天气预报 > 其他 > 土壤中腐殖质越多越好吗
土壤中腐殖质越多越好吗
更新时间: 2020-09-18 00:00:00  

土壤腐殖质是土壤有机质的一部分,在黑龙江某科研单位的研究中发现,有机质并不是越多越好,在有机质大于百分之九的土壤中随着有机质的提高土壤的生产力反而下降。在有机质从百分之一至百分之九的土壤中,随着有机质的升高土壤的生产力上升。

关键词: 土壤 腐殖质

土壤中腐殖质越多越好吗相关经验

天气预报

最新推荐

页面:/news/view-1602826/ | 耗时:0.9729 s | 内存:2.11 MB | 查询:4 | 缓存读取:3 写入:0 | 加载文件:25
select * from tbl_Articles WHERE ArticleID=1602826 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1602826 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1602826 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1086474,1081861,1088862,1082451,1117049,1058317,1071619,1077619,1065843,1080375,1072865,1091443,1045603,1092417,1072030,1098483,1101735,1101197,1106924,1066442,1063021,1092402,1092038,1083486,1100655,1100819,1081408,1069843,1077862,1102054) ORDER BY field (ArticleID,1086474,1081861,1088862,1082451,1117049,1058317,1071619,1077619,1065843,1080375,1072865,1091443,1045603,1092417,1072030,1098483,1101735,1101197,1106924,1066442,1063021,1092402,1092038,1083486,1100655,1100819,1081408,1069843,1077862,1102054)