What Can Models of Penetrometer Resistance Tell Us about Soil Conditions for Root Growth?.
Richard R. Whalley, Rothamsted, Milton Keynes, UNITED KINGDOM, Chris W Watts, Rothamsted, Milton Keynes, United Kingdom, Weida Gao, Haidian District, China Agricultural University, Beijing, CHINA and Tusheng Ren, College of Resources and Environmental Sciences, China Agricultural University, Beijing, China