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A 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 moreThis paper summarizes the results of a study conducted in Argentina, which introduced honeybee (Apis mellifera) hives and colonies of the native black...
Read moreLinyphiid spiders are important predators of pests in agricultural ecosystems. Their ability to disperse aeronautically is a pre-adaptation to ephemer...
Read moreDensity of jojoba (Simmondsia chinensis) was similar but plant size and cover were greater inside than outside a 48-yr-old livestock (cattle) exclosur...
Read moreAgricultural expansion and intensification are key drivers of biodiversity loss. In search of more sustainable ways to produce food and conserve biodi...
Read moreEnergy production from wind power is increasing rapidly in Europe to help combat the threats from global warming. For example, the European Commission...
Read moreIn order to investigate the factors influencing the establishment of seedlings in permanent grassland, the influence of soil moisture and nitrogen fer...
Read moreLife tables for populations of Hylemya (Erioischia) brassicae (Bch.) on cabbage crops in Canada [cf. RAE/A 60, 538] and England [50, p. 286] are analy...
Read moreResults are reported from a study of leaf area dynamics in 100 plots in stands of lodgepole pine (Pinus contorta var. latifolia, age range 67-134 yr) ...
Read moreThe functional characteristics of forests are related to the organization of their canopies. However, understanding the relationship between canopy st...
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