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picture1_Sustainable Agriculture Pdf 213776 | Ecol Impact Modern Ag


 108x       Filetype PDF       File size 0.14 MB       Source: agroeco.org


File: Sustainable Agriculture Pdf 213776 | Ecol Impact Modern Ag
Modern Agriculture: Ecological impacts and the possibilities for truly sustainable farming Miguel A. Altieri Division of Insect Biology University of California, Berkeley Until about four decades ago, crop yields in ...

icon picture PDF Filetype PDF | Posted on 16 Feb 2023 | 2 years ago

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...Modern agriculture ecological impacts and the possibilities for truly sustainable farming miguel a altieri division of insect biology university california berkeley until about four decades ago crop yields in agricultural systems depended on internal resources recycling organic matter built biological control mechanisms rainfall patterns were modest but stable production was safeguarded by growing more than one or variety space time field as insurance against pest outbreaks severe weather inputs nitrogen gained rotating major crops with legumes turn rotations suppressed insects weeds diseases effectively breaking life cycles these pests typical corn belt farmer grew rotated several including soybeans small grain intrinsic to maintain livestock most labor done family occasional hired help no specialized equipment services purchased from off farm sources type link between ecology quite strong signs environmental degradation seldom evident modernization progressed linkage often broken pri...
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Category: Uncategorized / Uncategorized
Posted on: 16 Feb 2023 | 2 years ago
Tag: download pdf, ecol, impact, modern,
Filetype: PDF
File size: 0.14 MB
Views: 108x
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Uploaded by: Wan learn
Wan learn