TY  - JA
AU  - Derieux,M.
AU  - Bonhomme,R.
TI  - Heat unit requirements for maize hybrids in Europe. Results of the European FAO sub-network. 1:  sowing-silking period
SN  - 0025-6153
U1  - 83-871540 
PY  - 1982///
KW  - Europe
KW  - FAO
KW  - Maize
KW  - AGROVOC
KW  - Zea mays
N1  - 13 tables; 19 ref. Summaries (En, It); Peer-review: Yes - Open Access: Yes|http://science.thomsonreuters.com/cgi-bin/jrnlst/jlresults.cgi?PC=MASTER&ISSN=0025-6153
N2  - Results are given of a trial carried out during 1977, 1978, 1979 in eleven countries, by participants in the FAO European cooperative network on Maize. Eleven hybrids wre used for the study of numerous methods for calculating heat units: linear estimation based on daily maximum temperature (S(, N)), and mean (S), with different threshold and ceiling temperatures, exponential estimations (Q(,10)), and using some methods cited in the literature (Tollenaar, 1979; Brown, 1969; Blacklow, 1972; Coelho, 1978; Arnold 1975). For the entire period from sowing to silking, temperature is very important and the coefficient of variation (C.V.) among trials is about 7-8%. The best
T2  - Maydica
ER  -