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Intensification of for age crop production 1n the GDR by sprinkler irrigation and fertilization

Willi Breunig, Humboldt-University Berlin
Wolfgang Henkel, Humboldt-University Berlin
Rudolf Jauert, Akademie der Landwirtschaftswisscnschaflen der Dcutschcn Demokrntischen Republik
Dieter Roth, Akademie der Landwirtschaftswissenschaften der Deutschen Demokratischen Republik, GDR

The application of EDP programmes for calculating the fertilization of grassland

Hermann Ansorge, Akademie der Landwirtschaftswissenschaften
Hans Gorlitz, Akademie der Landwirtschaftswissenschaften
Werner Bergmann, Akademie der Landwirtschaftswissenschaften
Bodo Witter, Akademie der Landwirtschaftswissenschaften

Projecting the fertilization practices in the grassland fund in Czechoslovakia

Alfred Frycek, Research Institutes of Plant Production, Praha-Ruzyne, Czechoslovakia
Josef Kralovec, The Grassland Station of the Institute for the Scientific System of Farming

Factory-like practices of mineral fertilizer application on 12,000 hectares of grassland in the territory of the See­ hausen/ Altmark Agrochemical Centre

Ernst Jesse, Agrochemisches Zentrum Seehausen/Altmark, GDR
Gunter Janicke, Akadernie der Landwirtschaftswissenschaften
Klaus Siegmeyer, Akadernie der Landwirtschaftswissenschaften

The effectiveness of mineral fertilizers on meadows in the Western Ukraine

V D. Gorb, Research Institute of Agriculture and Animal Husbandry for Western Ukraine
M T. Yarmolyuk, Research Institute of Agriculture and Animal Husbandry for Western Ukraine

Programming the effect of fertilizers on the yield of sown grassland

A Levkovski, Kiev Grassland Culture Experiment Station, Litvinovka, Kiev Region, Soviet Union

Forage production with intensive fertilization and sprinkler irrigation for the supply of a dairy farm working on an industrial scale

Gerhard Weinreich, LPG Pflanzenproduktion "VIII. Parteitag" Dedelow, GDR
Wolfgang Richter, LPG Pflanzenproduktion "VIII. Parteitag" Dedelow, GDR
Jurden Gellrich, Akademie der Landwirtschaftswissenschaften der Deutschen Demokratischen Republik
Manfred Meyer, Akademie der Landwirtschaftswissenschaften der Deutschen Demokratischen Republik

Some problems regarding nitrogen fertilization of sown grassland

Wolfgang Kreil, Akademie der Landwirtschaftswissenschaften
Albrecht Baath, Akademie der Landwirtschaftswissenschaften

Effect of autumn and spring dates of application of nitrogen fertilizer on the herbage yield and crude protein content in dry matter

Ondrej Tomka, Vyskumny Ustav Luk a Pasienkov, Banska Bystrica, Czechoslovakia
Eugen Lihan, Vyskumny Ustav Luk a Pasienkov, Banska Bystrica, Czechoslovakia

Nitrogen utilization on permanent grassland as dependent on the level of fertilization

Gustaw Michna, Zootechniczny Zaklad Doswiadczalny Grodziec Slaski, Poland

Influence of differed N fertilization on pangola grass (Digitaria decumbens Stent.)

J J. Paretas, Estacion Central de Pastos "Niiia Bonita", Miramar, La Habana, Cuba
M Cardenas, Estacion Central de Pastos "Niiia Bonita", Miramar, La Habana, Cuba

Use of nitrogen on pangola grass (Digitaria decumbens Stent.) in Cuban conditions

J J. Paretas, Estacion Central de Pastos "Niiia Bonita", Miramar, La Habana, Cuba

Nitrogen fertilization in tropical brown soils in the Escambray Region, Cuba

J L. Aspiolea, Estacion Experimental de Fertilizantes en Pastos, Escambray, Cuba
O Arteaga, Estacion Experimental de Fertilizantes en Pastos, Escambray, Cuba

Effect of high nitrate fertilization on the yield and biological value of grasses tested by common vole

