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Time-dependent changes in distribution patterns of soil bulk density and penetration resistance in a rangeland under overgrazing
Bulk density overgrazing penetration resistance
2011/6/29
High soil bulk density and penetration resistance as an indication of soil compaction affect soil infiltration and runoff.
Cultivation by Early Winter Seeding of Spring Wheat in Central Hokkaido:Suitable seeding density(Agronomy)
Early winter seeding Germination suppressing chemicals Overwintering plant Seeding density Spring wheat
2009/7/15
Previously we found that suitable seeding days for early winter sowing of spring wheat was about 20-25 days before the start of continuous snow covering. In the present study, we examined the effect ...
Effects of Seading Time and Planting Density on the Occurrence of Seed Coat Cracking in Soybean Cultivar ‘Sachiyutaka’
Grain number Planting density Sachiyutaka Seeding time Seed coat cracking
2009/7/8
To establish the cultivation techniques that prevent the occurrence of seed-coat cracking (SCC) in soybean cultivar ‘Sachiyutaka’ we investigated the effects of seading time and planting density on th...
Effect of Row-Width and Planting Density on Podding and Yield Performance of Early Soybean Cultivar ‘Enrei’ with Reference to Raceme Order
Dry matter production Light intercepting characteristics Planting density Raceme-order
2009/7/8
To elucidate the effect of planting patterns on yield performance of soybean, we cultivated early cv. ‘Enrei’ with 80 and 30 cm row-spacing, and 11.1 and 22.2 plants m-2 in 2001 and 2002. The number o...