Some suggestions are proposed for loess hilly area of south Ningxia. 為寧夏南部黃土丘陵區生態(tài)恢復提出了幾點(diǎn)建議。
The cultivation technique of major fine pasture in the semiarid and loess hilly area wasstudied and reviewed in details. 比較詳細地研究總結了半干旱黃土丘陵區主要優(yōu)良牧草的栽培技術(shù)。
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