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1931. NEW ZEALAND.

DEPARTMENT OF SCIENTIFIC AND INDUSTRIAL RESEARCH (REPORT OF THE).

Laid on the Table of the House of Representatives by Leave.

CONTENTS.

PAGE Secretary's Report .. .. • • .. 2 Dominion Laboratory .. .. • • 2 Geological Survey .. .. .. .. 3 Meteorological Office . . ■ • .. 3 Dominion Observatory .. .. .. 3 Petrological Laboratory .. .. .. 4 Mineral Control of Pastures .. .. .. 4 Phormium Umax . . ■. ■ ■ .. 5 Fuel Research .. . • • • .. 5 Wheat Research Institute .. .. 6 Problems of Meat Freezing, Storage, and Transport 6 Quick Freezing .. .. . • .. 7, 10 Plant Research Station .. .. .. 7 Dairy Research .. . ■ • • .. 7 Wool Research and Wool Conference .. .. 8 Geophysical Surveying .. .. .. 8 Standards and Standardization .. .. 8 Fruit Research .. .. . • . . 9 Miscellaneous .. . • • • .. 9 Reports of Research Committees of the Council of Scientific and Industrial Research .. .. 13 Dairy Research .. .. . . .. 13 Plant Research Station .. . . 16 Wheat Research Institute .. .. 19 Noxious-weeds-control Research .. 19 Phormium Research . . .. 20 Mineral Contents of Pasture Investigations .. 22

PAGE Report of Research Committees of the Council of Scientific and Industrial Research — continued. Third Annual Report of Pakihi Investigations conducted at the Cawthron Institute .. 31 Pig recording .. .. .. 32 Pork and Bacon .. .. .. 32 Wool .. .. .. .. ..32 Fuel Research .. .. .. .. 33 Cold Storage Research : Fruit .. 33 Fruit Research .. .. .. .. 34 Leather Research Association .. .. 35 Radio Research . . .. 36 Standards and Standardization .. 36 Forest Biological Research .. .. 36 Reconnaissance Soil Survey, Central North Island Territory.. .. .. .. 37 Food-values .. .. .. 39 Building Regulations Committee .. . . 40 Publications .. .. .. .. 40 Research Scholarships .. .. .. 40 Imperial Agricultural Research Bureaux .. 40 New Zealand Journal of Science and Technology .. 40 Research Work at Canterbury Agricultural College, Lincoln .. .. .. .. .. 41 Dominion Laboratory .. .. .. 42 Geological Survey Branch .. .. 45 Meteorological Branch .. ... .. 56 Dominion Observatory.. .. .. ..58

The Right Hon. G. W. Foebes, Minister of Scientific and Industrial Research, — I have the honour to submit herewith the annual report of the Department for the year 1930-31. E. MUesden.

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