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Characteristics of Nitrate Concentration of Headwater Streams Located in the Northwest of Tokyo Metropolitan Area
air pollutant NO3-N concentration stream water the nitrogen saturation
2009/8/28
Nitrate nitrogen (NO3-N) concentrations of stream water have been observed in the headwater catchments within Gunma Prefecture located in northwest of Metropolitan area Japan. Large differences of NO3...
Effects of Light Intensity and Red/Far-red Photon Flux Ratio on Nitrate Concentration and Nitrate Reductase Activity in Komatsuna
Flux Ratio Nitrate Concentration Komatsuna
2009/7/10
The effects of light intensity and altered red (R)/far-red (FR) photon flux ratio on nitrate concentration and nitrate reductase (NR) activity in komatsuna (Brassica campestris L. cv. ‘Harumi komatsun...
Practical Use of the Fertigation Control Based on Cumulative Solar Radiation to Decrease the Nitrate Concentration in Spinach Grown in the Greenhouse
fertigation program low nitrate content nitrate utilization application ratio withdrawal of NO3-N
2009/7/8
Spinach plants (Spinacia oleracea L.) were grown in a greenhouse using fertigation based on cumulative solar radiation, and effects on plant growth, nitrate concentration in the leaves, and nitrate ut...
Development of the Fertigation Control Based on Cumulative Solar Radiation to Decrease the Nitrate Concentration in Spinach
fertigation program nitrate accumulation nitrate utilization application ratio NO3-N discharge
2009/7/8
This study confirmed the usefulness of fertigation based on cumulative solar radiation in order to establish a fertigation technique that would decrease the nitrate concentration in spinach leaves (Sp...
Control of Nitrate Concentration in Komatsuna (Brassica rapa L. Perviridis Group) Plants in a Greenhouse at High Temperature Seasons in the Andisols Area
leafy vegetable nitrate nitrogen nitrogen mineralization soil diagnosis
2009/7/7
Komatsuna ‘Natsurakuten’ was cultivated during three successive crop seasons (early summer, late summer, autumn) in the same soil consisted of andisols in a greenhouse. Four fertilization formulae wer...