Insecticidal Control of Underground Insects of Corn a Report of a 5 Year Study
Insecticidal Control of Underground Insects of Corn a Report of a 5 Year Study
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296 2. 3 Note: two asterisks indicates a significant difference at the 1-percent level; one asterisk indicates a significant difference at the 5-percent level.
of treatment were significant at the 1-percent level for aldrin and diel- drin and the 5-percent level for heptachlor. Plant populations on plots treated with either lindane or chlordane were not significantly higher than populations on the untreated plots of the field.
On the experimental field at DeKalb when aldrin was used, plant coun...ts indicated a declining residual effect 1 and 2 years after a single treatment (Table 8). This was not true on the plots treated with hep- Table 8. EFFECT OF TREATMENT WITH ALDRIN AND HEPTACHLOR ON PLANT POPULATIONS: Experiment Field, DeKalb; 1954-1956 Increases resulting from treatment Year data recorded Years treated Aldrin Heptachlor Number of plants per acre Percent Number of plants per acre Percent 1954..
1954 1954 1954-1955 1954 1954-1955 1954-1955- 1956 1, 258 734 2, 646 524 1, 572 393 8.
What to read after Insecticidal Control of Underground Insects of Corn a Report of a 5 Year Study?
You can find similar books in the "Read Also" column, or choose other free books by J H John Henry Bigger to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
296 2. 3 Note: two asterisks indicates a significant difference at the 1-percent level; one asterisk indicates a significant difference at the 5-percent level.
of treatment were significant at the 1-percent level for aldrin and diel- drin and the 5-percent level for heptachlor. Plant populations on plots treated with either lindane or chlordane were not significantly higher than populations on the untreated plots of the field.
On the experimental field at DeKalb when aldrin was used, plant coun...ts indicated a declining residual effect 1 and 2 years after a single treatment (Table 8). This was not true on the plots treated with hep- Table 8. EFFECT OF TREATMENT WITH ALDRIN AND HEPTACHLOR ON PLANT POPULATIONS: Experiment Field, DeKalb; 1954-1956 Increases resulting from treatment Year data recorded Years treated Aldrin Heptachlor Number of plants per acre Percent Number of plants per acre Percent 1954..
1954 1954 1954-1955 1954 1954-1955 1954-1955- 1956 1, 258 734 2, 646 524 1, 572 393 8.
What to read after Insecticidal Control of Underground Insects of Corn a Report of a 5 Year Study?
You can find similar books in the "Read Also" column, or choose other free books by J H John Henry Bigger to read onlineMoreLess
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