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| effective agent (удобрений); primary nutrient (удобрений N, P2O5, K2O); primary plant food | |||
| effector | |||
| primary nutrient basis (удобрений) | |||
| principle (вещества) | |||
| active material (удобрений); primary material (удобрений); primary nutrient | |||
| factor; active principle (активное; напр., лекарственного средства); effective agent | |||
| active ingredient; primary plant nutrient; agent; primary nutrient (удобрений); primary nutrients | |||
| действующее начало: 89 фраз в 21 тематиці |