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American Journal Of Biomedical Science & Pharmaceutical Innovation    
(ISSN – 2771-2753) 
VOLUME 04 ISSUE 05 PAGES: 8-14 

SJIF IMPACT FACTOR (2022: 5. 705) (2023: 6.534) (2024: 7.7) 
OCLC – 1121105677     

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Publisher: Oscar Publishing Services 

Servi 

 

 

 

 

 

 

 

 

ABSTRACT 

This study investigates the synergistic impact of nitrogen fertilizer application and cultivation practices on maize 

performance in humid environments. Maize, being a staple crop in many regions, is highly responsive to nitrogen 

fertilization and cultivation techniques. However, the interaction between these two factors in humid conditions 

remains relatively unexplored. Field experiments were conducted over multiple growing seasons to assess the 

individual and combined effects of nitrogen fertilizer application and cultivation methods on maize growth, yield, and 

quality parameters. Results indicate that while nitrogen fertilizer significantly enhances maize growth and yield, the 

effect is further amplified when combined with appropriate cultivation practices. Specifically, conservation tillage and 

intercropping systems demonstrated superior performance in maximizing maize productivity and resource utilization 

under humid conditions. These findings underscore the importance of integrating nitrogen fertilization with 

sustainable cultivation practices to optimize maize production in humid environments. 

KEYWORDS 

Maize, nitrogen fertilizer, cultivation practices, humid environment, synergistic effects, conservation tillage, 

intercropping, crop performance. 

INTRODUCTION

  Research Article 

 

CULTIVATING MAIZE: EXPLORING THE SYNERGISTIC IMPACT OF 

NITROGEN FERTILIZER AND CULTIVATION IN HUMID ENVIRONMENTS 
 

Submission Date: April 24, 2024, Accepted Date:  April 29, 2024,  

Published Date: May 04, 2024  

Crossref doi: https://doi.org/10.37547/ajbspi/Volume04Issue05-02 

 

 

Bolanile Unigwe 
Institute of Agricultural Research and Training, Obafemi Awolowo University, Ile-Ife, Moor Plantation, Nigeria 

Journal Website: 

https://theusajournals.

com/index.php/ajbspi 

Copyright: Original 

content from this work 

may be used under the 

terms of the creative 

commons attributes 

4.0 licence. 

 

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Volume 04 Issue 05-2024 9 

                 

 
 

   
  
 

American Journal Of Biomedical Science & Pharmaceutical Innovation    
(ISSN – 2771-2753) 
VOLUME 04 ISSUE 05 PAGES: 8-14 

SJIF IMPACT FACTOR (2022: 5. 705) (2023: 6.534) (2024: 7.7) 
OCLC – 1121105677     

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Publisher: Oscar Publishing Services 

Servi 

Maize (Zea mays L.) is one of the most widely 

cultivated cereal crops globally, serving as a staple 

food source for millions of people. Its adaptability to 

diverse environmental conditions and high 

productivity make it a crucial component of food 

security and agricultural sustainability initiatives. 

However, the optimal cultivation of maize requires 

careful consideration of various factors, including soil 

fertility, water availability, and management practices. 

Among the factors influencing maize productivity, 

nitrogen (N) availability plays a pivotal role due to its 

critical involvement in plant growth, development, and 

yield formation. Nitrogen fertilization has long been 

recognized as a key strategy for enhancing maize 

production by providing the necessary nutrients for 

plant growth. However, the efficacy of nitrogen 

fertilizer application can be influenced by several 

factors, including environmental conditions and 

cultivation practices. 

Humid environments pose unique challenges and 

opportunities for maize cultivation. While ample 

rainfall in humid regions can provide sufficient 

moisture for crop growth, it also presents challenges 

related to nutrient leaching, soil erosion, and disease 

pressure. In such environments, the interaction 

between nitrogen fertilizer application and cultivation 

practices becomes particularly important in 

determining maize performance and productivity. 

Despite the significance of nitrogen fertilizer and 

cultivation practices in maize production, their 

synergistic impact in humid environments remains 

relatively understudied. Understanding how these 

factors interact and influence maize growth, yield, and 

quality parameters is essential for optimizing 

production practices and enhancing agricultural 

sustainability. 

Therefore, this study aims to explore the synergistic 

impact of nitrogen fertilizer application and cultivation 

practices on maize performance in humid 

environments. By conducting field experiments over 

multiple growing seasons, we seek to elucidate the 

individual and combined effects of nitrogen fertilizer 

and cultivation methods on maize productivity and 

resource utilization. Through comprehensive analysis 

and evaluation, we aim to provide insights into 

sustainable approaches for maximizing maize 

production in humid environments, thereby 

contributing to food security and agricultural resilience 

in these regions. 

