Bibliografía (14 obras)
Xeriscape, water-conserving gardens
1994
Wildflowers
1992
Poisonous plants
Grafting plants
1991
Fruit orchards
Tropical fruits
Hydroponics
Cut flower production
Beekeeping in the United States
1990
Protecting plants from animal pests
Greenhouse growing
Seed germination
Effects of nematodes and nematicides on plants, January 1979 - May 1989
1989
Beekeeping in the United States, January 1979-August 1988
1988