in the world; however, achieving higher yields per hectare remains a significant challenge for Pakistani farmers. Cultivation of high-yielding varieties necessitates the use of proper rate and balance of fertilization. Therefore, it is imperative to investigate the appropriate and balanced dose of fertilization to achieve the yield potential. The aim of this study is to investigate the response of different cauliflower varieties to various phosphorus levels at the farmers’ field in district Attock during 2019-20.The research utilized a randomized complete block design with a split-plot arrangement, considering two factors: phosphorus levels (0, 50, 100, 150 kg ha⁻¹) and cauliflower varieties (Malaika, Glacier, Garma and Snow ball), with three replications. The results indicated that the response of varieties and phosphorus levels was significant and affected growth and yield parameters. At a phosphorus level of 150 kg P₂O₅ ha⁻¹, the maximum number of leaves per plant (23.292), days to curd initiation (103.38), curd diameter (29.357 cm), Head weight(29.5 Kg)and yield per hectare (32.373 tons) were recorded. Control plots showed the lowest values for all parameters. Among the varieties, Garma exhibited the highest metrics, with 23.125 leaves per plant,108.79 days to curd initiation, a curd diameter of 30.043 cm, Curd weight 28.833 Kg and a yield of 32.129 tons per hectare. It was also observed that the variety Snow ball took least no. of days to attain maturity(106.62days).The study examining the interaction between phosphorus levels and crop varieties found that the highest yield (32.373 tons/ha) was obtained with the application of phosphorus at 150 kg/. Therefore, it is recommended that farmers in the Northern Punjab region use 150 kg/ha of phosphorus along with the Garma variety to achieve the best results.

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Published

2025-03-31

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Vol. 8 No. 1 (2025): January-March 2025

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