ABSTRACT

Current soil and agricultural management strategies are mainly dependent on continuous use of inorganic  fertilizers which are industrially manipulated substances, largely water-soluble and  contain high available nutrient concentrations. The study which aimed at evaluating the effect of organic fertilizer on the growth and yield of maize was conducted at the research and teaching farm of  Jigawa state polytechnic Dutse  in dutse Local Government Area of Jigawa  State, Nigeria. The experimental design used was randomized complete block design (RCBD) with sixth treatments the parameters measured were number of leaves, stem girth, plant height . The analysis shows that there were significant difference (p<0.05) among the treatments applied on the parameters measured. It was discovered that treatment of organic fertilizer gave the greatest difference among the treatments. Therefore, based on the findings, organic fertilizer is recommended to farmers for optimum growth and yield of maize production. Key words: Organic fertilizer, Growth and Yield.

TABLE OF CONTENTS

COVER PAGES............................................................................................................................... i

RESEARCH TITLE ....................................................................................................................... ii

DECLARATION........................................................................................................................... iii

CERTIFICATION.......................................................................................................................... iv

DEDICATION.............................................................................................................................. ..v

ACKNOWLEDGMENT............................................................................................................. ...vi

ABSTRACT ................................................................................................................................. vii

CHAPTER ONE............................................................................................................................. 1

1.0 INTRODUCTION..................................................................................................................... 1

1.1 Statement of problem................................................................................................................ 2

1.2 Justification............................................................................................................................... 2

1.3 Aim............................................................................................................................................ 2

1.4 Objectives.................................................................................................................................. 2

1.5 Scope and limitation of organic fertilizer ................................................................................. 2

CHAPTER TWO............................................................................................................................. 3

2.0 Literature review...................................................................................................................... .3

2.1 Conceptual explanation on organic fertilizer NPK................................................................... 3

2.3 Types of organic fertilizer NPK............................................................................................... .4

2.3.1 Nitrogen bioorganic  fertilizer............................................................................................. ...4

2.2.3 Phosphorus bio fertilizer ....................................................................................................... 5

2.3.3 Compost organic-Fertilizers (npk)......................................................................................... 5

2.4 Importance of Organic-Fertilizers Npk..................................................................................... 5

2.4.1 Nitrogen-Fixing Bacteria....................................................................................................... 8

2.4.2 Bacteria Dissolving Phosphorous........................................................................................... 9

2.4.3 Potassium Solute Bacteria  .................................................................................................. 10

2.5 Effect of organic-fertilizers npk on yield maize grown ......................................................... 11

2.6 Roles of organic-fertilizers  npk in crop production............................................................... 13

CHAPTER THRE.............................................................................................................................

3.1 Study Area............................................................................................................................... 15

3.2 Study Design........................................................................................................................... 15

3.3 Materials.................................................................................................................................. 15

3.4.Source...................................................................................................................................... 15

3.5 Application Type..................................................................................................................... 16

CHAPTER FOUR.

4.0 Data analysis and result discussion presentation ................................................................... 18

4.1 Data analysis .......................................................................................................................... 18

CHAPTER FIVE

5.0 Summary................................................................................................................................. 22

5.1Conclusion................................................................................................................................ 23

5.2rcomendation

References

CHAPTER ONE

1.0  INTRODUCTION

Worldwide the most limiting factor for crop production is deteriorating fertility of soils. This problem is even worse for marginal and resource poor farmers, who cannot afford to apply heavy doses of organic fertilizers for crop production. The problem of land deterioration, reduced fertility and rapidly declining agricultural production can be reduced to a greater extent by maintaining the quality of the soil. Apart from mineral and organic matter, the microorganisms are the important constituent of the soil as they affect a number of physical, chemical and biological processes that takes place in the soil (Mohammadi and Sohrabi, 2018). One such option that helps in maintaining the Organic fertilizers npk are the products that contain cells of different microbes which are agriculturally beneficial. They can be further defined as commercial preparations, which contain living or latent cells of efficient strains of microorganisms that help the crop plants in uptake of various .nutrients by their interaction in the rhizosphere. Numerous species of beneficial ,microorganisms are capable to stimulate the growth of plants by a plethora of mechanisms .(Vessey, 2019) The organic fertilizer (npk) can be applied to seeds, plant surface or to soil. Chemical .fertilizers directly increase the soil fertility by adding nutrients into the soil, whereas ,organic fertilizers are helpful in nutrient uptake as their main function in soil is to either fix a .nutrient on soil surface that is subjected to greater loss, or to solubilize a nutrient that is not .available to plants because of fixation on the soil surface. organic fertilizers have a very high potential for N fixation. It has been estimated that 40-250 kg N/ha/year is fixed by different legume crops by the microbial activity of Rhizobium. .Apart from their role in nutrient transformation, they also secrete several growth hormones and ,vitamins, which enhance the seed germination and growth. Further, organic fertilizers are cost .effective and environmental friendly technique and serves as a good supplement to chemical .fertilizers. Thus, it can be concluded that organic fertilizers are intended to improve the nutrient ,uptake and their use efficiency without application of extra doses of inorganic chemicals.

1.1 STATEMENT OF THE PROBLEM

 1. Water, air pollution), reduced input efficiency, decreased food quality, degradation

2. Micronutrient deficiency in soil, toxicity to different beneficial meet the food demands of the world's growing population.

1.2 JUSTIFICATION OF STUDY

This study will help in creating awareness on the effect of organic fertilizer on yield on cereal grown. It will also help to identify the way to which the application of organic fertilizer can be done the study will also help the students and academy research to understand more about organic fertilizer npk

1.3 AIM

1 To analyzed the effect of organic fertilizer npk  on maize grown in

1.4   OBJECTIVE

1 To improve organic fertilizer technology to ensure high quality and improve delivery

To diversified organic fertilizer research application in dry land degras

1.5    SCOPE AND LIMITATION OF OGARNIC.FERTILIZER

This research focuses on the effect of organic fertilizer npk on maize grown in Dutse metropolis. It Does not provide information on other cereal around or outside the designated area

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