Effect of Nitrogen, Phosphorus and Potassium on Plant Growth and Flower Yield of Hibiscus

Table of Contents

I. INTRODUCTION

II. REVIEW OF LITERATURE

III. MATERIALS AND METHODS

IV. RESULTS AND DISCUSSION

V. SUMMARY AND CONCLUSION

Research Objective and Topics

This thesis investigates the effect of NPK fertilization on the vegetative growth and floral yield of Hibiscus rosa-sinensis. The core objective is to identify the most suitable NPK treatment to optimize plant development and flowering, while concurrently analyzing the economic viability of these different nutrient regimens.

• Impact of nitrogen, phosphorus, and potassium on morphological plant traits.
• Evaluation of flowering parameters, including bud initiation and blossom size.
• Comparative analysis of different NPK dosage levels on flower production.
• Economic analysis of cost-benefit ratios for commercial cultivation.
• Correlation between nutrient application and floral quality metrics.

Excerpt from the Book

Summary of Chapters

I. INTRODUCTION: Provides an overview of Hibiscus botany, propagation importance, and the physiological necessity of macronutrients like N, P, and K for plant development.

II. REVIEW OF LITERATURE: Consolidates previous research findings on the impacts of integrated nutrient management and specific NPK dosage applications on various ornamental and horticultural plant species.

III. MATERIALS AND METHODS: Details the experimental site, climatic conditions of Prayagraj, layout design, treatment protocols, and specific techniques for recording growth and floral observations.

IV. RESULTS AND DISCUSSION: Presents the statistical findings and analytical interpretations regarding plant height, branching, flowering phenology, and economic return on investment for each treatment group.

V. SUMMARY AND CONCLUSION: Synthesizes the core findings, confirming treatment T4 as the optimal strategy for maximizing Hibiscus productivity and profitability.

Keywords

Hibiscus rosa-sinensis, NPK fertilizer, plant growth, flower yield, macronutrients, nitrogen, phosphorus, potassium, nutrient management, horticulture, ornamental plants, floral phenology, cost-benefit ratio, agriculture, crop production.

Frequently Asked Questions

What is the core focus of this research?

The research examines the quantitative effects of varying NPK (Nitrogen, Phosphorus, Potassium) fertilizer application rates on the growth characteristics and flower production of Hibiscus rosa-sinensis.

What are the key areas of study in this thesis?

The study focuses on plant morphology (height, number of leaves and branches), flowering traits (bud initiation, flowering days, flower weight, and diameter), and the economic trade-offs associated with fertilizer application.

What is the primary objective of the experiment?

The primary aims are to determine the optimal nutrient combination for superior Hibiscus vigor and yield, and to calculate which treatments offer the best financial returns.

Which scientific methodology was employed?

The experiment utilized a randomized block design (RBD) involving 12 distinct treatment combinations, with data subjected to ANOVA (Analysis of Variance) to determine statistical significance.

What does the main body of the work cover?

It covers observational data gathered over 180 days after planting, including detailed meteorological summaries, soil analysis, and comparative performance metrics broken down by NPK levels.

Which keywords define this work?

The work is defined by terms such as Hibiscus, NPK fertilization, floral development, cost-benefit analysis, and nutrient efficacy in ornamental horticulture.

What specific findings were noted for treatment T4?

Treatment T4 (100:105:105 gram per plant) consistently yielded the best performance metrics, including maximum plant height, number of branches, flower diameter, and the highest cost-benefit ratio of 1:1.46.

How did nutrient levels impact flower initiation?

The study found that the balanced nutrient levels in treatment T4 resulted in the minimum number of days to bud initiation, suggesting that appropriate fertilization significantly accelerates the reproductive transition in Hibiscus.