Livres associés

Scale insects on deciduous and ornamental trees. A report to the State board of horticultural commissioners.

Scale insects of the Santa Cruz peninsula.

The red or orange scale

The purple scale

• Spraying for scale insects
  Auteur(s): Quayle, H. J.
• Spray-fumigation treatment for resistant red scale on lemons
  Auteur(s): Quayle, H. J. ,  Ebeling, Walter
• Red spiders and mites of citrus trees
  Auteur(s): Quayle, H. J.

• The utilization of El Dorado County land
  Auteur(s): Weeks, David ,  Wieslander, A. E.
• Turkish tobacco culture, curing, and marketing
  Auteur(s): Clarke, Warren T.
• Tolerance of eucalyptus for alkali : with partial reprint from Bulletin 196
  Auteur(s): Loughridge, R. H.