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sanitary fell | |||
sanitation cutting; sanitation felling | |||
salvage felling | |||
salvage cutting | |||
improvement cutting; removal of obnoxious trees | |||
environmental harvesting (леса); sanitary felling | |||
sanitary felling (проводимая в древостоях для уборки сухостоя, бурелома, ветровала) | |||
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sanitation cutting | |||
environmental harvesting (рубки, создающие благоприятные условия для формирования насаждений); prelogging; sanitary felling; sanitation salvage cutting | |||
sanitation salvage cutting |
санитарная рубка: 4 phrases in 3 subjects |
Ecology | 2 |
Forestry | 1 |
Technology | 1 |