Local variety trials. III. A. Results of variety trials with spring-sown grain on organogenic soils in the years 1929-1940. B. Comparisons between different varieties of spring wheat, barley, and oats grown under various conditions of soil composition and reaction in the years 1929-1939. C. Results of comparative trials with various types of grains in the years 1929-1940

Eliasson, S.

Lantbrukshogskolan Jordbruksforsoksanstalten Meddel 7(57)


Accession: 024959808

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A. Results from trials with barley on organogenic soils (moors and other soils rich in organic matter) indicate that the strains tested (Maja, Opal B, and Kenia) which were the best vars. on mineral soils, also are the most suitable ones for organogenic soils. Among oat strains, Guldregn II (white) and Engelbrekt II (black) produced the largest grain yields. The volume wt. of oat grain was considerably lower on the organic soils than on the mineral ones. B. In general, the high-yielding capacity of the newer grain vars. asserts itself best under favorable growing conditions. Differences between vars. were somewhat greater, due to the fact that the better soils were too prominently represented in the local trials. Engelbrekt II oat is well suited for acid soils. Winter rye does better on sandy soils than winter wheat, except on calcareous soils. C. In the southern provinces and on the islands, Oland and Gotland, barley gave a grain yield about 1000 kg. per ha. higher than spring wheat, and consequently a much greater economic profit. Rootcrops and legumes proved to be the best preceding crops for spring grains. Comparison of feed values indicated that barley was superior to all other grains.