Abstract:Soil mechanical resistance to root penetration and shape of the reserve root of sweet potato from the Huaman descriptor. A study was carried out in order to evaluate the influence of mechanical resistance to root penetration (PR), in a soil affected by tillage and seeding distance, on the shape of the reserve root of a sweet potato crop (Ipomoea batatas (L.) Lamb). Experimental design was based on a strip plot arrangement, where big lots were assigned to tillage systems (TS) and seeding density (SD) to strips.… Show more
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