Farm Spies How the Boys Investigated Field Crop Insects
Farm Spies How the Boys Investigated Field Crop Insects
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In our eReader you can find the full English version of the book. Read Farm Spies How the Boys Investigated Field Crop Insects Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Farm Spies How the Boys Investigated Field Crop Insects
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To quickly assess the difficulty of the text, read a short excerpt:
" 64 FARM SPIES (After Smith, N. C. Exp. Sta. ) working their way out of the eggshell at hatching time. When the egg has been pushed into place, the mother seals the opening of the cavity and that hides the egg and young grub from enemies that might be lurking about the corn. " "You mean to say that the little FIG. 36. "They white grubs you find in the corn are are white, hump- backed, and leg- the young of the black weevils?
asked Sam Dixon.
"Most of the grubs you find around here are/' the en...tomologist replied, "but there are a number of white grubs in corn that do not make weevils. You can tell the weevil grubs without any trouble be- cause they are white, hump- backed, and legless. The grubs eat the inside of the grain, and when they become full grown they change to a quiet or resting- stage, called pupa, and from this pupa the full-grown weevil comes. In warm weather the time required from egg to full-grown insect is from five to seven weeks, but in cool weather a longer time is required.
What to read after Farm Spies How the Boys Investigated Field Crop Insects?
You can find similar books in the "Read Also" column, or choose other free books by Albert F Albert Frederick Conradi to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
" 64 FARM SPIES (After Smith, N. C. Exp. Sta. ) working their way out of the eggshell at hatching time. When the egg has been pushed into place, the mother seals the opening of the cavity and that hides the egg and young grub from enemies that might be lurking about the corn. " "You mean to say that the little FIG. 36. "They white grubs you find in the corn are are white, hump- backed, and leg- the young of the black weevils?
asked Sam Dixon.
"Most of the grubs you find around here are/' the en...tomologist replied, "but there are a number of white grubs in corn that do not make weevils. You can tell the weevil grubs without any trouble be- cause they are white, hump- backed, and legless. The grubs eat the inside of the grain, and when they become full grown they change to a quiet or resting- stage, called pupa, and from this pupa the full-grown weevil comes. In warm weather the time required from egg to full-grown insect is from five to seven weeks, but in cool weather a longer time is required.
What to read after Farm Spies How the Boys Investigated Field Crop Insects?
You can find similar books in the "Read Also" column, or choose other free books by Albert F Albert Frederick Conradi to read onlineMoreLess
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