Electronic Journal of Polish Agricultural Universities (EJPAU) founded by all Polish Agriculture Universities presents original papers and review articles relevant to all aspects of agricultural sciences. It is target for persons working both in science and industry,regulatory agencies or teaching in agricultural sector. Covered by IFIS Publishing (Food Science and Technology Abstracts), ELSEVIER Science - Food Science and Technology Program, CAS USA (Chemical Abstracts), CABI Publishing UK and ALPSP (Association of Learned and Professional Society Publisher - full membership). Presented in the Master List of Thomson ISI.
2002
Volume 5
Issue 2
Topic:
Agronomy
ELECTRONIC
JOURNAL OF
POLISH
AGRICULTURAL
UNIVERSITIES
Michalska B. , Kalbarczyk E. 2002. REGIONALISATION OF SPRING TRITICALE IN POMERANIA IN TERMS OF THERMIC AND PRECIPITATION CONDITIONS, EJPAU 5(2), #04.
Available Online: http://www.ejpau.media.pl/volume5/issue2/agronomy/abs-04.html

REGIONALISATION OF SPRING TRITICALE IN POMERANIA IN TERMS OF THERMIC AND PRECIPITATION CONDITIONS

Bożena Michalska, Eliza Kalbarczyk

 

ABSTRACT



The paper discusses the relations between spring triticale grain yield and weather factors: mean air temperature, total precipitation and insolation in the north-west of Poland. Boundary values were determined for the weather factors such that caused the decrease in grain yield by at least 10% against the many-years yield average. On the basis of weather data from the years 1971-2000, climate indices of spring triticale crop yield were estimated, which in turn provided a basis for the valuation, in terms of scores, of thermic and precipitation conditions in the north-west Poland. Crop yield of spring triticale is markedly restrained by the mean temperature exceeding 16°C in the stalk-shooting – coming into ear period, as well as by precipitation below 20 mm over the same period, and by the mean air temperature above 18.5°C in the coming into ear – dough stage. The most beneficial climate conditions for growing spring triticale are found in the central part of Pobrzeże Słowińskie, an

Key words: spring triticale, weather factors, boundary values, regionalisation in Pomerania.