| natural environment(noun, expression, form, nature, study) |
| plant growth(noun, expression, form, study, treatment) |
| pesticide(noun, form, study, science, field) |
| vegetable matter(noun, expression, study, treatment, science) |
| aggregate(noun, form, study, science, field) |
| agricultural principle(noun, expression, study, treatment, science) |
| agricultural production(noun, expression, form, study, science) |
| agricultural progress(noun, expression, form, study, science) |
| agricultural yield(noun, expression, study, treatment, science) |
| animal feed supplement(noun, expression, form, study, science) |
| animal growth(noun, expression, form, study, science) |
| biochemical reaction(noun, expression, form, study, science) |
| burning(noun, study, treatment, science, knowledge) |
| calcareous matter(noun, expression, study, treatment, science) |
| chemical analysis(noun, expression, study, treatment, science) |
| chemical composition(noun, expression, form, study, science) |
| chemical operation(noun, expression, study, treatment, science) |
| chemical product(noun, expression, form, study, science) |
| chemical raw material(noun, expression, form, study, science) |
| chemical test(noun, expression, study, treatment, science) |