METHOD 

In investigating the synergistic impact of nitrogen 

fertilizer application and cultivation practices on maize 

performance in humid environments, a rigorous 

process was followed to ensure comprehensive 

analysis and reliable results. The experimental design 

involved selecting suitable field sites characterized by 

high humidity and favorable soil conditions for maize 

cultivation. These sites aimed to capture the variability 

in environmental factors within humid regions. 

 

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Volume 04 Issue 05-2024 10 

                 

 
 

   
  
 

American Journal Of Biomedical Science & Pharmaceutical Innovation    
(ISSN – 2771-2753) 
VOLUME 04 ISSUE 05 PAGES: 8-14 

SJIF IMPACT FACTOR (2022: 5. 705) (2023: 6.534) (2024: 7.7) 
OCLC – 1121105677     

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Publisher: Oscar Publishing Services 

Servi 

Nitrogen fertilizer application was meticulously 

implemented using a randomized complete block 

design (RCBD), with varying application rates ranging 

from no nitrogen to optimal rates based on soil tests 

and crop demand. Calibration of equipment ensured 

uniform and accurate application across experimental 

plots. Concurrently, cultivation practices such as 

conventional tillage, conservation tillage, and 

intercropping systems were applied to evaluate their 

synergistic effects with nitrogen fertilization. 

Field experiments were conducted over multiple 

growing seasons in humid environments to assess the 

synergistic impact of nitrogen fertilizer application and 

cultivation practices on maize performance. 

Experimental plots were established in areas 

characterized by high humidity and favorable soil 

conditions for maize cultivation. The selection of 

experimental sites aimed to capture the variability in 

environmental factors such as rainfall distribution and 

soil fertility within the humid region. 

 

 

A randomized complete block design (RCBD) was 

employed to allocate treatments and control for 

potential sources of variation. Different nitrogen 

fertilizer rates were applied to experimental plots 

using calibrated equipment to ensure uniformity and 

accuracy. Fertilizer application rates were determined 

based on local recommendations and previous 

research on nitrogen requirements for maize in humid 

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Volume 04 Issue 05-2024 11 

                 

 
 

   
  
 

American Journal Of Biomedical Science & Pharmaceutical Innovation    
(ISSN – 2771-2753) 
VOLUME 04 ISSUE 05 PAGES: 8-14 

SJIF IMPACT FACTOR (2022: 5. 705) (2023: 6.534) (2024: 7.7) 
OCLC – 1121105677     

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Publisher: Oscar Publishing Services 

Servi 

environments. Treatments included varying levels of 

nitrogen fertilization, ranging from no nitrogen 

application to optimal nitrogen rates based on soil 

tests and crop demand. 

 

 

Experimental plots were subjected to different 

cultivation practices to evaluate their synergistic 

effects with nitrogen fertilizer application on maize 

performance. Cultivation practices included 

conventional tillage, conservation tillage, and 

intercropping systems. Conventional tillage involved 

traditional plowing and seedbed preparation methods, 

while conservation tillage methods aimed to minimize 

soil disturbance and erosion through reduced tillage or 

no-till practices. Intercropping systems involved 

planting maize with leguminous or non-leguminous 

companion crops to enhance resource utilization and 

improve soil fertility. 

Throughout the growing seasons, data on maize 

growth, development, and yield parameters were 

collected at regular intervals. Measurements included 

plant height, leaf area index, biomass accumulation, 

ear characteristics, grain yield, and quality parameters 

such as protein content and nutrient composition. 

Statistical analysis, including analysis of variance 

(ANOVA) and mean separation tests, was performed 

to evaluate the effects of nitrogen fertilizer application 

and cultivation practices on maize performance. Data 

analysis aimed to identify significant interactions 

between nitrogen fertilization and cultivation methods 

and quantify their synergistic impact on maize 

productivity in humid environments. 

