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VOL. 11, ISSUE 1 (2026)
Partial substitution of chemical fertilizer with bio-enriched fertilizer and poultry manure on the growth and yield of Cucumis anguria L.
Authors
D M Niluka viraj, Somasundaram Sutharsan
Abstract
This experiment evaluated the effects of
partially substituting chemical fertilizer with bio-enriched fertilizer and
poultry manure on the growth and yield performance of Cucumis anguria L.
grown in polybags in the dry zone of Sri Lanka. The experiment was carried out
in a Complete Randomized Design (CRD) with the following treatments; T1-
Control, T2 - Inorganic fertilizer (75%) + Cocoly fertilizer, T3 - Inorganic fertilizer
(50%) + Cocoly fertilizer, T4 - Inorganic fertilizer (25%) + Cocoly fertilizer,
T5 - Inorganic fertilizer (75%) + poultry manure, T6 - Inorganic fertilizer
(50%) + poultry manure, T7 - Inorganic fertilizer (25%) + poultry manure with
five replicates. The results showed that T2 significantly enhanced all
vegetative growth parameters of Cucumis anguria L. at 8 WAP including
vine length (21.3%), number of leaves (29.64%), leaf area (48.59%), number of
branches (30.76%), root length (9.88%), and fresh shoot weight (25.61%) and dry
shoot weight (13.57%) and fresh weight of root (37.82%) and dry weight of roots
(27.57%). Although no significant difference in total yield was observed
between T2 and T3, T2 produced the highest total yield of 23.57 tons per
hectare, compared to 10.35 tons per hectare in the control treatment (T1). T2
recorded the highest profitability with a net return of Rs. 865,101.00/ha,
establishing it as the most profitable treatment combination. Based on these
findings, partial substitution of chemical fertilizer (75%) with cocoly
fertilizer shows considerable potential to enhance the growth and yield of Cucumis
anguria L., in polybag cultivation thereby promoting profitable cultivation
in the dry zone of Sri Lanka.
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Pages:1-6
How to cite this article:
D M Niluka viraj, Somasundaram Sutharsan "Partial substitution of chemical fertilizer with bio-enriched fertilizer and poultry manure on the growth and yield of <i>Cucumis anguria</i> L.". International Journal of Botany Studies, Vol 11, Issue 1, 2026, Pages 1-6
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