About OTOMO RYO
About 農研機構 北海道農研
About OKA NORIKUNI
About 農研機構 北海道農研
About 日本土壌肥料学会講演要旨集
About soil fungus
About phosphate fertilizer
About fertilization (cultivation)
About Hokkaido
About Glycine max
About soil microorganism
About Symbiosis
About host
About Brassicaceae
About Chenopodiaceae
About Polygonaceae
About absorption promoter
About soil conditioner
About Zea mays
About rotation cropping
About plant growth
About crop yield
About climatic variation
About demonstration experiment
About soil fertility
About vesicular-arbuscular mycorrhiza
About mycorrhizal fungi
About reduction of fertilizer application
About native variety
About host plant
About plant physiology
About native variety
About host plant
About Interaction between dissimilar organisms
About Soil organisms
About Fertilizer application and efficiency
About Influence on plants
About Pulses
About 菌根菌
About 活性
About リン酸施肥
About 北海道
About ダイズ
About 栽培