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High soil bulk density and penetration resistance as an indication of soil compaction affect soil infiltration and runoff.
Detailed features of solar radiation distribution and penetration in soybean communities were examined using integrated solarimeter films for 2 days. Five cultivars (c.v. Tsurukogane, Nanbushirome, En...
Root growth into deep soil is an important factor for stable production in wheat under drought conditions. Root penetrating capacity (RP) shown by pot experiments with a paraffin-Vaseline layer (PV la...
Artificially compacted soil cakes were used to examine the penetration of seminal roots in cereal and tap roots in leguminous crops.Using an oil pressure pump, compacted soil cakes 1 cm in thickness w...

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