APPLIED ECOLOGY 



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FlG. 179. Deciduous forest farm wood lots, pastured (above) and not pas- 

 tured (below), which illustrate the effects of browsing and trampling on 

 reproduction and general forest condition.— U. S. Forest Service. 



be cultivated clean and all organic matter be turned into the soil? 

 Might mixed crops producing a complete cover as in nature not 

 be more desirable? Perhaps we have gone too far in producing 



