Productivity and diversity indices for evaluating agricultural ecolomic system

Abstract

Abstract: In this paper, the stability, sustainability and harmoniousness of agricultural ecolomic system are selected as evaluation indices, and weighted as its productive property inldices.After multiplied by many years average productivity, they can be used to reflect the productivity and productive property of the system. A quantified index of diversity is advanced to describe the structural properties of various agricultural ecolomic systems, and an evaluation index system of agricultural ecolonlic ystem is put forward.

Key words: Evaluation index, Productivity, Diversity, Agricultural ecolomic system, greenhouse vegetable, fertilization pattern, soil enzyme activities

Yuan Congyi. Productivity and diversity indices for evaluating agricultural ecolomic system[J]. Chinese Journal of Applied Ecology, 1995, 6(s1): 137-142.

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Productivity and diversity indices for evaluating agricultural ecolomic system

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