00797naa#a2200157#i#450# EN\\bibl\12299 20250421003642.1 20241007b2024####ek#y0engy0150####ca RU THE HISTORY OF THE DEVELOPMENT OF VIRGIN LANDS AND MODERN PROBLEMS IN AGRICULTURE IN SIBERIA Conference article/thesis Krasnoyarsk Krasnoyarsk Scientific Research Institute of Agriculture is a separate division of the Federal Research Center KSC SB RAS 2024 3 с. Conference article/thesis local Освоение и окультуривание неудобных земель. Освоение старых культурных земель. Освоение целинных земель. 631.61 Boyko V. S. apk124.krasn.ru