ISSN 2285-5785, ISSN CD-ROM 2285-5793, ISSN ONLINE 2285-5807, ISSN-L 2285-5785


Published in Scientific Papers. Series A. Agronomy, Vol. LXV, Issue 2
Written by Iurii ROZLOGA, Olesea COJOCARU, Lilia BOAGHE, Natalia ȘALAGHINA, Andrei DANILOV

Nature gives the farmer a variety of soils in terms of agronomic fertility, depending on the type of natural vegetation. Different ways of soil formation and their fertility begin to merge into a single channel under agrocenoses due to the impact of cultivated plants on the soil and with the same direction of the biological cycle of substances. The results of research on the genetic peculiarities of leached chernozem in the Northern Plateau Area of Moldova are reported in this article. The authors describe the quality indicators of the researched soils and indicate the variety of physical, physico-chemical and chemical parameters. These soils cover an area of over 380 thousand ha. According to field research, the thickness of the humus profile is 93 cm, which is characterized as strong and deep. The results of laboratory analyzes indicate a humus content in the profile of arable leached chernozems varies from 3.90% in the Ahp horizon to the moderately humiferous class and decreases to 0.49% in the Ck horizon. Also, values of bulk density, texture, carbonates, pH, composition of exchangeable cations on the profile of the researched soil, etc. are determined. Leached chernozems are formed in the conditions of the mesophytic steppes of the forest-steppe zone. The profile is generally molic, leached, that is, completely devoid of carbonates (AmBm/l). Usually, the effervescence starts a little below the lower limit of the B horizon.

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