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The studies were conducted in the Rostov region I 2009-2014. The object of research is black southern chernozems (zonal soils) and alkali fine soils, which make up integrated soil cover with more than 35% alkali. According to the scheme of the experiment, the effect of phosphogypsum (PG) applied in doses 5 and 10 t/ha on alkali and zonal soils properties at the background of deep tillage by application of accepted (overall application) and proposed (selective application) practices on soil complex has been studied.
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Library Resource
France, United States of America, Spain, Chile, Germany, China, Ukraine, Indonesia, Bulgaria, United Kingdom, Canada, Finland, New Zealand, Japan, South Africa, Australia, Italy, Portugal, Argentina, India, Russia, Brazil
An analysis of the present state of forest plantations and of current trends in plantation forestry both on a global basis and region-by-region. Economic and policy considerations in the development of plantation forestry are discussed. The outlook for plantation forestry is then presented in the form of alternative scenarios according to future growth in plantation area.
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