Assessment of soil nutrient balance : approaches and methodologies /
by R.N. Roy ... [et al.].-
- Rome : Food and Agriculture Organization of the United Nations, 2003.
- x, 87 p. : col. ill., col. maps ; 30 cm.
- FAO fertilizer and plant nutrition bulletin, 14 0532-0488 ; .
Includes bibliographical references ([83]-87).
9251050384 (pbk.)
2004430885
Soil fertility. Crops--Nutrition. Crops and soils.