
黄土高原旱地农业自然生产力潜势评价——兼论旱地农业的出路
EVALUATION OF THE NATURAL PRODUCTIVITY POTENTIAL OF THE DRY FARMING ON THE LOESS PLATEAU AND DISCUSSION OF THE OUTLET OF THE DRY FARMING
{{custom_ref.label}} |
{{custom_citation.content}}
{{custom_citation.annotation}}
|
/
〈 |
|
〉 |