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Soil science and soil reclamation
Boi︠a︡nov, Petŭr
Sofii︠a: "Nauka izkustvo" 1957
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2
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Pedometric nature and taxonomic affilation of the primitive soils forme on soft rocks chernozem zone of Northern Bulgaria
Khristov, B., Institute of Soil Science " N. Pushkarov", Sofia (Bulgaria)
Sofia (Bulgaria): Agricultural Academy, Sofia (Bulgaria) 2009
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3
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Interaction of herbicides zenkor and treflan with microflora of Chernozem-Smolnitsa
Bakalivanov, D ; Peneva, A ; Lalova, M
Pochvoznanie i agrokhimiia. Soil science and agrochemistry, 1979, Vol.14 (1), p.89-95
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4
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treatment with methyl bromide a major component of commercial technology
Aleksiev, A
Bulg Tiutiun, 1977, Vol.22 (10), p.28-30
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5
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Investigation of the infusorial fauna of the Black Sea reg ion
Decheva, R
Izv Bul Akad Nauk Zool Inst Muz, 1973, Vol.38, p.137-148
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6
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Pochveni i erozionni prouchvaniia vuv vodosborniia basein na iazovir Topolnitsa
Koinov, Velin
Sofiia, Bulgarskata akademiia na naukite
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7
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Forest soils on carbonate rocks
Georgiev, A
Gorsko stopanstvo, 1976, Vol.32 (1), p.12-16
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8
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Mountain pasture soils of Bulgaria
Penev, T
Vissh Selskostop Inst Vasil Kolarov Nauch Tr, 1969, Vol.18 (4), p.71-80
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9
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Forest soils on calcareous rocks
Georgiev, A
Gorsko Stopanstvo (Bulgaria), 1976, Vol.32 (1)
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10
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Soil deposition as an indicator of the relation of meadow soils to the zonal soils in some regions of Bulgaria
Andonov, T
Natsionalen kongres po pochvoznanie, 1st, Sofia, 1969, 1972, p.405-407
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