H.—34.

1938. NEW ZEALAND.

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

Presented to both Houses of the General Assembly by Leave.

CONTENTS.

PAGE PAGE Minister's Statement .. .. .. • • 2 Reports of Research Committees, &c. —continued. Secretary's Report .. .. • • • • 4 Mineral Content of Pastures .... .. 36 General .. .. .. • • • • 4 Leather and Shoo Research Association .. 38 Dominion Laboratory .. ■. . • 5 Fruit Research . . .. .. 40 Meteorological Branch .. .. .. 6 Fruit Cold Storage Research .. .. 45 Geological Survey .. .. .. .. 7 Soil Survey.. .. .. .. ..49 Observatories .. . • ■ • • • 7 Radio Research .. .. .. 68 Plant Research Bureau .. .. .. 7 Tobacco Research .. .. .. 69 Dairy Research Institute .. .. .. 9 Wool Manufacturers' Research Association .. 72 Wheat Research Institute .. . . .. 9 Social Science Research Bureau .. .. 72 Leather and Shoe Research Association .. 10 Research Scholarships .. .. .. 77 Soil and Land Utilization Surveys .. .. 10 Publications .. . . .. . . 77 Fruit Research .. ..' •• •• 10 Imperial Agricultural Bureaux .. .. .. 78 Mineral Content of Pastures (Cobalt Investigations) 11 Miscellaneous Geophysical Surveys— Phormium Research .. .. . • 11 Asbestos Deposits, D'Urville Island .. .. 78 Radio Research .. •. ■ • • • 12 Magnetic Observations in the Onekaka-Parapara Tobacco Research .. •. • ■ • ■ 12 District .. .. ■ . •. 79 Wool Manufacturers' Research Association .. 12 Geophysical Work in the Rotorua District .. 79 Social Science Research Bureau .. .. 13 Research on Light-weight Concretes .. .. 80 New Zealand Standards Institute .. .. 13 Research Work at Canterbury Agricultural College 81 Reports of Research Committees of the Council of Dominion Laboratory .. .. .. 84 Scientific and Industrial Research— Geological Survey Branch .. .. 89 Dairy Research Institute .. .. •• 14 Meteorological Branch .. .. .. 11l Plant Research Bureau .. .. ..21 Dominion Observatory.. .. .. ..116 Animal Research Bureau .. .. 32 Apia Observatory .. .. .. .. 122 Wheat Research Institute .. .. 33 Magnetic Observatory .. .. .. .. 124 Phormium Research .. •• ..34 Staff .. .. .. .. .. 125

I—H. 34.