18kg

1

In the closed forest with crown density at 70 % , smoky agent Dima and lindane in 18kg / hm2 to control 1st - 3rd instar larvae can generate 90 % in control effect .

在郁闭度0.7以上的林分，用18kg/hm2敌马烟剂、林丹烟剂防治1~3龄幼虫，防效达90%。
2

I lost roughly40lbs [ 18kg ] , tore my groin and my hip , and the ends of my big toes might always be numb , but that 's not a big deal .

这场灾难使我瘦了近40磅（约18公斤），腹股沟和臀部均有拉伤，双脚的大脚趾都失去了知觉，大概以后也不会恢复了，还好不是什么大碍。
3

If we fertilized continually , the quantity of phosphor surplus in the soil reached the 60 % of fertilizing quantity ; If we did not fertilize phosphor , the average defective value of phosphor in the soil was 18kg / hm 2 every year .

连续施肥土壤磷素盈余量达到施肥量的60%，不施磷肥土壤磷素亏缺，平均每年亏缺18kg/hm2。