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PROJECT TOPIC: COMPARATIVE INVESTIGATION OF THE GERMINATION AND EARLY GROWTH OF TWO AGROFORESTRY TREE SPECIES IN THE NURSERY

Project Body:


CHAPTER ONE

BACKGROUND OF THE STUDY

1.0 INTRODUCTION

A forest is a large wooded area having a thick growth of trees and other plants. The importance of trees and shrubs to man, animal, and the environment are numerous. Trees and other plants of the forest act as filter which cleans the air we breath. Clean air is of great value to human health. Chacolo and Pineae (1991), Smith (1978) and Desanto (1976).

The tern phytoremediation is a word for the absorption of dangerous chemicals and other pollutants that are harmful into less harmful forms, Pollard (1977). They also further sewage farm chemicals reduce road side spills and clean water runoff into streams. Noise pollution is known to be controlled by trees, Chacolo and Pineace (1991). Apart from facilitating climatic modification Muller (1998), trees are source of fuel wood, cline Cole (1990) and shepherd (1990) land scape enhancement, Fortnnann and Riddell (1985) one can derive useful substances from trees such as spice, fibre, medicine which are non-timber species Smith (1992). Trees are sources of timber. They facilitate to some extent food security and improved nutrition, Thannan (1987). The intensity of solar energy radiation that reaches our vicinity is controlled to some extent by trees through solar energy blocking offered by these trees Muller (1988). Apart from all of these trees are also known to produce oxygen, enable wind break, carbon (iv) oxide-sequestering and Green house effect, Go Green (2009).

Agroforestry, compound tree planting protection plantation, aesthetic plantation, production plantation are practices that enhance the raising of tree crops by various people and communities. Agroforestry is a system of land use in which harvestable trees and crops are grown among or around crops or on pasture land as means of preserving or enhancing the productivity of the land. it is defined as a method of farming integrating herbaceous and tree crop.


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