Slawomir Pronczuk, Zaklad Doswiadczalny Hodowli i Aklimatyzacji R6slin, Bartazek, Poland
Janina Gnat, Zaklad Doswiadczalny Hodowli i Aklimatyzacji R6slin, Bartazek, Poland
Tadeusz Szuperski, Akademia Rolnicza

The application of liquid nitrogen to grass pastures

V Iglovikov, All-Union Williams Forage Research Institute, Moscow Region, Soviet Union
V Kulakov, All-Union Williams Forage Research Institute, Moscow Region, Soviet Union
M Vasilevski, All-Union Williams Forage Research Institute, Moscow Region, Soviet Union

Influence of nitrogen on yield and variations of the botanical composition of the plant stand at different cutting frequency on periodically flooded meadows bor­dering the lower course of the river Niemen

Yu Yu Grigalasukas, Yoke Branch of the Lithuanian Research Institute of Agriculture, Soviet Union
Ch. C. Chyapas, Yoke Branch of the Lithuanian Research Institute of Agriculture, Soviet Union
Z K. Apalia, Yoke Branch of the Lithuanian Research Institute of Agriculture, Soviet Union

The residual effect of fertilizer nitrogen on grassland within one growing season

W H. Prins, Institute for Soil Fertility, Haren (Gr.), The Netherlands
P.F J. Van Burg, Institute for Soil Fertility, Haren (Gr.), The Netherlands

Effect of the nitrogenous fertilizer level on the performance of bulls grazing on common pangola grass (Digitaria decumbens Stent.) at two stocking rate levels

L R. Valdes, Est. Exper. de Pastos y Forrajes "Indio Hatuey",.Perico, Matanzas, Cuba
A Perdomo, Est. Exper. de Pastos y Forrajes "Indio Hatuey",.Perico, Matanzas, Cuba

Study on a proper nitrogen and potassium fertilization of forage grasses

Edmund Nowacki, Jnstytut Uprawy Nawozenia i Gleboznawstwa, Pulawy, Poland

The intensification of grass production through nitrogen fertilization, and the nitrate problem

Klau Ebert, Institut fiir Diingungsforschung Leipzig/Potsdam
Henrich Koriath, Institut fiir Diingungsforschung Leipzig/Potsdam
Gunter Rinno, Institut fiir Diingungsforschung Leipzig/Potsdam

Dynamics of efficiency and chemical composition of meadow grasses

Jan Filipek, Akademia Rolnicza
Miroslaw Kasperczyk, Akademia Rolnicza

The effect of different levels of peat decomposition and nitrogen fertilization on the content of N, Mg, Na, and Cu in hay

Irmina Lekawska, Instytut Melioracji i Uiytkow Zielonych, Raszyn, Falenty, Poland
Leon Doboszynski, Instytut Melioracji i Uiytkow Zielonych, Raszyn, Falenty, Poland
Andrezej Sapek, Instytut Melioracji i Uiytkow Zielonych, Raszyn, Falenty, Poland

The effect of nitrogen fertilization and age of regrowth on the chemical composition of Coast Cross No. 1 bermuda grass (Cynodon dactylon)

R Herrera, lnstituto de Ciencia Animal, San Jose de las Lajas, La Habana, Cuba
N Ramos, lnstituto de Ciencia Animal, San Jose de las Lajas, La Habana, Cuba

Raising the value off orage at higher rates of nitrogenous fertilizer application

Josef Kralovec, The Grassland Station of the Institute for Scientific System of Farming
Alfred Frycek, Research Institutes of Plant Production

Nitrogen fertilization effect on the chemical composition of Phalaris arundinacea, Alopecurus pratensis, and Poa pratensis

Jan Kowalczyk, Instytut Melioracji i Uzytk6w Zielonych, Raszyn, Falenty, Poland

Some remarks concerning the theory of nutrition and biology of grass stands

A Korab, Vysoka Skola Zemedelska, Brno, Czechoslovakia

Problems of nitrogen nutrition of Medicago sativa L. with respect to rhizobia

Eduard Halva, Vysoka Skola Zemedelska, Brno, Czechoslovakia
Josef Lesak, Vysoka Skola Zemedelska, Brno, Czechoslovakia

