Open AccessCurrent humus state of soils in conditions of intensive degradation processes in Moldova
Author(s) -
Tamara Leah
Publication year - 2013
Publication title -
vìsnik lʹvìvsʹkogo unìversitetu. serìâ geografìčna
Language(s) - English
Resource type - Journals
eISSN - 2415-7201
pISSN - 2078-6441
DOI - 10.30970/vgg.2013.44.1224
Subject(s) - chernozem , humus , arable land , environmental science , soil water , soil fertility , agronomy , fertilizer , agriculture , soil science , ecology , biology
The paper contains the research results on the evolution of humus content in the arable soils of the Republic of Moldova during 1961–2010. The current humus state of arable soils caused of the agricultural long period of utilization. Studies carried out in Moldova, more than 140 years ago, found that chernozem contained about 5–6 % of humus. In subsequent years, the natural fertility of the soil of Moldova has been declining. In the present the humus content reached the level of 3.1 % on average for the whole agricultural area. As a result of over 140 years from the original natural soil fertility remains 50–60 %. In the recent years the average doses of applied fertilizers on the Moldovan soils were 25 kg/ha. During the last years, the state programs for remediation of humus content, the chemical, physical and biological soil properties, concerning the soil and water protection by the nutrient pollution and substances of plant protection products have been developed. Key words: humus loss, soil degradation, chernozem, fertilizer, measures.