TY - BOOK AU - Robertson, G. Philip, ed. TI - Standard soil methods long term ecological research T2 - Long term ecological research network series SN - 0195120833 U1 - 577.57072 21st ed. PY - 1999/// CY - New York PB - Oxford University Press KW - Bledsoe KW - Caroline S., ed KW - Coleman KW - David C., ed KW - Microoraganisms KW - Soil biology KW - Soil ecology KW - Soil ecology - Methodology N1 - Index: p. 456-62 ER -