Effect of different mineral fertilizers on yield and quality of grassland

Janos Varga, University of Agricultural Sciences of Keszthely, Hungary
Maria Nagy, University of Agricultural Sciences of Keszthely, Hungary
Jozsef Schummel, University of Agricultural Sciences of Keszthely, Hungary

Growing lucerne/ grass mixtures at intensive nitrogen fertilization

Anna Jelinowska, Instytut Uprawy Nawo:i:enia i Gleboznawstwa, Pulawy, Poland

Productivity of field grass and perennial leguminous plants as influenced by nitrogen fertilization on different sites

R Jauert, Akademie der Landwirtschaftswissenschaften der Deutschen Demokratischen Republik, GDR
O Hagemann, Akademie der Landwirtschaftswissenschaften der Deutschen Demokratischen Republik, GDR
H Ansorge, Akademie der Landwirtschaftswissenschaften der Deutschen Demokratischen Republik, GDR

Increasing fertility and improving the biological profile of heavy meadow soils

D Haken, Vyzkumny Ustav Melioraci Praha-Zbraslav, Czechoslovalcia

Effects of fertilization on productivity, botanical composition, and herbage quality of meadows of the Chrysopogonetum gryllii type

Totyu Totev, Opitna stancija po planinsko zivotnovadstvo i zemledelie
Kostadin Koev, Opitna stancija po planinsko zivotnovadstvo i zemledelie
Kiro Kostov, Viss institut po zootechnika i veterinarna medicina, Stara Zagora

Variations in the dry matter production and N uptake of a meadow subjected to many years of intensive fertilization

I Folkman, Vysoka Skola Pol'nohospodarska, Nitra, Czechoslovakia
R Holubek, Vysoka Skola Pol'nohospodarska, Nitra, Czechoslovakia

Possibilities of increasing the crude protein content 1n various types of grass stands in different ecological conditions of Slovakia

Stanislav Lichner, Vysoka Skola Pol'nohospodarska, Nitra, Czechoslovakia

Experiments about the nutrition of grassland ecosystems with respect to different times of NPK application

Eduard Halva, Vysoka Skola Zemedelska, Brno, Czechoslovakia
Josef Lesak, Vysoka Skola Zemedelska, Brno, Czechoslovakia

The effect of different fertilization intensities (NPK) on grass/legume mixtures on eroded soil in the mountains

Milan Muatovic, Poljoprivredni Fakultet Zemun, Zemun Polje, Yugoslavia
Jasna Pavesic-Popovic, Poljoprivredni Fakultet Zemun, Zemun Polje, Yugoslavia

Influence of mineral fertilization on the quality of meadow grasses

A Klesnil, Vysoka Skola Zemedelska, Praha, Czechoslovakia
F Turek, Vysoka Skola Zemedelska, Praha, Czechoslovakia

Changes in the content of some mineral elements in the pasture forage under the fertilization effect

Zbigniew Wasilewski, instytut Melioracji i U:i:ytk6w Zielonych, Raszyn, Falenty, Poland

Effect of nitrogen-potassium levels on the yield of Guinea grass (Panicum maximum Jacq.)

G Crespo, Instituto de Ciencia Animal, San Jose de las Lajas
J Perez, Instituto de Ciencia Animal, San Jose de las Lajas

Qualitative and quantitative changes in yield from sown grassland at varying rates and proportions of N, P and K fertilization

L Yu Kadzhyulis, Lithuanian Research Institute of Agriculture, Dotnuva, Soviet Union
V A. Vasilyauskene, Lithuanian Research Institute of Agriculture, Dotnuva, Soviet Union
Ya Yu Banikonene, Lithuanian Research Institute of Agriculture, Dotnuva, Soviet Union
L I. Brunene, Lithuanian Research Institute of Agriculture, Dotnuva, Soviet Union
N F. Daugelene, Lithuanian Research Institute of Agriculture, Dotnuva, Soviet Union
T P. Tamulis, Lithuanian Research Institute of Agriculture, Dotnuva, Soviet Union

The intensive utilization of flooded grassland northern forest steppe of the Ukraine

