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The structural regime of krasnozem-like rice soil in the central provinces of Tszyansi & its importance for increasing soil fertility.

The structural regime of krasnozem-like rice soil in the central provinces of Tszyansi & its importance for increasing soil fertility.

Acta pedol. sin 10(3): 267-288

The content of aggregates > 1 mm diameter was 7-18%. The content of 1-0.5 mm aggregates was 7-32% & was significantly higher in the more fertile soils. The effect of the aggregates on fertility depended on their porosity, which was 43% in highly fertile soils & 26% in soils of low fertility. Porosity of the aggregates depended mainly on the type & amount of adhesive substances in the aggregates & on the form of the microaggregates.

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