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In an investigation of the relation between weather and the growth of barley, the approach used depended on calculation of the exchange of CO2 and wat...
Read moreTensiometers and electrical-resistance blocks were used to measure water tensions and, indirectly, water contents of a sandy-clay soil under a 16-year...
Read moreOryzopsis holciformis (M.B.). Hack. (hairy ricegrass) was sown in loess soil in containers 60 cm deep at densities of between 160 and 3200 seedlings/m...
Read moreSoyabeans were grown in pots at 20, 40, 60, 80 or 100% of field capacity or were allowed to wilt 1-5 times during the growth cycle. Small decreases in...
Read moreHarvesting of large mammals is usually not random, and directional selection has been identified as the main cause of rapid evolution. However, select...
Read moreGermination and establishment in annual self-sown swards of (a) Stylosanthes humilis and (b) the associated grass weed Digitaria ciliaris were studied...
Read moreLight interception by model hedgerow orchards and light distribution over their surfaces were investigated using a computer for the direct light calcu...
Read moreSwards dominated by western wheatgrass (Agropyron smithii) at 2 sites in SE Montana were continuously fumigated with 2, 4 or 7 p.p.h.m. SO2 from mid-M...
Read moreThe varieties used were S170 and ecotype AH from 660 m alt. in Algeria. AH expanded more leaf area during winter than did S170, and had a higher leaf-...
Read moreEarthworms were sampled by hand-sorting at 14 localities in and near the Beheira Province. Soil was analysed for water content, texture, pH, total sol...
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