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Seedling Emergence and Establishment of Direct-sown Paddy Rice in Soils Incorporated with Substances Produced in Reductive Paddy Soil
Acetic acid Direct sowing Ferrous iron Paddy rice Seedling emergence Seedling establishment
2009/8/4
Although seedling emergence and establishment is inhibited by soil reduction in the direct sowing of paddy rice into puddled and leveled soil, the reasons for this are not clearly understood. This exp...
A Simplified Model for Estimating Nitrogen Mineralization in Paddy Soil
Drying effect Model Nitrogen mineralization Paddy soil Soil moisture before flooding Soil incubation Temperature
2009/7/30
The estimation of available nitrogen in paddy soil is important in order to evaluate rice productivity and to improve fertilizer management. In this study, a simplified model is proposed for estimatin...
Establishment of Rice Seedlings by Direct Sowing of Multiple Seed Pellets on Paddy Soil Covered with Legume Living Mulch
Direct seeding Legume Living mulch Multiple seed pellets Rice Seedling establishment
2009/7/23
Establishment of Rice Seedlings by Direct Sowing of Multiple Seed Pellets on Paddy Soil Covered with Legume Living Mulch.
Direct-Seeding of Rice(Oryza sativa L.)on Y-shaped Furrow without Tillage and Covering Soil in Poorly Drained Paddy Soil
Direct-seeding Establishments Furrow Grain yield
2009/7/16
Direct-seeding culture without tillage and covering soil using the Y-shaped seeding furrow was examined in 1997 and 1998 at a poorly drained paddy field in Hachirogata(Akita Pref., Japan). The percen...
The Effect of Beginning Time of Flooding on the Growth and Yield of Rice Cultivated on Paddy Soil with White Clover Living Mulch
White clover Rice Living mulch Legume
2009/7/7
The effects of the beginning time of flooding on legume decomposition, N release, growth and yield of rice cultivated with white clover living mulch were investigated by field and pot experiments. Th...
Degradation of Ipconazole by Microorganisms Isolated from Paddy Soil
degradation metabolite ipconazole triazole fungicide soil microorganism
2009/3/7
Ipconazole is a triazole fungicide for treating rice seed. In the present study, degradation of ipconazole by isolated microorganisms from paddy soil was investigated. To enrich the degraders, the...
Evaluation of Pesticide Effects on Microbial Communities in a Paddy Soil Comparing with That Caused by Soil Flooding
paddy soil Biolog microbial community structure carbon substrate utilizing activity risk assessment of pesticide
2009/3/7
The effect of a herbicide Zark D51 (ZD, 4.5% daimuron and 0.51% bensulfuron methyl) powder and a fungicide Fuji-One Moncut (MC, 12.0% isoprothiolane and 7.0% flutolanil) powder on microbial communit...