Effect of sowing density on canopy architecture and output of three winter barley cultivars
1995
Kozlowska-Ptaszynska, Z. (Institute of Soil Science and Plant Cultivation, Pulawy (Poland). Dept. of Cereal Crops)
In the years 1991-92 the effect of sowing rate on the canopy architecture and output of the two-rowed cv. Marinka and two six-rowed cvs. Sigra and BKH 1290 was compared in a microplot experiment. Under favourable weather conditions increasing sowing rate from 250 to 350 and 450 seeds per 1 square m had significantly raised the yields of the two-rowed cv. Marinka through a substantial increase in the number of ears per unit area. Yields of the six-rowed cvs. Sigra and BKH 1290 were unaffected by sowing rate due to a large percentage (80%) of tall tillers that bore ears with a high number of heavy seeds
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