2 A2/A-level resources Search within results Go How ratings and recommendations work Apply Filter resourcesClear all filtersLevelClear filter A2/A-level Subject Environmental Science/Studies Exam board AQA TopicClear filter Agriculture. Herbicides. Resources Revision Notes Plant and animal hormones A2/A-level, Environmental Science/Studies Revision notes Types of herbicides. A2/A-level, Environmental Science/Studies Revision notes Search again