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Table 10 Nutrient rating and diagnostic methods

From: Characterizing soils and the enduring nature of land uses around the Lake Chamo Basin in South-West Ethiopia

Nutrient index level Expected relative yield without fertilizer (%)
Very low < 50
Low 50–80
Optimum 80–100
High 100
Very high 100
  1. Source: FAO, 1980; ISUEP, 1688
  2. ISUEP: Iowa State University Extension Publication PM 1688
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Journal of Ecology and Environment

ISSN: 2288-1220

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