研究文章
除草剂对微生物群落的影响,玉米根际土壤脲酶活性的成熟阶段
|
| 土层(cm) |
治疗 |
香农 |
王牌 |
曹国伟1 |
| 测量值 |
△CK (%) |
测量值 |
△CK (%) |
测量值 |
△CK (%) |
|
| 0-20 |
CK |
7.6 |
- - - - - - |
26109.7 |
- - - - - - |
15204.3 |
- - - - - - |
| A0 |
7.6 |
0.9 |
30042.1 |
15.1 |
16573.7 |
9.0 |
| A1 |
7.5 |
-1.2 |
20645.4 |
-20.9 |
13299.7 |
-12.5 |
| A2 |
7.7 |
2.3 |
25091.6 |
-3.9 |
15564.7 |
2.4 |
| A3 |
7.8 |
3.2 |
27539.3 |
5.5 |
16687.2 |
9.8 |
| A4 |
7.5 |
-0.2 |
29388.9 |
12.6 |
16735.1 |
10.1 |
| 20 - 40 |
CK |
7.6 |
- - - - - - |
31795.4 |
- - - - - - |
17283.6 |
- - - - - - |
| A0 |
7.5 |
-1.6 |
21090.5 |
-33.7 |
12400.6 |
-28.3 |
| A1 |
7.4 |
-3.1 |
24043.1 |
-24.4 |
14098.2 |
-18.4 |
| A2 |
7.4 |
-2.3 |
30041.6 |
-5.5 |
16472.0 |
-4.7 |
| A3 |
7.4 |
-2.4 |
18942.7 |
-40.4 |
11330.8 |
-34.4 |
| A4 |
7.6 |
-0.3 |
33844.3 |
6.4 |
17851.1 |
3.3 |
| 奖金的 |
CK |
7.5 |
- - - - - - |
19817.4 |
- - - - - - |
12125.5 |
- - - - - - |
| A0 |
7.8 |
4.1 |
30746.0 |
55.2 |
18073.9 |
49.1 |
| A1 |
7.3 |
-3.2 |
21884.8 |
10.4 |
13089.6 |
8.0 |
| A2 |
7.6 |
1.5 |
22149.7 |
11.8 |
13397.3 |
10.5 |
| A3 |
7.5 |
0.5 |
25644.3 |
29.4 |
15070.1 |
24.3 |
| A4 |
7.5 |
-0.3 |
29077.7 |
46.7 |
16219.4 |
33.8 |
|
|
|
注意:CK,没有除草剂-控制;A0,玉米preemergence特异性的除草剂,dinitraniline(主动控制);A1-A4:四preemergence maize-specific除草剂,nicosulfuron +莠去津,草不绿+乙草胺+莠去津,propisochlor +阿特拉津和乙草胺+莠去津,分别。
|