| chemurgy(noun, form, study, science, field) |
| clay matter(noun, expression, study, treatment, science) |
| crop(noun, form, study, science, field) |
| cultivation(noun, study, treatment, science, knowledge) |
| environmental monitoring(noun, expression, form, study, science) |
| environmental remediation(noun, expression, form, study, science) |
| eutrophication(noun, study, treatment, science, knowledge) |
| ferruginous matter(noun, expression, study, treatment, science) |
| fertility(noun, study, treatment, science, knowledge) |
| fertility of soil(noun, expression, form, study, science) |
| fertilizer(noun, form, study, science, field) |
| food chain(noun, expression, study, treatment, science) |
| fungicide(noun, form, study, science, field) |
| genetically modified crop(noun, expression, study, treatment, science) |
| herbicide(noun, form, study, science, field) |
| insecticide(noun, form, study, science, field) |
| life process(noun, expression, form, study, science) |
| limestone(noun, study, treatment, science, knowledge) |
| liming(noun, study, treatment, science, knowledge) |
| livestock(noun, form, study, science, field) |