Side view of Caterpillar tractor D9 pulling a cutivator/chisel plow set. Caption on the back of the photo reads, "Walter Mehenke D9-70ft. They use 2-D'9s and 2-D8'.
Nebraska Tractor Test Laboratory
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Demonstration; Holt Caterpillar
Holt Caterpillar, Winnipeg, Canada, 1910. Note the 5th wheel steering system, which was the same as that used on steam engine tractors.
Lester F. Larsen Tractor Test and Power Museum
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Realism in Immune Ecology Studies: Artificial Diet Enhances a Caterpillar's Immune Defense but Does Not Mask the Effects of a Plastic Immune Strategy. [PDF]
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Nanopesticides in Brazilian Crops: Classes, Mechanisms, Efficacy, Risks, and Photocatalytic Remediation. [PDF]
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Characterization of the spectrum of insecticidal activity of Cry1B.3, Cry1Da_7, and Vip3Cb1 proteins produced by lepidopteran-protected MON 89151 cotton. [PDF]
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Chemical defense mechanisms of soybean genotypes against lepidopterans. [PDF]
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Editorial: Insect physiology aspects of environmentally friendly strategies for crop pests and invertebrate vector control, volume II. [PDF]
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Soybean images dataset for caterpillar and Diabrotica speciosa pest detection and classification. [PDF]
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