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7 cv. of perennial ryegrass, which originated from countries having contrasting winter climates and with a range of heading dates, were grown in simul...
Read moreDesigns are described for sensors, integrators and a readout device which together measure temp. (or day-degrees) and photosynthetically active radiat...
Read morePlants of Festuca arundinacea and Lolium perenne were exposed to constant wind speeds of 1.1, 4.0, 7.4, or 10.0 m/s in a controlled-environment wind t...
Read moreThe earthworm Lumbricus terrestris was the predominant food of the European badger; in the badger's habitat, L. terrestris was most abundant under pas...
Read moreSeed samples of wheat and barley were collected in Nepal and Pakistan, from c. 100 villages in each country. Nepal is said to be a Vavilovian 'centre ...
Read moreAnthoxanthum odoratum, Holcus lanatus, Hypochoeris radicata, Lolium perenne, Plantago lanceolata and Rumex acetosa ('treatment' spp.) were grown separ...
Read moreThe effects of temp. on seed dormancy and germination were studied in 11 populations of tetraploid F. pratensis var. apennina from the Italian Alps an...
Read moreA simple model was constructed which predicted the rates of leaf photosynthesis (Fc) of the temperate C4 species S. townsendii, in the field, from the...
Read moreWhen perennial ryegrass plants were subjected to 1 cycle of soil drying, to repeated cycles of drying, or when they were grown in dry soils, the RGR o...
Read moreExperiments were done in England in fields of winter wheat at North Farm, West Sussex, and at Rothamsted in 1978 to investigate the effect of predatio...
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