The codes of good agricultural practice for the Leningrad region : rules and recommendations : part 1 animal husbandry and fodder production

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The codes of good agricultural practice for the Leningrad region : rules and recommendations : part 1 animal husbandry and fodder production

Semenov, Victor A. (ed.); Minin, Vladislav B. (ed.); Huhta, Harri (ed.) (2006)

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