na INLIS000000000004170 Ind 0010-1118004170 Fertilizer and food production: summary review of trial and demonstration results 1961-1986; FAO fertilizer programme FOOD AND AGRICULTURE ORGANIZATION Food and Agriculture Organization Rome FAO 1989 112 p.,: ill.; 21 cm. 112 p.,: ill.; 21 cm. 613.8FOOf Bibl.: p. 109-110 631.8 FERTILIZATION FERTILIZERS PLANT PRODUCTION 200/FAO/95