00657naa#a2200265#i#450# EN\\bibl\101719 20250901164919.1 2588-0209 20191225b2019####ek#y0engy0150####ca RU THE BALANCE OF PHOSPHORUS, POTASSIUM, CALCIUM IN PLANT COMMUNITIES OF THE FOOTHILLS AND MIDDLE MOUNTAINS SUBPROVINCE OF DAGESTAN Journal article Moscow Electronic science 2019 0 с. Journal article local mshj.ru