About KOMIYAMA Teppei
About National Federation of Agricultural Cooperative Assoc.s (ZEN-NOH), Tokyo, JPN
About ITO Toyoaki
About Niigata Agro-Food Univ., Tannai, JPN
About Soil Science and Plant Nutrition
About animal waste
About fertilizer effect
About phosphate fertilizer
About compost
About chicken dropping
About nondestructive analysis
About phosphate
About labile phosphate
About organic phosphorus acid
About phosphate mineral
About chemical composition
About solubility (ratio)
About nutrient absorption
About microbial mineralization
About phosphorus
About struvite
About phytate salt
About cattle manure compost
About Swine manure
About soil component
About Fertilizer application and efficiency
About 家畜糞尿
About 堆肥
About リン