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Linseed and lucerne seeds were sown broadcast over a 100 m2 field which was then ploughed twice at right angles to 20 cm and harrowed to a fine tilth....
Read moreInvestigations were made of arthropods in a silty, poorly drained, gray soil under dry grassland, irrigated sugar cane, and under natural grassland re...
Read moreHoney-bee colonies in fruit orchards (apple and plum) often collect much dandelion pollen. Bees visiting dandelion become conditioned to it and, even ...
Read moreThe following is based largely on the author's summary. The bionomics of Apion dichroum Bedel in fields of white clover [Trifolium repens] in south-ea...
Read moreThe following is based largely on the authors summary. This paper is the first of a series describing observations on a population of Pieris rapae (L....
Read moreThe following is virtually the authors' summary of this account of laboratory investigations in Britain. Samples of wheat weighing 10 g and containing...
Read moreThe following is based largely on the author's summary of this account of investigations in Kenya. The percentage of barley shoots attacked by larvae ...
Read moreThe following is based largely on the authors' summary. Some of the factors that contribute to changes in the biting rate of L. becquaerti with time (...
Read moreThe following is based partly on the authors' summary. As adhesive traps have been ineffective in providing estimates of populations of biting flies i...
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