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Field feeding by mallard ducks was not random; fodder barley and stubble fields were preferred and standing oat crops were avoided. Ducks were attract...
Read moreBarley cv. Proctor grown over a wide range of conditions had a relatively stable mean weight/grain of 34.9 ( plus or minus 2.84) mg (range 29.3-41 mg)...
Read moreDetailed measurements of the growth and development of a crop of barley cv. Proctor were used to study the processes determining ear number/unit field...
Read moreEcological theories suggest that higher plant genetic diversity can increase productivity in natural ecosystems. So far, varietal mixtures, that is, t...
Read moreMixtures of equal numbers of plants of different barley varieties or of a barley variety and an oat variety were grown in 5 field trials and 1 glassho...
Read moreDuring 1986 and 1987, 15 wheat and 15 barley fields were surveyed for damage caused by badgers, in an area in the south of England where badger densit...
Read moreA study was made to measure compensatory growth responses and to estimate losses associated with bird damage to maturing maize. Maize grains contained...
Read moreA seed drill with 2 adjacent spouts blocked was used to sow winter wheat so that there were rows (a) 18 cm apart, (b) 18 cm from the next row on one s...
Read moreThe effects of wheat residue placement and chemical fertilizer on microbial biomass, N-mineralization and crop yield were examined in a fallow-rice cv...
Read moreIn a field study in La Plata, Argentina, mixtures of wheat cultivars were tested as an ecological alternative to pure culture, for producing either a ...
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