TY - BOOK ED - Food and Agriculture Organization of the United Nations TI - Soilless culture for horticultural crop production T2 - FAO plant production and protection paper SN - 9251029520 U1 - 631.585 20 PY - 1990/// CY - Rome PB - Food and Agriculture Organization of the United Nations KW - Hydroponics N1 - Includes bibliographical references (p. 174-188) ER -