Differences in surface soil aggregation under six different crops. Short note
1991
Chan, K.Y. (New South Wales Agriculture and Fisheries, Rydalmere (Australia). Biological and Chemical Research Inst.) | Heenan, D.P. (New South Wales Agriculture and Fisheries, Wagga Wagga (Australia). Agricultural Research Inst.)
The effects of lupin, field pea, barley, canola, linseed and lentil crops on the surface (0-0.10 m) aggregation of a red earth were investigated in the field. Soil friability after cropping was in the decreasing order: lupin, lentil, canola, field pea, linseed (equal to barley). Both lupin and canola cropping produced significantly stronger aggregates than barley, lentil and field pea. There was a significant correlation between the tensile strength of the aggregates and amount of dispersed clay released from moist soil.
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