00589cam a22001817a 4500 9251050384 (pbk.) FQG 631 ASN 2003 A006 Or. Assessment of soil nutrient balance : approaches and methodologies / Rome : Food and Agriculture Organization of the United Nations, 2003. x, 87 p. : col. ill., col. maps ; 30 cm. Soil fertility. Crops Crops and soils. Roy, R. N. Food and Agriculture Organization of the United Nations. AEDBB 20923 20923 0 0 0 631_000000000000000_ASN_2003_A042_OR 0 92562 LBA LBA A042 2023-01-16 631 ASN 2003 A042 Or. a071176 2023-01-16 AEDBB