Ключевые слова: 30s, agriculture, agronomist, agronomy, analysis, certification, control, dawn, drilling, earth, ecology, environment, equipment, farming, farmland, field, geochemical, geology, geotechnical, grain, ground, inspection, inspector, male, man, morning, nature, one, organic, outdoor, pesticides, pollution, potential, probe, process, project, protection, quality, quality control, research, sample, sampler, sampling, science, soil, soil sample, technology, test, work,