International Provenance Trials of Neem

Revised Procedures and Design in Trial Establishment in the International Neem Network
2. Field Trial

Compiled
by
Working Group on Trial Design




April 1996



Contents



 

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Contents



1 INTRODUCTION

2 FIELD TRIAL DESIGN

2.1 Objectives of scheme
2.2 Summary of recommendations for field design

3 TRIAL SITE

3.1 Choice of site
3.2 Site description
3.3 Site preparation
3.4 Demarcation and positioning of blocks and plots

4 PLANTING

5 POST PLANTING MAINTENANCE

6 LITERATURE& REFERENCES

ANNEX A: SITE DESCRIPTION

ANNEX B: FIELD TRIAL DESIGN - DETAILS AND ARGUMENTS

Bl Objectives of scheme
B2 Information needed
B3 Recapitulation of terminology used
B4 Same or different design in all trials
B5 Choice of design
B6 Block configuration and size
B7 Number of blocks
B8 Plot size and shape
Example of trial design
B9 Size of experimental area
B10 Other purposes of trials

ANNEX C PLANTING OF TRIAL

ANNEX D POST-PLANTING MAINTENANCE