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Alternative methods and cultural practices 
for establishing rice seed and nutritional plots
by Russell Ford

February 2006

RIRDC Publication No W05/193    RIRDC Project No RRA–3A

Executive Summary
The development and testing of various configurations of seeding equipment in relation to rice establishment was the basic objective of this project.

Outcomes include:
 

• Improved establishment
• Zero cross contamination
• Easier roguing
• Improved multiplication rates
• Flexibility in sowing
• Reduced establishment problems from wind, ducks and blood worm
• An improved rotational farming system for reducing risk of herbicide resistance


After the completion of five trials using seventeen different types of seeding apparatus on varying soil types, the following results were observed:

• A multiplication rate of 700 times was achievable using precision seeding equipment at low seeding rates (25kg/hectare). This is 10 times the current multiplication rate.
• Improved quality assurance standards are possible through segregation and isolation of seed plots during early stage multiplication.
• By use of alternative seeding cultures in rice, improved rotations for Integrated Weed


Management Systems can be practised by all rice growers.

New management techniques have been developed as an associated outcome to this project. Improved irrigation layouts (side ditch channels), specific weed management practices, stale seedbed culture, row spacing and timing of sowing are just some of these.

There is need for further research into water management and usage, as well as design and effect of various press wheel configurations associated with these growing methods.

It is envisaged that these improved techniques will be passed on to Australian rice growers in the form of various industry publications, field days and grower meetings.

 


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Last updated: February 2006    Copyright RIRDC
http://www.rirdc.gov.au/reports/RIC/05-193sum.html