Ecological problems of hydromeliorations and irrigatioa agriculture
1997
Petkov, P. | V"rlev, I. (Institut po Khidrotekhnika i Melioratsii, Sofia (Bulgaria))
On the basis of the results from conducted observations and investigations in Bulgaria, the authors present the main unfavourable ecological consequences in irrigated and drained lands, as well as the reasons and the factors affecting their arisal.
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