Soil mapping at field level by air-dry moisture detection
1997
Perdok, U.D. | Kroesbergen, B. | Kurstjens, D.A.G. (Wageningen Agricultural University, Wageningen (The Netherlands). Dept. of Agricultural Engineering and Physics)
Moisture content at high pH value, about 6, is closely corelated to clay content. This procedure circumvents the expensive soil granular analysis of many samples and provides a quick and easy determinant for variations in soil texture. Gravimetric moisture determination under controlled air-dry conditions is relatively cheap (40 working hours for 628 samples) as compared to the external costs of specialized texture analysis (175 Dfl per sample)
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