15 treff

weeds biological control
Virkning av stråforkorter på vekst og utvikling av kveke (Elymus repens (L.) Gould)
Hildegunn Hansen
Bok Bokmål 1984 · Vis mer
Om konkurranseforhold mellom gras og ugras med særlig vekt på kvekebekjempelse : hovedoppgave ...
av Ivar Stokkan
Bok Bokmål 1981 · Vis mer
Microbial control of weeds
edited by David O. TeBeest
Bok Engelsk 1991 · Vis mer
Biological control of insect pests and weeds
edited by Paul DeBach ; assistant editor ...
Bok Engelsk 1964 · Vis mer
Biological control by natural enemies
Paul DeBach
Bok Engelsk 1974 · Vis mer
Vis flere utgaver
Vis flere utgaver
The biological control of insects : with a chapter on weed control
by Harvey L. Sweetman ... with a foreword...
Bok Engelsk 1936 · Vis mer
Biological control of Chenopodium album by Ascochyta caulina
Linnea Wang = Biologisk bekjempelse av me...
Bok Engelsk 2003 · Vis mer
Biological invasions of ecosystem by pests and beneficial organisms : proceedings of an Internationla Workshop on Biological Invasions of Ecosystem by Pests and Beneficial Organisms, Tsukuba, Japan, February 25
International Workshop on Biological Invasions of Ecosystem by Pests and Beneficial Organisms
Bok Engelsk 1999 · Vis mer
Ecological management of agricultural weeds
written and edited by Matt Liebman, Charl...
Bok Engelsk 2001 · Vis mer
Spatial patchiness of broadleaved weeds in cereals and simulated patch spraying : concequences for weed growth and crop yield, accuracy in patch spraying decisions, magnitude of herbicide reductions and use of image analysis for automatic weed detection = Flekkvis fordeling av tofrøblada ugras i kornåker og simulert fleksprøyting : konsekvenser for ugrasvekst og avlingsnivå ...
Therese With Berge
Bok Engelsk 2008 · Vis mer
A review of the biological control of insects and weeds in Australia and Australian New Guinea
Wilson, Frank
Bok Engelsk 1960 · Vis mer
Weed management in agroecosystems : ecological approaches
editors, Miguel A. Altieri, Matt Liebman
Bok Engelsk 1988 · Vis mer
Fungi occurring on selected weeds : a compilation from literature data
L. Sedlar ... [et al.]
Bok Språk ikke angitt 1983 · Vis mer
Introduced parasites and predators of arthropod pests and weeds : a world review
prepared by B.R. Bartlett ... [et al.] ; ...
Bok Engelsk 1978 · Vis mer