TY  JOUR
TI  Improving the efficiency of drainage systems by arranging drains in two tiers
KW  cavity-free drainage
KW  drainage
KW  poorly permeable soils
KW  drainage cost
KW  closed collectors
JO  Melioration and Water Management
AU  Ponomarev, A.B.
AU  Shtykov, V.I.
AU  Yanko, Y.G.
PY  2026
IS  2025
PB  ANO Editorial Board Melioration and water management