black earth
- black earth的基本解释
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黑土(一种煤矿石, 捣碎后用于壁画), 黑钙土, 垆
- 更多网络例句与black earth相关的网络例句 [注：此内容来源于网络，仅供参考]
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It is worth noting that Russia's land is very fertile, as the founder of the Russian agrology Dokukin恰耶夫pointed out, the black soil zone is Russia's main source of wealth, Russia's black earth has lost 20%-50% of humus, However, it is still the world's most fertile soil.
值得注意的是，俄罗斯的土地非常肥沃，正如俄罗斯土壤学奠基人多库恰耶夫指出的那样，黑土地带是俄罗斯的主要财富，俄罗斯的黑土地曾丢失了20%-50%的腐殖质，但仍是世界上最肥沃的土壤。
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The results show that under crop rotation of wheat and maize in damp soil and brown soil, stalks return to fields integrated with applying potash fertilizer can keep K balance within a cycle and K return rate reaches 109.1%～111.9%, annual wheat stalks return to fields can provide 226.5～261.0 kg/hm2 K, meanwhile the K return rate reaches 95.2%～97.1% for only applying potash fertilizer; under crop rotation of wheat and soy bean in grittiness black earth, only applying potash fertilizer can also keep K balance within a cycle, its K return rate reaches 119.9%, meanwhile the K return rate reaches 142.0% for stalks return to fields integrated with applying potash fertilizer, which result from maize being much more absorption to K than soy bean.
在砂姜黑土区小麦+大豆轮作制度下，即使小麦秸秆不还田，仅施用化学钾肥，亦能维持小麦-大豆轮作周期钾素的平衡。施钾配合秸秆还田处理，钾归还率达142.0%，施钾且秸秆不还田处理钾归还率达119.9%。主要是大豆不象玉米那样带走较多的钾造成的。
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Has a large fertile "black earth"(representing the world's "black belt" of the total area of 40%), hold more than 70 kinds of mineral resources, such as bitumen, anthracite, iron, manganese, chromium, titanium, lead, zinc, aluminum, mercury, nickel, and a certain amount of natural gas and oil, which account for bituminous and anthracite reserves of the former Soviet Union for 60% of the total.
拥有大片肥沃的&黑土带&（占全世界&黑土带&总面积的40%），蕴藏着70余种矿藏资源，如沥青、无烟煤、铁、锰、铬、钛、铅、锌、铝、汞、镍和一定量的天然气和石油，其中沥青和无烟煤均占前苏联总储藏量的60%。
- 更多网络解释与black earth相关的网络解释 [注：此内容来源于网络，仅供参考]
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black gold of Transylvania：石油
black earth 黑土 | black gold of Transylvania 石油 | black gold 石油
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black durain：黑色暗煤
black dot 黑斑 | black durain 黑色暗煤 | black earth 黑土
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black flowered：黑花的
black earth 黑色土壤 | black flowered 黑花的 | black lipid film 黑脂膜