Table 39: Weed control measures adopted by survey farmers.
Weed control measures |
Farm type |
||||
Sheep, beef, |
Sheep, beef, |
||||
Dairy |
deer |
deer |
Hobby |
||
larger units |
smaller units |
su < 50 |
|||
su > 500 |
su 50-500 |
||||
| Number of days spent on | n=67 |
n=63 |
n=76 |
n=67 |
n=273 |
| weed control | |||||
| Mean (days) | 34 |
23 |
19 |
14 |
22 |
| Std. dev. | 35 |
20 |
31 |
17 |
|
| Median (days) | 30 |
20 |
8 |
7 |
|
| Method of weed control | |||||
| A. Chemical sprays | n=70 |
n=71 |
n=82 |
n=78 |
n=301 |
| - Not used | 1.4 |
7.0 |
6.1 |
25.6 |
|
| - Not important | 4.3 |
5.6 |
11.0 |
20.5 |
|
| - Important | 31.4 |
50.7 |
59.8 |
39.7 |
|
| - Very important | 62.9 |
36.6 |
23.2 |
14.1 |
|
| Chi-square | 74.3 (d.f=9)*** |
||||
| B. Cutting/grubbing plants | n=70 |
n=72 |
n=82 |
n=78 |
n=302 |
| out or removal of | |||||
| flowering head | |||||
| - Not used | 15.7 |
20.8 |
6.1 |
11.5 |
|
| - Not important | 8.6 | 9.7 |
4.9 |
5.1 |
|
| - Important | 45.7 |
43.1 |
63.4 |
48.7 |
|
| - Very important | 30.0 |
26.4 |
25.6 |
34.6 |
13.9 (d.f.=9)NS |
| Chi-square | |||||
| C. Livestock grazing | n=70 |
n=72 |
n=82 |
n=78 |
n=302 |
| pressure | |||||
| - Not used | 34.3 |
20.8 |
18.3 |
28.2 |
|
| - Not important | 22.9 |
9.7 |
14.6 |
6.4 |
|
| - Important | 31.4 |
47.2 |
47.6 |
51.3 |
|
| - Very important | 11.4 |
22.2 |
19.5 |
14.1 |
|
| Chi-square | 20.0 (d.f.=9)** |
||||
| D. Biological control | n=70 |
n=72 |
n=82 |
n=8 |
n=302 |
| - Not used | 58.6 |
95.0 |
79.3 |
73.1 |
|
| - Not important | 47.5 |
16.7 |
3.7 |
7.7 |
|
| - Important | 14.3 |
23.6 |
17.0 |
19.2 |
|
| - Very important | - |
- |
- |
- |
|
| Chi-square | 23.6 (d.f.=9)** |
||||
Source: ADOPTECH Survey 1996.
| © MAF 2000 | ||
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