Mode of Action of Herbicides Second Edition Floyd M. Ashton and Alden S. Crafts Completely revised and updated version of the basic introduction to the physiology and biochemistry of chemical weed killers. It summarizes current international information on each class of herbicide, including specific information on absorption and translocation, molecular fate, biochemical responses, and mode of action. 1981 (0 471-04847-X) 525 pp. Weed Ecology Implications for Vegetation Management Steven R. Radosevich and Jodie S. Holt This is the first book to deal specifically with weeds as a biologically important class of vegetation. This important work defines the concept of a weed in biological and ecological terms, and concentrates on the crop and weed responses caused by environmental change rather than the tools used to manipulate vegetation. It develops the underlying principles for weed management from studies of the adaptations of weeds to their environment and to other plants. 1984 (0 471-87674-7) 265 pp. Crop Protection Chemicals Reference Seventh Edition Completely updated for 1991, this standard reference provides the complete text of product labels for crop protection chemicals. Professionals will learn instantly what products can best treat a particular crop problem, what quantities of the chemical to use, and under what restrictions and precautions. The book includes extensive and easily accessed indices and appendices on such matters as codings when transporting products, safety practices, calibrations, and more. 1991 (0 471-53282-7) 2,206 pp.
Arnold , G. W. , Campbell , N. A. , and Galbraith , K. A. , Mathematical relationships and computer routines for a model of food ... Butterworth , M. H. and Diaz , L. , Use of equations to predict the nutritive value of tropical grasses ...
本书从美术史的研究视野出发,着眼于辽金时期的考古发现、传世文物与文献史籍,考察探讨辽金皇家艺术工程中所呈现出的艺术史要素,关照多种艺术语言和视觉综合体的内在逻辑 ...
These counties were Huang Cheng County , which is in the area east of the Yellow River and which grows mainly coarse wool , and Sandan County which produces both fine wool and coarse wool . ( Huang Cheng is also the name of ...
In concurrence with other authors ( Carter & McGoldrick , 1989 ; Hartman & Laird , 1983 ; McDaniel et al . , 1990 ) , we define family as two or more people related or connected biologically , emotionally , or legally .
1 Maconochie ]R Madgwick ]C Madsen NP Mahendra K] Mahon R] Mak KP Manchanda AH Mander LN Mander STK Marasas WFO ... A1 Maunwongyathi P Mazza SM McAdam D McAlpine ]B McBride T] McCall M] McCamish M McChesney MM McClure T] McCredie RS ...
( 1990 ) exposed three cultivars of cucumber ( Cucumis sativus ) to a daily dose of 11.6 k / m biologically effective UV - B radiation in an unshaded greenhouse before and / or after inoculation with Colletotrichum laginarium ...
ENVIRONMENTAL CONTROL OF BIRDS Keith A. Arnold INTRODUCTION Problems arise between bird and human populations for three reasons : economics , health hazards , and nuisances . Bird populations are competing with humans for resources and ...
... park , the athletic grounds , the skating rink , the co - operative creamery , the cheese factory , the bakery and the like . Most importantly , though , the size of the administrative unit had to be enlarged through consolidation .
... by Booher in an FAO publication . Sprinklers simulate rainfall by spraying water from pipes under pressure . Localized irrigation applies water at or near the plant at a rate which is far less than the soil infiltration rate .
Fitzgerald , C.H. ( 1975 ) Early root development and anatomical parasite - host relationships of black senna with slash pine . Forest Science 21 , 239-242 . Fitzgerald , C.H. and Terrell , S. ( 1975 ) Control of Seymeria cassioides ...