On introduction and silviculture of Pinus sylvestris var mongolica to the semi-desert area on the east alluvial fan of Helan mountains
1986
Ming Fangfu | Tang Lujun (Ningxia Academy of Agricultural and Forestry Sciences, Yinchuan (China). Forestry Research Inst. )
AGROVOC关键词
书目信息
页码
pp. 28-31
其它主题
Highland; Region d'altitude; Espece; Caractere agronomique; Caracteristicas agronomicas; Introduccion de plantas; Afforestation/ irrigation; Reforestacion/ riego; Zona de montana; Boisement/0440 irrigation
语言
中国人
注释
7 tables
1988-08-15
AGRIS AP