Methods And Results of Field Insecticide Work Against the San Jose Scale 1899 1
Methods And Results of Field Insecticide Work Against the San Jose Scale 1899 1
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W. Ghent. August 15, no injury from spraying could be detected in these orchards, which bore a crop of apples equal to the average crop of uninfested orchards in the neighborhood.
At Makanda 450 trees belonging- to S. Y. Dickinson, mainly apple with a few cherry and plum, received the same kerosene treatment December 11-28, 1901. The apple orchard was on a steep clay slope and appeared to have suffered considerably from the drought of the preceding year, but there was no tangible evi- dence Aug.... 16 of any injury due to the insecticide treatment applied.
On the place of Lammer Brothers, about 225 apple- and pear- trees were treated December 31 with a 25 per cent, emulsion, and owing to some apprehension of injury on the part of the owners this place was very thoroughly examined by Mr. Titus August 16. The trees were absolutely uninjured, as were also 530 apple-trees belonging to Mr. S. A. Carr, treated in the same way and exam- ined at the same time.
Indeed the only injury done to trees by kerosene during the winter of 1901-02 of which I have been able to learn, was that to peaches on the place of Mr.
What to read after Methods And Results of Field Insecticide Work Against the San Jose Scale 1899 1?
You can find similar books in the "Read Also" column, or choose other free books by Stephen Alfred Forbes to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
W. Ghent. August 15, no injury from spraying could be detected in these orchards, which bore a crop of apples equal to the average crop of uninfested orchards in the neighborhood.
At Makanda 450 trees belonging- to S. Y. Dickinson, mainly apple with a few cherry and plum, received the same kerosene treatment December 11-28, 1901. The apple orchard was on a steep clay slope and appeared to have suffered considerably from the drought of the preceding year, but there was no tangible evi- dence Aug.... 16 of any injury due to the insecticide treatment applied.
On the place of Lammer Brothers, about 225 apple- and pear- trees were treated December 31 with a 25 per cent, emulsion, and owing to some apprehension of injury on the part of the owners this place was very thoroughly examined by Mr. Titus August 16. The trees were absolutely uninjured, as were also 530 apple-trees belonging to Mr. S. A. Carr, treated in the same way and exam- ined at the same time.
Indeed the only injury done to trees by kerosene during the winter of 1901-02 of which I have been able to learn, was that to peaches on the place of Mr.
What to read after Methods And Results of Field Insecticide Work Against the San Jose Scale 1899 1?
You can find similar books in the "Read Also" column, or choose other free books by Stephen Alfred Forbes to read onlineMoreLess
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