天气预报15天查询> 其他> 东北黑土属于什么土

东北黑土属于什么土

更新时间: 2020-10-31 00:00:00     

东北黑土是腐殖土,具有较深厚、含量丰富的腐殖质,其组成以胡敏酸为主,团粒结构良好,土色呈暗灰至黑色。开垦后的黑土,水土流失严重,肥力降低较快,应采取修筑水平梯田、护沟造林、护坡种草及沟壑川台化等防治措施。

中国东北地区,指由辽宁、吉林、黑龙江等三省构成的区域,广义上则包括辽宁、吉林、黑龙江及内蒙古东部地区。土地面积为147万平方公里。

关键词: 东北 黑土 属于 什么

如有意见、反馈、侵权或投诉等情况,请联系:

电话:
邮箱:

我们将会在48小时内给与处理!

版权所有 Copyright ? 2009-2020 tianqiyubao3.com

页面:/news/view-2537399/ | 耗时:0.4972 s | 内存:1.89 MB | 查询:4 | 缓存读取:4 写入:0 | 加载文件:23
select * from tbl_Articles WHERE ArticleID=2537399 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2537399 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2537399 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1092308,1052739,1065361,1050959,987401,1098219,1073025,1080717,1049862,1065917,1086458,1078921,1052807,1092089,1072923,1074902,1068558,1074670,1052749,1071199,1009146,1068330,1051599,1080291,1075907,1063569,1044382,1042765,1071954,1071679) ORDER BY field (ArticleID,1092308,1052739,1065361,1050959,987401,1098219,1073025,1080717,1049862,1065917,1086458,1078921,1052807,1092089,1072923,1074902,1068558,1074670,1052749,1071199,1009146,1068330,1051599,1080291,1075907,1063569,1044382,1042765,1071954,1071679)