Biology Eei Lab Report

Biology EEI

Effect of Inorganic and Organic Fertilisers on Yield and Growth of Tomatoes

By Yash

Teacher: Mrs. Elphick

TABLE OF CONTENTS

Abstract................................................................................3

Introduction..........................................................................4

Materials and Methods.........................................................6

Contents of fertilisers...........................................................6

Procedure.............................................................................7

Results..................................................................................8

Discussion............................................................................12
Height of the powerfeed fertilised plant stayed the highest of all the other plants till the end of the experiment but the other plants nearly reached the height of powerfeed fertilised (OF) plant by the end of the experiment including the plant with no added fertiliser. The both plants with inorganic fertilisers nearly achieved the same height. At the same time, the plant with seaweed (OF) stayed at lower height compared to powerfeed (OF). This is probably due to the higher nitrogen, potassium and phosphorus content in powerfeed (OF). Similar results were observed by Abdel-Mawgoud A.M.R. et al (2007) and Machado, R.M.A et al (2008).

From the first week of planting all the tomato plants, the plant with TV (IF) fertiliser had the highest number of leaves but after there was no clear trend of number of leaves after that. The results of the all the five plants kept fluctuating but at the end of the experiment the seaweed fertilised (OF) plant was leading in the number of leaves that it produced. Similar results were observed by Abdel-Mawgoud A.M.R. et al
There were measurements of Plant height (cm), number of leaves; numbers of branches, total fresh and dry weights per plant were recorded in the end of the growing season. Weight and number of fruits in total and marketable yields were recorded from each replicate. Average individual fruit weight was also calculated from these data. There were also some chemical measurements to determine the Soluble Solids Contents (SSC) in fruit sap. The total content of some nutrients such as N, P, K and Ca were also determined in the leaves.

TITLE OF ARTICLE: Influence of sub-optimal temperature on tomato growth and yield: a

Review Author: VAN DER PLOEG, A & HEUVELINK E. Institution: Horticultural Production Chains Group, Wageningen University, the Netherlands Date: 2005 URL: http://cat.inist.fr/?aModele=afficheN&cpsidt=17268138 Aspect: temperature growth on tomato plants

Summary: The authors are scientists at Wageningen University, who have been carrying out an experiment on the effects of the temperature on the growth, development and yield of tomato. The growth of young vegetative tomato plants can be characterised by their relative growth rate (RGR). The RGR describes the rate of increase in plant mass per unit plant mass already present. Differences in RGR can be explained by differences