A Bogovin, krainian Research Institute of Agriculture, Kiev Region, Soviet Union
I Kopysterinski, krainian Research Institute of Agriculture, Kiev Region, Soviet Union
N Kuksin, krainian Research Institute of Agriculture, Kiev Region, Soviet Union
I Palamarchuk, krainian Research Institute of Agriculture, Kiev Region, Soviet Union

Productive and economic effects of NPK fertilizer utiliza­tion on the natural grassland in eastern and south-eastern Serbia

N Miladinovic, RTB-BOR
J Rajkovic, RTB-BOR
M Rukavina, RTB-BOR

Determination of the potassium fertilizer requirements of meadow soils in the GD R

Manfred Kerschberger, Akademie der Landwirtschaftswissenschaften
Dietmar Richter, Akademie der Landwirtschaftswissenschaften

Effect of phosphorus and potassium topdressing on dry matter yield and N, P, K, Ca and Mg contents of alfalfa­ orchardgrass and Ladino clover-orchardgrass mixtures (1970-1974, or the 11th-15th years of stand)

Mack Drake
W G. Colby
Hisatomo Oohara
Norihito Yoshida
Yoichi Oohara
Kazuo Fukunaga

Effect of increasing levels of phosphorus and three types of soil on Glycine wightii in Cuba

T Ruiz, Instituto de Ciencia Animal, San Jose de las Lajas
J R. Ayala, Instituto de Ciencia Animal, San Jose de las Lajas

The effect of splitting phosphorus and potassium applica­tion with regard to mineral contents and grass yield of Digitaria decumbens Stent. (pangola) with irrigation

Abel Avila Lopez, Estacion Experimental de Fertilizantes en Pastos, Escambray, Cuba
Gonzalo Ocampo, Estacion Experimental de Fertilizantes en Pastos, Escambray, Cuba

The determination of the optimal content of mobile phosphorus and potassium in soils for grassland swards

Vadim Melnichuk, All-Union Williams Forage Research Institute, Moscow Region, Soviet Union
Lyudmila Fedorova, All-Union Williams Forage Research Institute, Moscow Region, Soviet Union
Nikolai Panferov, All-Union Williams Forage Research Institute, Moscow Region, Soviet Union
Valentina Pachkovskaya, All-Union Williams Forage Research Institute, Moscow Region, Soviet Union

Effect of microelements application on the production of sown grasslands on eroded soil in the mountains

Milan Mijatovic, Poljoprivredni fakultet, Zemun Polje, Yugoslavia
Milutin Pantovic, Poljoprivredni fakultet, Zemun Polje, Yugoslavia
Milenko Glintic, Chemical Industry "Zorka", Sabac, Yugoslavia
Jasna Pavesic-Popovic, Chemical Industry "Zorka", Sabac, Yugoslavia
Miodrag Jakovjevic, Chemical Industry "Zorka", Sabac, Yugoslavia

Effect of nitrogen fertilization of pastures on the Cu, Fe and Zn content in fodder and blood of dairy cows

Kazimerz Rybak, Instytut Melioracji i Uzytk6w Zielonych, Raszyn, Falenty, Poland

Effect of zinc, copper, molybdenum and cobalt on develop­ ment, yield and hay quality of lucerne

B Miskovic, Poljoprivredni fakultet, Novi Sad, Yugoslavia
P Eric, Poljoprivredni fakultet, Novi Sad, Yugoslavia
M Pantovic, Becej poljoprivredni industrijskij kombinat, Becej, Yugoslavia

Boron fertilization in different types of mountain meadows

E S. Kazaryan, Armenian Zooveterinary Institute, Erevan, Soviet Union
M M. Melikyan, Armenian Zooveterinary Institute, Erevan, Soviet Union
R G. Della-Rossa, Armenian Zooveterinary Institute, Erevan, Soviet Union

Effects of slurry on field grass

Hans Gorlitz, Institut fiir Diingungsforschung Leipzig/Potsdam, Bereich Potsdam
Heinrich Koriath, Institut fiir Diingungsforschung Leipzig/Potsdam, Bereich Potsdam,
Heinz Lange, Akademie der Landwirtschaftswissenschaften der Deutschen Demokratischen Republik, GDR
Fritz Asmus, Akademie der Landwirtschaftswissenschaften der Deutschen Demokratischen Republik, GDR

