Factores que inciden en la eficiencia de los sistemas ecológicos sostenidos
The effects that exercise the diverse factors on the sustained ecological systems or managed by the man (crops) are varied and complex. They act in a combined way, like it is the presence of plagues/diseases that couple their development cycles to those of the crops and the same time attack severely...
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1998
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| Acceso en liña: | http://hdl.handle.net/10872/5334 |
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