Nitrogen (N) content in the paddy soil in Indonesia

The nitrogen content of several soil samples from lowland rice fields in Indonesia indicates that 13.8% of the samples contain nitrogen at levels below 0.10%, 45.7% at levels between 0.10 and 0.20%, 32.5% at levels between 0.20 and 0.40%, and 8.1% at levels above 0.40%.