This alone should justify conserving forests, given how many useful discoveries they yield.
单是这个就可以证明封山育林效果有多好，如果知道他们可以发现多少有益的发明。
West of the pine barrens, the sandy soils give way to finer textured loams , and the empty forests yield to fields of alfalfa and corn , of tomatoes and asparagus.
松树瘠地以西的地方，纹理细腻的沃土取代了沙质的土壤，种植着苜蓿、玉米、番茄和芦笋的田地取代了空旷的森林。
The number of bamboo scientists was significantly correlated to the bamboo yield and the area of bamboo forests.
竹业人士数量与各省际竹材产量、竹林面积显著相关。
From 1989 to 1997, some experiments were done based on high-yield cultivation demonstration construction of dry and fresh fruitlet forests in Hunan.
1997年，依托湖南省干鲜小水果丰产示范林建设进行试验。
The analysis draws conclusions that engineering afforestation is of high quality and young forests are of fast growing, high yield and superior quality.
经成效分析得出工程造林质量高，幼林生长迅速、丰产、优质。
The analysis draws conclusions that engineering afforestation is of high quality and young forests are of fast growing, high yield and superior quality.
经成效分析得出工程造林质量高，幼林生长迅速、丰产、优质。
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