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скачать - Eco - Tiras

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a) b)Fig. 2. a) Cernoziom tipic postarabil argilo-lutos utilizat 15 ani sub vegetaţie naturală;b) Restabilirea structurii stratului postarabil al cernoziomului tipic înţelenit timp de15 aniFig. 3. Suprafaţa orizontală a solei utilizate 5 ani sub lucernă,pe care a fost amplasat profilul de sol64

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