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Table 5 Average level of NPK balance 1993–1995 [117]

From: Modeling genotype × environment × management interactions for a sustainable intensification under rainfed wheat cropping system in Morocco

High (≥ 60)

Medium (− 60 to − 30)

Moderate/low (≤ 30)

Kg of N–P–K ha−1 year−1

Burkina Faso

Cape Verde

Algeria

Burundi

Congo

Egypt

Cameroon

Chad

Morocco

Kenya

Sudan

Tunisia

Nigeria

Niger

South Africa

Senegal

  

Ivory Coast