Effektivnye Tekhnologii Rekul'tivatsii Zalezhnykh Meliorirovannykh Zemel' by Sokolova Galina
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Author: Sokolova Galina
Number of Pages: 84 pages
Published Date: 04 Mar 2014
Publisher: LAP Lambert Academic Publishing
Publication Country: United States
Language: Russian
ISBN: 9783659208836
File Name: Effektivnye.Tekhnologii.Rekul'tivatsii.Zalezhnykh.Meliorirovannykh.Zemel'.pdf
Download Link: Effektivnye Tekhnologii Rekul'tivatsii Zalezhnykh Meliorirovannykh Zemel'
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V 60-e gody KhKh veka v Astrakhanskoy oblasti na desyatkakh tysyach gektarov byli zalozheny risovye orositel'nye sistemy. Vo vtoroy polovine 90-kh godov iz-za rezkogo padeniya zakupochnykh tsen na ris, gosudarstvo perestalo finansirovat' soderzhanie krupnykh orositel'nykh sistem, kotorye zarosli i vyshli iz stroya. V to zhe vremya umen'shilis' ob"emy vylova ryby v Volge i Kaspiyskom more, voznikla neobkhodimost' razvitiya prudovogo rybovodstva dlya obespecheniya naseleniya rybnoy produktsiey. V meliorirovannoy zone del'ty Volgi provedeny issledovaniy po opredeleniyu vidovogo sostava sornoy flory na razlichnykh po prodolzhitel'nosti zalezhnykh zemlyakh. Opredeleny ekologicheskie gruppy sornoy rastitel'nosti po faktoru uvlazhneniya. Pokazana pitatel'naya i energeticheskaya tsennost' rasteniy, proizrastayushchikh na zalezhakh. Izucheny vodno-fizicheskie, agrokhimicheskie pokazateli pochvy na zalezhnykh zemlyakh i na uchastkakh, vvedennykh v sel'skokhozyaystvennyy oborot. Predlozheny razlichnye sposoby rekul'tivatsii zalezhnykh zemel', kak bez predvaritel'nogo zatopleniya uchastka, tak i s ispol'zovaniem vodyanogo para v risovykh inzhenernykh sistemakh. Dany rekomendatsii po vyrashchivaniyu v risovykh chekakh na lozhe pruda razlichnykh sel'skokhozyaystvennykh kul'tur.
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