Steve Diver wrote:
> A compilation of biobased pest management practices,
> organized by categories of cultural, biological, mechanical,
> biorationals, etc. would be a nice starting point.
> Here, I am using biobased from the broad perspective rather
> than a limited definition that would include biocontrols only.
> A few practices that are less sustainable:
> *Clean cultivation of soils on sloping orchard lands for control of
> perennial and annual weeds......this can lead to loss of organic
> matter, poor earthworm count, loss of soil foodweb to induce
> natural biological control of diseases, etc. Some options include
> living mulch cover crops combined with partial tillage, undercut
> tillage to leave a surface mulch; many susties have no problemo
> whatsoever with the use of herbicides in the management of crop
> residues to maintain plant material cover instead of exposed soil.
> *Flame control of potato beetles....a dandy alternative technology
> that provides an alternative to synthetic pesticides on one hand,
> yet relies of fossil fuels and combustion of carbon fuels on the
> *Organic apple production...spray the trees 20 times during the
> growing season with rotenone-ryania-pyrethrum for organic
> acceptable insect control...in comparison to a low-spray program
> with 2 applications of the synthetic Imidan.
> *Tobacoo juice, chewed on by elderly residents in nursing homes
> in the South and gathered in spittoons, used as a biobased spray to
> control green bugs on corn crops in the Midwest. Some people argue
> it is un-sustainable to ship the tobacco juice from another bioregion.
> Steve Diver
> > Are all biobased pest management practices compatible with sustainable
> > agriculture? If not, which are most likely to be incompatible?
> > Thank you for your help.
> > Marc Safley
> > email@example.com
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