Use of organic fertilizers and a comparison of their effect in meadow grass stands

A Klesnil, Vysoka Skola Zemedelska, Praha, Czechoslovakia
F Turek, Vysoka Skola Zemedelska, Praha, Czechoslovakia

Combining effect of ground-water level and nitrogen fertilization on grass yields on low-bog sites

Walter V.D Waydbrink, Institut fiir Futterproduktion Pau°linenaue der Akademie der Landwirtschaftswissenschaften der Deutschen Demokratischen Republik, GDR

Floristic changes in the meadow sward as a result of different moisture content and fertilization

Jozef Pronczuk, Akademia Rolnicza
Henryk Pawlat, Akademia Rolnicza

The productivity of a sown grassland on drained low-bog soil as influenced by soil moisture regime and fertilization

J Lukoshyavichyus, Lithuanian Research Institute of Agriculture
R Vaichyulite, Lithuanian Reserch Institute of Agriculture,
A Vlasov, Lithuanian Research Institute of Agriculture,
A Panamarevene, thuanian Research Institute of Agriculture

The yielding capacity of meadows on waterlogged soils after reclamation

S Grzyb, Instytut Melioracji i U:i:ytk6w Zielonych, Raszyn, Falenty, Poland

Meadow crop yields as influenced by distance from sewage feeder

MIECZYSLAW NOWAK, Akademia Rolnicza, Warszawa, Poland
Maria Kukula, Akademia Rolnicza, Warszawa, Poland

Recommended values for dimensioning and designing sprinkler irrigation in industrialized forage plant produc­tion in the GDR

Klaus Schwarz, Forschungszentrurn fiir Bodenfruchtbarkeit Miincheberg, Bereich Jena,
Dieter Roth, Akademie der Landwirtschaftswissenschaften der Deutschen Demokratischen Republik

Yield and forage quality of different sown swards on ameliorated sandy peat soil under the influence of subsoil irrigation with saline water

Renate Bockholt, Sektion Meliorationswesen und Pflanzenproduktion der Wilhelm-Pieck-Universitat Rostoc

Irrigated sown grassland stands

S Culica, Research Institute for Cereals and Industrial Crops, Fundulea, Romania

Possibilities of increasing the productivity of grasses by way of irrigation

Michal Santa, Vyskumny Ostav Zavlahoveho Hospodarstva

Effect of fertilization and irrigation at different frequen­cies on the growth, yield, and quality of the natural flood­plain sward of the Zambezi area, Zambia

Jaroslav Kulich, Mongu Regional Research Station

Application of sewage waters from coal-refining industry to grassland and forage areas on reclaimed brown-coal dump sites

W Hubner, Akademie der Landwirtschaftswissenschaften
P Muller, Akademie der Landwirtschaftswissenschaften

Modelling the irrigation regimes of lucern

Jiri Ulehla, Vyzkumny Ustav Zakladini

Pasture irrigation with industrial and communal sewage from the town of Kiev

I Palamarchuk, Ukrainian Research Institute of Agriculture
A Bogovin, Ukrainian Research Institute of Agriculture
V Maksimenko, Ukrainian Research Institute of Agriculture
Yu Beskrovny, Ukrainian Research Station of Agricultural Use of Sewage Water
N Zgurskaya, Ukrainian Research Station of Agricultural Use of Sewage Water

Sprinkling of pastures on light soils -effectiveness under conditions of Central Poland

Mikolai Nazaruk, Akademia Rolnicza

The influence of different irrigation methods on evapotranspiration, pasture yield, and forage quality

B I. Korotkov, All-Union Williams Forage Research Institute

Irrigation with sewage -an effective procedure for in­creasing the yield performance of grassland as well as for protecting inland waters against pollution

V M. Novikov, All-Union Research Institute for Agricultural Use of Sewage Water
N A. Kovaleva, All-Union Research Institute for Agricultural Use of Sewage Water
V P. Sayapin, All-Union Research Institute for Agricultural Use of Sewage Water
L F. Mikheeva, All-Union Research Institute for Agricultural Use of Sewage Water
M I. Demina, All-Union Research Institute for Agricultural Use of Sewage Water