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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
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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...
Nursery Bed Sheet,Amount of Cover Soil and Water Supply Appropriate for “No-Box Nursing” Using Rice “Seed-Mats”
Cover of soil No-box nursing Nursery bed sheet Rice Seedlings
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2009/7/7
Using “seed-mat” consisting of a molded rice-hull mat with hardened rice seeds and cover soil glued on it,we are trying to raise rice seedlings without nursery boxes. The objective of this paper is ...
Phytomass formation and carbon amount returned to soil depending on green manure crop
green manure soil fertility carbon soil organic matter humus content
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2010/1/19
Phytomass formation and carbon amount returned to soil depending on green manure crop.
Effects of organic farming and crop rotations on crop productivity and nutrient amount in the soil
farming systems productivity soil properties balance
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2010/1/19
The experiments were conducted in the trial field with 4 treatments, in various crop
rotations with the plants grown for green manure for the soil supply with nitrogen (the main
nutritional eleme...