Changes of earthworm (Oligochaeta, Lumbricidae) communities by interaction of natural and anthropogenic factors. Summary of the doctoral thesis for doctoral degree in biology in environmental sciences, subbranch: nature protection
Ventins, J., University of Latvia, Riga (Latvia). Faculty of Geography and Earth Sciences. Dept. of Environmental Sciences
Impact of extracts derived from organic products on pest damage levels in spring oilseed rape in Latvia
Apenite, I., State Stende Cereals Breeding Inst., „Dižzemes”, Dižstende, Lībagi parish, Talsi County (Latvia) ; Ciematnieks, R., State Stende Cereals Breeding Inst., „Dižzemes”, Dižstende, Lībagi parish, Talsi County (Latvia)
Jelgava (Latvia): Latvijas Lauksaimniecības universitāte 2013
Impact of organic product extracts on potato tuber yield and commodity potatoes in organic crop production system
Vojevoda, L., Latvia Univ. of Agriculture, Jelgava (Latvia). Faculty of Agriculture. Inst. of Agrobiotechnology;State Stende Inst. of Cereal Breeding, Dizstende, Talsu reg. (Latvia) ; Gaile, Z., State Stende Inst. of Cereal Breeding, Dizstende, Talsu reg. (Latvia)
Jelgava (Latvia): Latvijas Lauksaimniecības universitāte 2012