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When mammalian herbivores are present at high densities their browsing activity can have a negative effect on establishment or regeneration of native ...
Read moreThe following is based largely on the author's summary. Observations were made in 1964-68 on the biology and ecology of rice stem borers in Sarawak (E...
Read moreLight interception by model hedgerow orchards and light distribution over their surfaces were investigated using a computer for the direct light calcu...
Read moreSeed collected from natural stands of P. menziesii growing at (a) 250, (b) 520 and (c) 880 m alt. in Oregon, and from a cross between trees in (a) and...
Read moreThe growth, reproduction, and survival of cucumbers were studied in experimental plots with two spacings (56 and 77 cm between plants) and two diversi...
Read moreThe distribution and abundance of adults, larvae and pupae of ceratopogonid midges in shaded and sunny habitats was investigated in relation to phenol...
Read moreIn a field trial near Forbes, central-west New South Wales, Trifolium balansae cv. Paradana and T. resupinatum lines SA 12240 and SA 14433 were sown a...
Read moreThe demography of the annual grass weed A. sterilis subsp. ludoviciana was studied during 3 consecutive years on populations growing in winter wheat c...
Read moreStudy was in north-eastern Colorado with blue grama grass (Bouteloua gracilis) as the dominant species. Bison, cattle and sheep with an oesophageal fi...
Read moreIn the above area it is common practice to grow sorghum and other crops under trees of A. albida, which is leafless during the rainy season. Crop yiel...
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