EFFECTS OF FERTILIZER TYPE AND HARVESTING TIME ON YIELD OF CASSAVA (Manihot esculenta Crantz) IN IBADAN, NIGERIA
- Project Research
- 1-5 Chapters
- Abstract : Available
- Table of Content: Available
- Reference Style: APA
- Recommended for : Student Researchers
- NGN 5000
ABSTRACT
Cassava productivity is limited by soil fertility status and maturity period. Frequently used mineral fertilizer is expensive and detrimental to soil health and productivity while information on specific harvest period is scarce. Thus, studies were conducted to assess the influence of Organomineral Fertilizer (OF) and harvesting period on cassava yield. Field experiments were conducted at Ajibode and Oluana in Ibadan. Five OF rates (1.5, 2.5, 3.5, 4.5, 6.0 t/ha), NPK 15:15:15 at 600 kg/ha and No Fertilizer (NF) treatments were evaluated on the performance of two cassava varieties: TMS 30572 (V1) and TMS 92/0326 (V2). Cassava (main plot) was planted at 10,000 plants per hectare and fertilizer (sub-plot) applied at planting using a split-plot arrangement in a randomized complete block design with three replicates. After harvest at 12 Months After Planting (MAP), cassava was replanted in-situ without fertilizer application to assess the residual effects of fertilizer. Optimum fertilizer rate was selected based on cassava performance and subsequently used to assess the best period of harvest at 9, 12, 15 and 18 MAP. Data on Plant Height (PH) and Number of Leaves (NL) at 1-6 MAP, Shoot Yield (SY), Root Yield (RY), Harvest Index (HI) and Root Dry Matter Yield (RDMY) were analysed using ANOVA at p= 0.05. The mean NL (118 ± 0.37) at 6 MAP obtained with 3.5 t OF/ha was significantly higher than that of NF (82) treatment. Similar result was obtained for SY and PH while RY (36.5, 31.8 ± 0.49 t/ha) recorded in 2.5 and 3.5 t OF/ha treatments respectively were significantly higher than NF (21.5 t/ha). The same results were obtained for RDMY and HI. The RDMY of V2 (12.3 ± 0.67 t/ha) was significantly higher than for V1 (10.5 ± 0.41 t/ha). Highest RDMY (13.2 t/ha) obtained with 2.5 t OF/ha was comparable with yields of higher rates of OF and NPK. Residual effects of OF rates above 1.5 t/ha produced significantly higher RY of 36.8 t/ha (4.5 t/ha) > 36.7 t/ha (6.0 t/ha) >35.9 t/ha (3.5 t/ha) >31.6 t/ha (2.5 t/ha) than NPK (19.8 t/ha) and NF (18.9 t/ha) in the first season. Similar trend was observed in the following season on RDMY and HI. The RDMY of 17.6 t/ha iii and 17.2 t/ha obtained at 15 MAP (V2 and V1 respectively) were significantly higher than that obtained at 9 MAP (6.6, 10.9 t/ha) and 12 MAP (7.1, 11.8 t/ha) in V1 and V2 respectively. The RDMY of V1 (18.8 t/ha) and V2 (13.2 t/ha) at 18 MAP were comparable with that obtained at 15 MAP. Application of OF at 2.5 t/ha and NPK produced RDMY of 15.0 t/ha and 14.2 t/ha respectively which were significantly higher than that of NF (7.8 ± 0.54 t/ha). Optimum root yield of cassava was obtained with application of 2.5 t/ha of organomineral fertilizer. One application supported optimum crop yields in two cropping seasons. The best time to harvest TMS 30572 and 92/0326 in Ibadan was at 15 months after planting.
Related Project Materials
An examination of gender-based violence and its impact on women’s mental health in Oron Local Government Area, Akwa Ibom State
Background of the Study
Gender-based violence (GBV) is a pervasive issue that significantly affects women...
The influence of informal education on students' participation in community development in Dutsin-Ma Local Government Area, Katsina State
Background of the Study
Community development is fundamentally enhanced when individuals actively participate in social, e...
ASSESSMENT OF SENSATION SEEKING BEHAVIOUR AMONG NIGERIAN UNIVERSITY STUDENTS IN FCT, ABUJA
ABSTRACT
Sensation seeking is a personality trait that motivates individuals to indulge in risky behaviours to achieve novel experiences...
KNOWLEDGE AND ATTITUDE OF NURSING MOTHERS ON EXCLUSIVE BREASTFEEDING
Abstract
This project aimed at ascertaining the knowledge, practice, attitudes, feelings and some beliefs of exclusive b...
MODELLING AND SIMULATION OF A REFINERY FLUID CATALYTIC CRACKING UNIT RISER
ABSTRACT
The purpose of this work is to model and simulate the Fluid Catalytic Cracking Unit (FCCU) riser of a refinery having Kaduna Ref...
THE IMPACT OF REMOTE LEARNING TECHNOLOGIES ON VOCATIONAL EDUCATION
Abstract: The impact of remote learning technologies on vocational education is transformat...
THE ROLE OF ALTMETRICS IN EVALUATING RESEARCH IMPACT AMONG LECTURERS AT DELTA STATE UNIVERSITY, ABRAKA, DELTA STATE
Background of the Study
Altmetrics, or alternative metrics, have emerged as a complement to traditional citation-based eval...
ASSESSMENT ON VIGILANTISM AND CRIME CONTROL IN CONTEMPORARY NIGERIA
BACKGROUND OF THE STUDY
Any society that wishes to thrive must fulfill the social pre-requisite of providing appropriat...
INVESTIGATING THE PERFORMANCE OF DIFFERENTTIAL PROTECTION SCHEME OF POWER TRANSFORMER
Background of the Study
The basic scheme of differential relaying is explained with reference to the diagram below Fig.1.1:Basic Scheme o...
Role of Accounting Information System in Enhancing Budgetary Efficiency in Akwanga Local Government Area
Background of the Study
Efficient budgeting is essential for the proper allocation of resources in loca...
