THE INFLUENCE OF PHOSPHORUS FERTILIZER RATE ON GROWTH, YIELD AND SOME COMPETITIVE INDICES OF CORIANDER AND FENUGREEK IN ROW INTERCROPPING SYSTEM

Document Type : Original Article

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Hort. Dept., Fac. Agric., Zagazig Univ., Egypt

Abstract

To evaluate the influence of different phosphorus fertilizer rate (0.0, 15, 30 and 45 kg P2O5/feddan) and intercropping systems (sole planting of both crops as control, 1: 1, 2: 2 and 2: 3 as row ratio between coriander: fenugreek, respectively), a field experiment was done at a Privet Farm, Abo-Hammad District, Sharkia Governorate, Egypt. This experiment was established during 2023/ 2024 and 2024/2025 seasons. The main plot was occupied with intercropping systems and the subplot was occupied with phosphorus fertilizer in a split plot design with three replicates. The results cleared that the tallest coriander and fenugreek plants were obtained under 2: 2 intercropping system compared to the other systems under study. The highest coriander branch number and heaviest herb dry weight and fruit yield per plant were noticed when 2 coriander rows alternated with 3 fenugreek rows intercropping system. Under the same intercropping system (2: 3 system), fenugreek plant recorded the highest pods number and seed yield per plant compared to the other intercropping systems. Fertilizing coriander and fenugreek plants with 45 kg P2O5/feddan significantly increased growth and yield traits compared to any phosphorus rate under study. In general, the highest land equivalent ratio (1.35 and 1.39) values were obtained under 2: 3 system. The best combination treatment regard LER (1.43 and 1.41) was 2: 3 combined with 15 kg P2O5/feddan. Coriander plants were a predominant component (it has a positive signs), while, fenugreek plants were defeated one (it has a negative signs). 

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Zagazig Journal of Agricultural Research
Volume 52, Issue 5
September and October 2025
Pages 1071-1083

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