- Investigation and model calculations of nitrogen dynamics from intensively managed agricultural ecosystems of South Oldenburg [Germany].
Ökologie und Naturschutz im Agrarraum
- Biological activity of various utilized soils.
Ökologie und Naturschutz im Agrarraum
- Drinking water legislation, pesticides and the legal 'Principle of Concern' embodied in statutory instruments.
Öffentliche Gesundheitswesen
- Ecology and biomass of Phragmites australis (Cav.) Trin. Ex. Steud. in the north-eastern region of the Nile Delta, Egypt.
Écoscience
- Agronomy, soils, physiology and economics of plantation crops: proceedings of the First Annual Symposium on Plantation Crops (PLACROSYM 1.
np. (India), PLACROSYM Standing Committee, 1979
- Integrated watershed management project. Financial analysis of fuelwood plantations and crop production on terraces.
[FAO Report]
- Integrated watershed management project. Manual of communication for rural development on hillside lands.
[FAO Report]
- Integrated watershed management project. Sierra de Omoa (Honduras) forest management unit. Management plan.
[FAO Report]
- Integrated watershed management project. Guide for reforestation in rural communities.
[FAO Report]
- Investigations on the importance of the transpiration behaviour and drought resistance of seedlings of interspecific Vitis crosses for rootstock breeding.
Züchter
- Panolis flammea, Schiff. A Monograph of Forest Entomology.
Zw. Zawod. Lesnik. Polsk.
- The way to natural mono-germ seed.
Zucker
- Spectrographlc Estimation of Lead in Drinking Water and Blood.
Ztschv. f, Hyg. u. Infektionskr
- The Supervision, Manufacture and Sale of lee-Cream and Similar Products.
Ztschr. f. Hyg u Infektionskr.
- Possibilities of the valuation of water-management and recreational role of forests under conditions of market economy.
Zprávy Lesnického Výzkumu
- Studies on the lymphatic system of amphistomes of ruminants: 1. Carmyerius spatiosus (Stiles & Gold-berger, 1910).
Zoologischer Anzeiger
- [English title not available]
Zoologischer Anzeiger
- The morphology of Anonchus mirabilis (Nematoda, Araeolaimida), rare and new for the USSR fauna, from Lake Khanka.
Zoologicheskiĭ Zhurnal
- New and rare species of nematodes from the Uchinsk, Dubossarsk and Mingechaursk water-reservoirs. Contribution II.
Zoologicheskii Zhurnal
- Gully control in basalt soils.
Zimbabwe Agricultural Journal
- A review of the factors affecting the disposal of effluents containing nitrogen and phosphate in Zimbabwe.
Zimbabwe Agricultural Journal
- Re-gionalization of Olsztyn voivodship agriculture.
Zeszyty Naukowe Wyzszej Szkoly Rolniczej Olsztyn (Olsztyn).
- Effect of the suction power of a peat organic soil on evapotranspiration values.
Zesyty Problemowe Postepów Nauk Rolniczych
- Effect of sodium chloride salinity on free amino acids of soil streptomycetes.
Zentralblatt für Mikrobiologie
- Virological control of drinking-water quality - a review.
Zentralblatt für Mikrobiologie
- Cryptosporidiosis. Characterization of a new infection with special reference to water as an infection source.
Zentralblatt für Hygiene und Umweltmedizin
- The presence of Aeromonas in drinking water supplies in the Netherlands.
Zentralblatt für Hygiene und Umweltmedizin
- Induction of microbial surface colonization in copper pipes by drinking water.
Zentralblatt für Hygiene und Umweltmedizin
- Ultraviolet disinfection of drinking water 1. Communication: inactivation of E. coli and coliform bacteria.
Zentralblatt für Hygiene und Umweltmedizin
- Use of UV-irradiation for the disinfection of water IV. Communication: microbiological investigations in the U.V.-susceptibility of cells of E. faecium, E. coli, and P. aeruginosa of different age.
Zentralblatt für Hygiene und Umweltmedizin
- Bacterial regrowth in drinking water. IV. Communication: bacterial flora in fresh and stagnating water during drinking water treatment and in the distribution system.
Zentralblatt für Hygiene und Umweltmedizin
- Use of UV irradiation for the disinfection of water. Vth communication: microbiological studies on the behaviour of bacterial cells of the exponential and the stationary phase in cold and warm drinking water.
Zentralblatt für Hygiene und Umweltmedizin
- Microbiological investigations on the importance of natural and simulated UV transmission through water in the evaluation of UV plants for water disinfection.
Zentralblatt für Hygiene und Umweltmedizin
- Kiev Water Spirochaetes of the Type Sp. ic(erohaemorrhagiae.
Zentralblatt fur Bakteriologie, Parasitenkunde, Infektionskrankheiten und Hygiene, Abt. I (Originale)
- Water hardness and cardiovascular diseases.
Zentralblatt fur Bakteriologie, Parasitenkunde, Infektionskrankheiten und Hygiene, Abt. I
- Enteroviruses in drinking water correlated with the physical-chemical and bacteriological indicators of water quality.
Zentralblatt fur Bakteriologie, Parasitenkunde, Infektionskrankheiten und Hygiene, Abt. I
- Clinical epidemiological studies on endemic chronic arsenic poisoning in children and adults, including observations on children with high- and low-intake of dietary arsenic.
Zentralblatt fur Bakteriologie, Parasitenkunde, Infektionskrankheiten und Hygiene, Abt. I
- Margarinomyces Bu-baki-a Contaminant oî Margarine.
Zentralblatt fur Bakteriologie, Parasitenkunde, Infektionskrankheiten und Hygiene
- The Use of Poly-styrol Products in Drinking Water Pipes. Bacteriological Investigations.
Zentralblatt fur Bakteriologie, Parasitenkunde, Infektionskrankheiten und Hygiene
- The resistance of the aetiological agents of actinomycosis and nocardiosis to some environmental factors. II. Survival in distilled water and in simple aqueous solutions.
Zentralblatt fur Bakteriologie, Parasitenkunde, Infektionskrankheiten und Hygiene
- Resistance of the aetiological agents of actinomycosis and nocardiosis to selected environmental factors. III. Resistance to desiccation.
Zentralblatt fur Bakteriologie, Parasitenkunde, Infektionskrankheiten und Hygiene
- Inoculation experiments with Potato virus A (str. 'Magna 556') on N. glutinosa and some other hosts.
Zentralblatt fur Bakteriologie, Parasitenkunde, Infektionskrankheiten und Hygiene
- The importance of water in the production and processing of milk.
Zentralblatt fur Bakteriologie, 1B
- Sensitivity of viruses to gamma radiation.
Zentralblatt fur Bakteriologie I Abt. Originale
- Hydrological role of coniferous forests in Rila and Pirin mountains.
Zemizdat Sofia.
- Evaluation of sprinkler irrigation - sprinkling intensity.
Zemědělská Technika
- The effects of lukewarm watering on some vegetable species.
Zemědělská Technika
- An economic evaluation of soil loss due to water erosion and the sediment in dams.
Zemědělská Ekonomika
- Mobility of maize herbicides in the soil and their appearance in the groundwater.
Zeitschrift für Pflanzenkrankheiten und Pflanzenschutz
- Amidase and urease activity in soil as affected by sludge, salinity and wetting and drying cycles.
Zeitschrift für Pflanzenernährung und Bodenkunde