Vavilov, who would go on to contribute greatly - albeit controversially during Stalin's rule. Vavilov was greatly disliked by Lysenko but after his death was recognised as a hero to Soviet agricultural research and indeed to agricultural science worldwide. Under Supreme Soviet legislation the experimental plots/fields of agricultural research and agricultural educational institutions were inviolable, not to be seized and repurposed even by state agencies. Exceptions could be made rarely and only by the USSR or Republic governments themselves. See also Agriculture in Russia Agriculture in the Russian Empire Famines in Russia and USSR Passport system in the Soviet Union Trofim Lysenko References Citations Cited sources Further reading Davies, Robert, and Stephen Wheatcroft. The years of hunger: Soviet agriculture, 1931–1933 (Springer, 2016). Davies, Robert William, and Richard W. Davies. The socialist offensive: the collectivisation of Soviet agriculture, 1929-1930 (London: Macmillan, 1980). Figes, Orlando. The Whisperers: Private Life in Stalin's Russia. "Macmillan". 2008 Frese, Stephen J. "Comrade Khrushchev and Farmer Garst: East-West Encounters Foster Agricultural Exchange." The History Teacher 38#1 (2004), pp. 37–65. online. Hale-Dorrell, Aaron. "The Soviet Union, the United States, and Industrial Agriculture" Journal of World History (2015) 26#2 pp 295–324. Hale-Dorrell, Aaron. Corn Crusade: Khrushchev's Farming Revolution in the Post-Stalin Soviet Union (2019) PhD dissertation version. Hedlund, Stefan. Crisis in Soviet agriculture (1983). Hunter, Holland. "Soviet Agriculture with and without Collectivization, 1928-1940." Slavic Review 47.2 (1988): 203-216. online Karcz, Jerzy, ed. Soviet and East European Agriculture (1967) McCauley, Martin. Khrushchev and the Development of Soviet Agriculture: Virgin Land Program, 1953-64 (Springer, 2016). Volin, Lazar. "Soviet agriculture under Khrushchev." American Economic Review 49.2 (1959): 15-32 online. Volin, Lazar/ Khrushchev and the Soviet agricultural scene (U of California Press, 2020). Soviet Union