Scientia Agricultura Sinica-Channel: SOIL & FERTILIZER·WATER-SAVING IRRIGATION·AGROECOLOGY & ENVIRONMENT Channel: SOIL & FERTILIZER·WATER-SAVING IRRIGATION·AGROECOLOGY & ENVIRONMENT http://journals.caass.org.cn/zgnykx EN-US http://journals.caass.org.cn/zgnykx/EN/current.shtml http://journals.caass.org.cn/zgnykx 5