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Salt tolerance of spinach as related to seasonal climate
salt stress leafy vegetables gas exchange temperature
2016/3/11
Three sets of experiments with spinach (Spinacia oleracea L., cv. Racoon) were conducted under saline water irrigation during different time periods between December 7, 2012–June 15, 2013 to understan...
Application of synchrotron radiation X-ray fluorescence to investigate the distribution of mineral elements in different organs of greenhouse spinach
spinach distribution of mineral elements synchrotron radiation XRF
2015/1/28
Consumption of vegetables is one of the most important ways of providing the body with mineral elements. However, it is not clear how mineral elements are distributed in different organs of vegetables...
Evaluation of Nitrogen Availability Based on the Amount of Extractable Soil Organic Nitrogen and Suggestion for the Proper Fertilization in Rain Shelter-grown Spinach
fertilization manure compost nitrogen uptake sulfate-extractable organic nitrogen
2010/11/24
Absorbance at 280 nm in soil extracts with 0.4 M sulfate solution was highly correlated with the concentration of total N in the extracts of different soils. Therefore, we proposed an easy detection p...
Effects of the Diurnal Change of Solar Radiation and the Temperature on the Change of Ascorbic Acid Content of Spinach
light intensity vitamin C weather
2010/11/24
Ascorbic acid content is an important factor in spinach (Spinacia oleracea L.) quality. In this study, we investigated the effects of the amount of solar radiation and temperature on the ascorbic acid...
Effect of Air Temperature on the Content of Sugar and Vitamin C of Spinach and Komatsuna
Air Temperature Sugar and Vitamin C Spinach Komatsuna
2009/7/13
The relationship between the sugar and vitamin C contents in spinach (Spinacia oleracea L) and komatsuna (Brassica campestris L) and the maximum, minimum and mean air temperatures during the cultivati...
Seasonal Variation of L-Ascorbic Acid and Nitrate Content of Commercially Available Spinach
L-Ascorbic Acid Nitrate Content Spinach
2009/7/10
The seasonal variations of L-ascorbic acid and nitrate concentration in spinach purchased at a market in Ayabe city, Kyoto pref. were investigated. Spinach samples were purchased from the market 2-3 t...
Effect of Continuous Application of Compost Made from Cattle Waste and Sawdust on the Growth and Nitrogen Uptake of Spinach (Spinacia oleracea L.)
inorganic nitrogen organic nitrogen
2009/7/9
Spinach (Spinacia oleracea L.) is one of the major agricultural products in Iwate prefecture, Japan. To evaluate the effect of compost made from cattle waste and saw dust, the growth and nitrogen (N) ...
Effects of Iodine on Growth and Iodine Absorption of Hydroponically Grown Tomato and Spinach
disinfectant hydroponics iodate iodide iodine enriched food
2009/7/8
The effects of I− and IO3− on the growth and iodine absorption of tomato and spinach plants were investigated using a non-recirculating hydroponic system. Tomato and spinach plants were gr...
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...
Manganese Deficiency of the Andosol in Northern Part of Gifu Pref. Caused the Yellow Spot in Spinach in Takayama City, Takane-cho
Analysis Andosol Leaf Manganese Soil Spinach Takayama city
2009/7/8
Yellow spotting between the veins of spinach leaves has hindered the cultivation of spinach in the Andosol in Takane-cho district in Takayama city. This symptom was frequently seen in this district, ...
A Cultivation Method of Spinach with a Low Potassium Content for Patients on Dialysis
Dialysis patients of nephropathy Magnesium Osmotic adjustment Potassium Sodium
2009/7/8
In recent years, the number of patients on dialysis due to kidney failure is tending to increase in Japan. These patients must restrict potassium intake, because they cannot excrete the potassium ion ...
Changes in the Ascorbic Acid Content of Shaded Spinach after the Removal of Shading
light intensity summer season vitamin C water content
2009/7/7
Ascorbic acid content is an important factor in spinach (Spinacia oleracea L.) quality. In this study, we investigated the number of days after the removal of shading material that would be required t...
White Powder Attached to the Leaves of Spinach
ball-like powder capillary electrophoresis foreign matters nitrate reduction organic acids
2009/7/7
Powdery white and ball-like structures are often observed on spinach leaves and are often mistaken for foreign hazardous matters by consumers. We observed and analyzed these powders. The diameter of t...
Development of Iodine Agent Sterilizer for Soilless Culture and Its Effect on the Control of Spinach Fusarium Wilt
disease damage disinfectant NFT nutrient solution
2010/11/23
The reaction of iodine in the nutrient solution was investigated. Iodine reacted only with Fe-EDTA very slowly, iodine in a Fe-EDTA solution decreased from 10 ppm to 1 ppm one day later. Iodine stabil...