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Volume 04 Issue 05-2024 12 

                 

 
 

   
  
 

American Journal Of Biomedical Science & Pharmaceutical Innovation    
(ISSN – 2771-2753) 
VOLUME 04 ISSUE 05 PAGES: 8-14 

SJIF IMPACT FACTOR (2022: 5. 705) (2023: 6.534) (2024: 7.7) 
OCLC – 1121105677     

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Publisher: Oscar Publishing Services 

Servi 

 

 

To ensure the robustness and reliability of the findings, 

experimental treatments were replicated across 

multiple blocks and growing seasons. Replicated 

experiments allowed for the validation of results and 

the assessment of consistency in treatment effects 

across different environmental conditions. Data from 

multiple replicates were pooled and analyzed 

collectively to provide comprehensive insights into the 

synergistic impact of nitrogen fertilizer application and 

cultivation practices on maize performance in humid 

environments. 

Throughout multiple growing seasons, data on maize 

growth, development, and yield parameters were 

collected at regular intervals. These included plant 

height, leaf area index, biomass accumulation, ear 

characteristics, grain yield, and quality parameters like 

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Volume 04 Issue 05-2024 13 

                 

 
 

   
  
 

American Journal Of Biomedical Science & Pharmaceutical Innovation    
(ISSN – 2771-2753) 
VOLUME 04 ISSUE 05 PAGES: 8-14 

SJIF IMPACT FACTOR (2022: 5. 705) (2023: 6.534) (2024: 7.7) 
OCLC – 1121105677     

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Publisher: Oscar Publishing Services 

Servi 

protein content and nutrient composition. Statistical 

analysis, employing methods such as analysis of 

variance (ANOVA), enabled the assessment of 

significant interactions between nitrogen fertilization 

and cultivation methods on maize performance. 

To validate results and ensure reliability, experimental 

treatments were replicated across multiple blocks and 

growing seasons. This approach allowed for the 

assessment of treatment consistency across varying 

environmental conditions, enhancing the robustness 

of the findings. By meticulously following this process, 

comprehensive insights were gained into the 

synergistic impact of nitrogen fertilizer application and 

cultivation practices on maize productivity in humid 

environments, thus contributing to advancements in 

sustainable maize production practices. 

RESULTS 

The investigation into the synergistic impact of 

nitrogen fertilizer application and cultivation practices 

on maize performance in humid environments yielded 

valuable insights. Across multiple growing seasons, 

significant interactions were observed between 

nitrogen fertilization and cultivation methods, 

influencing maize growth, yield, and quality 

parameters. Nitrogen fertilizer application led to 

increased biomass accumulation, improved ear 

characteristics, and enhanced grain yield. However, 

the effect was further amplified when combined with 

conservation tillage and intercropping systems, 

indicating synergistic benefits in resource utilization 

and soil health. 

DISCUSSION 

The results underscore the importance of integrating 

nitrogen fertilization with sustainable cultivation 

practices to optimize maize productivity in humid 

environments. Conservation tillage and intercropping 

systems demonstrated superior performance in 

enhancing maize growth and yield, likely due to their 

ability to minimize soil disturbance, reduce erosion, 

and improve nutrient availability. These cultivation 

practices promote soil conservation and microbial 

activity, enhancing nutrient cycling and water 

retention, thus mitigating the adverse effects of high 

humidity on maize production. 

Furthermore, the synergistic effects observed 

between nitrogen fertilization and cultivation methods 

highlight the potential for integrated management 

strategies to enhance maize resilience to 

environmental stressors. By adopting a holistic 

approach that considers both nutrient management 

and soil conservation practices, farmers can maximize 

maize productivity while minimizing environmental 

impact. 

CONCLUSION 

In conclusion, the synergistic impact of nitrogen 

fertilizer application and cultivation practices on maize 

performance in humid environments offers promising 

avenues for enhancing agricultural sustainability and 

resilience. Conservation tillage and intercropping 

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Volume 04 Issue 05-2024 14 

                 

 
 

   
  
 

American Journal Of Biomedical Science & Pharmaceutical Innovation    
(ISSN – 2771-2753) 
VOLUME 04 ISSUE 05 PAGES: 8-14 

SJIF IMPACT FACTOR (2022: 5. 705) (2023: 6.534) (2024: 7.7) 
OCLC – 1121105677     

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Publisher: Oscar Publishing Services 

Servi 

systems, when combined with appropriate nitrogen 

fertilization, demonstrate synergistic benefits in 

maximizing maize productivity and resource 

utilization. These findings underscore the importance 

of adopting integrated management strategies that 

consider both nutrient management and soil 

conservation practices to optimize maize production in 

humid environments. By harnessing the synergistic 

effects of nitrogen fertilization and cultivation 

methods, farmers can cultivate maize more 

sustainably, ensuring food security and environmental 

stewardship in humid regions. 

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2. Badagliacca G, Ghinassi G, Giambastiani Y, Ferrara 

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