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© IRL Press Limited

Hand-held computer program for field-capture and analysis of herbage yield and composition data using a modified dry-weight-rank and yield estimate method

G. F. Griffin 1,* and G. N. Bastin 2

1CSIRO, Division of Wildlife and Rangelands Research, Central Australian Laboratory PO Box 2111, Alice Springs, Northern Territory, Australia 5750
2Range Management Section, Northern Territory Department of Primary Production PO Box 2134, Alice Springs, Northern Territory, Australia 5750

*To whom reprints requests should be sent

A BASIC program is described which is used to collect, check and analyse rank estimates of plant yield in the field. The program operates in a portable, battery-powered Sharp PCI500A hand-held computer than can be used in a field environment. Data are collected using a modified dry-weight-rank method and comparative yield estimates. Much of the software is designed to trap incorrect data entry. Raw data or summary data may be printed, displayed, and stored on cassette tape or transferred to another computer through a communications interface. The program can be easily modified to run on other models of the Sharp PC series or other portable computers that use a similar BASIC interpreter.

Received on July 2, 1987; accepted on August 6, 1987

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