Spatial variability of soil penetration resistance in the lowland area cultivated with soybean
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DOI: 10.1590/0103-8478cr20200452
Abstract: ABSTRACT: This study determined the spatial variability of soil penetration resistance and yield of the soybean crop in lowland areas. The soil resistance to penetration at four different depths (0 to 0.10 m; 0.11 to… read more here.
Keywords: penetration resistance; resistance; penetration; soil penetration ... See more keywords
Estimating Soil Penetration Resistance of Paddy Soils in the Plastic State Using Physical Properties
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DOI: 10.3390/agronomy10121914
Abstract: Soil penetration resistance (SPR) is an important indicator for soil strength which not only affects the growth of crop roots and crop yield but also is crucial in the design and selection of agricultural machinery.… read more here.
Keywords: paddy soils; penetration resistance; plastic state; soil penetration ... See more keywords