publish year
keyword
coating fertilizer 2
被覆肥料 2
15N 1
alkyd resin 1
biological degradation 1
eluviation 1
groundwater pollution 1
heavy nitrogen 1
polyethylene resin 1
slow-release fertilizer 1
soil enzyme 1
アルキッド系樹脂 1
ポリエチレン系樹脂 1
土壌酵素 1
地下水汚染 1
溶脱 1
生分解 1
緩効性肥料 1
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resource type
school
Result 2 Items
Id (<span class="translation_missing" title="translation missing: en.view.desc">Desc</span>)
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