题型:综合题 题类:常考题 难易度:普通
MeSA /mmol•L﹣1 | 处理时间 /h | 植食性害虫 /头•0.25m﹣2 | 捕食性天敌 /头•0.25m﹣2 | 寄生性天敌 /头•0.25m﹣2 | 益害比 天敌数:害虫数 |
0 | 24 | 338.2 | 6.5 | 13.8 | 1:16.7 |
48 | 586.6 | 13.8 | 22.3 | 1:16.2 | |
0.1 | 24 | 305.3 | 9.4 | 17.5 | 1:11.3 |
48 | 515.7 | 13.2 | 33.4 | 1:11.1 | |
0.2 | 24 | 298.8 | 11.0 | 23.2 | 1:8.7 |
48 | 436.3 | 18.8 | 40.4 | 1:7.4 | |
0.4 | 24 | 273.6 | 12.7 | 19.4 | 1:8.5 |
48 | 332.3 | 15.6 | 36.5 | 1:6.4 | |
0.8 | 24 | 259.6 | 8.8 | 15.2 | 1:10.8 |
48 | 327.5 | 12.1 | 34.6 | 1:7.0 |
试题篮