Showing results under subject: 'soil science'

The San José scale, aspidiotus perniciosus

Author: Ontario. Dept. of Agriculture.
Publisher:Toronto,Ontario Dept of Agriculture 1898
Abstract: no abstract

SOME FLOWERING BULBS

Author: Canada. Department of Agriculture. - STRAIGHT, E.M.
Publisher: 1928
Abstract: no abstract

The spruce beetle

Author: Holsten, Edward H. - Thier, R. W., - Schmid, J. M. - United States. Department of Agriculture. - United States. Forest Service.
Publisher:Washington DC,US Dept of Agriculture, Forest Service 1991
Abstract: no abstract

Diseases of field crops in the Prairie Provinces

Author: H. A. Moyer Carriages (Syracuse, N.Y.) - Canada. Department of Agriculture.
Publisher:Ottawa,Queen's Printer 1957
Abstract: no abstract

The wilting coefficient for different plants : and its indirect determination

Author: Briggs, Lyman J. (Lyman James), - Shantz, H. L. (Homer LeRoy), - United States. Department of Agriculture. - United States. Bureau of Plant Industry. - United States. Government Printing Office.
Publisher:Washington DC,GPO 1912
Abstract: no abstract

Studies in forest pathology : II. the biology of Fomes Pinicola (SW.) Cooke

Author: Mounce, Irene. - Canada. Department of Agriculture.
Publisher:Ottawa, Department of Agriculture 1929
Abstract: no abstract

Methods of controlling tobacco insects

Author: Morgan, Alfred Cookman, - United States. Bureau of Entomology. - United States. Department of Agriculture.
Publisher:Washington DC,US Dept of Agriculture, Bureau of Entomology 1910
Abstract: no abstract

Outline of an agricultural plan for an average province

Author: India. Dept. of Agriculture.
Publisher:Jaipur,Printed by Govt Press 19001995
Abstract: no abstract

Industrial, institutional, structural, and public health pest training manual

Author: Montana. Department of Agriculture
Publisher:Helena Mont,The Dept 1981
Abstract: no abstract

Livestock pest training manual

Author: Montana. Department of Agriculture
Publisher:Helena Mont,The Dept 1981
Abstract: no abstract
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