Open AccessIntroduction Experiment of High Calcium Tree Species, Saskatoon Berries in the Southern Part of the Ningxia Hui Autonomous Region of Semiarid Loess Hilly Areas
Author(s) -
忠升 郭
Publication year - 2016
Publication title -
shui tu bao chi
Language(s) - English
Resource type - Journals
eISSN - 2334-3338
pISSN - 2334-3435
DOI - 10.12677/ojswc.2016.44009
Subject(s) - loess , geography , tree (set theory) , physical geography , forestry , environmental science , geology , agroforestry , archaeology , geomorphology , mathematics , mathematical analysis