The Technical World Magazine, Volume 15 |
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Page 171
... are shipped to the Insectary. where they are kept in cold storage until the
melon aphis makes its appearance in the cantaloupe and cucumber fields of the
Imperial Valley, or until the peach and apple aphids are reported in the orchards.
... are shipped to the Insectary. where they are kept in cold storage until the
melon aphis makes its appearance in the cantaloupe and cucumber fields of the
Imperial Valley, or until the peach and apple aphids are reported in the orchards.
Page 172
These ladybird cohorts, directed and controlled by the parasitologists of the State
Insectary, probably saved the extensive melon growing industry of the Imperial
Valley from entire destruction, and have prevented the loss of orchard fruits worth
...
These ladybird cohorts, directed and controlled by the parasitologists of the State
Insectary, probably saved the extensive melon growing industry of the Imperial
Valley from entire destruction, and have prevented the loss of orchard fruits worth
...
Page 177
This board appoints local inspectors to any number that conditions appear to
require ; and has authority to order an inspection of any orchard, nursery, trees,
plants, vegetables, fruit, packing house, storehouse, salesroom, or any other
place or ...
This board appoints local inspectors to any number that conditions appear to
require ; and has authority to order an inspection of any orchard, nursery, trees,
plants, vegetables, fruit, packing house, storehouse, salesroom, or any other
place or ...
Page 178
The black scale that once appeare'd to threaten the very existence of the olive
orchards, and that constituted a serious pest on citrus and many varieties of
deciduous fruit trees, is fairly well controlled by an Australian ladybird, and a
small ...
The black scale that once appeare'd to threaten the very existence of the olive
orchards, and that constituted a serious pest on citrus and many varieties of
deciduous fruit trees, is fairly well controlled by an Australian ladybird, and a
small ...
Page 283
Scientific orchard heating has made it possible to raise the temperature of a two
hundred acre orchard ten to fifteen degrees with as much certainty as the janitor
can heat the city man's flat. It takes somewhat more labor than the last mentioned
...
Scientific orchard heating has made it possible to raise the temperature of a two
hundred acre orchard ten to fifteen degrees with as much certainty as the janitor
can heat the city man's flat. It takes somewhat more labor than the last mentioned
...
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