Abstract
This study examined comparative studies on nutrients needs and uptake in Enthandrophragma angolense seedlings to evaluate the effect of organic manure (Cow dung; 20g, 10g; Poultry manure: 20g, 10g; Water hyacinth 20g, 10g and control). The variables measured were plant height, collar diameter and leaf numbers. The experiment was laid out in a Completely Randomized Design (CRD), the data collected were subjected to Analysis of Variance (ANOVA) and Mean separation using Least Significant Difference (LSD). The results showed that seedlings grown with cow dung of 20g produced the highest mean height (12.45cm), collar diameter (5.68mm) and leaf production (7). The best performance was observed in seedlings grown with cow dung at the rate of 20g. 20g of cow dung mixed with 2kg of forest top soil can be used to raise E. angolense seedlings for good growth in the Nursery. Keywords: Enthandrophragma angolense, organic manure, leaf numbers, collar diameter and seedling height
Highlights
Forest and savanna woodland ecosystems play multiple roles at global and local levels as well as provide a range of economic, social and environmental goods and services such as food, medicine, wood and fibres
Water hyacinth 10g (T1), Water hyacinth 20g (T2), Cow dung 10g (T3) Cow dung 20g (T4), poultry manure 10g (T5), poultry manure 20g (T6) and control (T7), were the treatments used for this experiment
Mean values of Leaf Dry Weight (LDW) presented in Fig. 3 showed that at the end of the experiment, seedlings grown with 20 g of Poultry manure (PM) had the highest mean value of leaf biomass (3.31 g) while seedlings grown without the application of fertilizer had the lowest mean value of 0.67 g (Table 3)
Summary
Forest and savanna woodland ecosystems play multiple roles at global and local levels as well as provide a range of economic, social and environmental goods and services such as food, medicine, wood and fibres. Increased anthropogenic and economic activities have reduced both mother trees and regeneration of stand to an unsustainable level. It has a medicinal potential for the treatment of aliments such as stomach ache, pelvic ulcer, ear ache and kidney rheumatism pain (Arbonnier, 2004). Despite these potentials, there is a decreased population of E. angolense mother trees as well as the absence of both seedlings and samplings in parklands (Gijsbers et al, 2004). This study is to examine the comparative studies on nutrients needs and uptake in E. angolense
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