Using a penetrometer to detect soil compaction

70.5 هزار بار بازدید - 9 سال پیش - Learn the basics of Using
Learn the basics of Using a penetrometer to detect soil compaction.

Thanks to: Dr. Francisco Arriaga, University of Wisconsin-Madison, Soil Science Department. Roger Schmidt, University of Wisconsin Integrated Pest Management, Nutrient and Pest Management Program
http://extension.soils.wis.edu
http://ipcm.wisc.edu
University of Wisconsin - College of Agricultural and Life Sciences
University of Wisconsin - Extension
9 سال پیش در تاریخ 1394/09/20 منتشر شده است.
70,524 بـار بازدید شده
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