Soil Loading Effects of Planter Depth-Gauge Wheels on Early Corn Growth

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2010-01-01
Authors
Hanna, H. Mark
Hanna, H. Mark
Steward, Brian
Aldinger, Landon
Steward, Brian
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Agricultural and Biosystems Engineering
Abstract

Final soil manipulation before seed germination occurs during the planting operation. Contact force of depth-gauge wheels adjacent to the seed opener potentially alters the environment for corn seed germination and early plant growth. A field experiment was conducted measuring seed spacing, spacing variability, seed depth, emergence rate, plant dry matter, final stand, crop growth stage, and extended leaf height with different soil contact loads [light, 180 to 490 N (40 to 110 lb); medium, 490 to 890 N (110 to 200 lb); and heavy, over 890 N (200 lb)] and a range of three soil moistures (dry, moist, wet). A treatment with randomly variable contact load similar to that of a conventional planter (control) was also included.

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This article is from Applied Engineering in Agriculture, 26, no. 4 (2010): 551–556.

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