كتب ذات صلة

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
  المؤلفون: Quayle, H. J.
• Spray-fumigation treatment for resistant red scale on lemons
  المؤلفون: Quayle, H. J. ,  Ebeling, Walter
• Red spiders and mites of citrus trees
  المؤلفون: Quayle, H. J.

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