Growth Performance and Yield of Sweet Corn Grown on Rasau Series Soil Under Organic Amendments

Résumé

Soil health and food safety are giving more reasons to researchers in the field of organic farming to study the alternative means of soil amendments in place of chemical farm inputs. A 4x2 factorial field experiment in Randomized Complete Block Design (RCBD) replicated four times was carried out at Universiti Malaysia Terengganu, Bukit Kor campus to determine the impact of different chicken manure rates and Arbuscular Mycorrhizal Fungi (AMF) inoculation on growth performance and yield of sweet corn. The factors used for this study are chicken manure rates (CM) at four levels CM1 (control), CM2 (25t/ha), CM3 (50t/ha) and CM4 (75t/ha). While the 2nd-factor Arbuscular Mycorrhizal Fungi (AMF) at two levels M1 (with AMF inoculation) and M2 (without AMF inoculation). Growth parameters (plant height, stem girth and leaf number) were measured at 4, 6 and 8 weeks after planting (WAP) and cob yield parameters (length, girth, and weight) were recorded after harvest. Data collected were statistically (p<0.05) analysed using analysis of variance (ANOVA) with Statistical Analysis System (SAS) software version 9.4. Means separated using Duncan's Multiple Range Test (DMRT), chicken manure at the rate of 50t/ha was statistically superior to the control (CM1) treatment and 25t/ha (CM2) in both growth and yield of sweet corn. Single sole application of chicken manure at the rate of 50t/ha can significantly improve the growth performance and yield of sweet corn.

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