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Seeds of calabrese, carrot, onion and sugar beet were sown in the field on successive occasions. Soil integral impedance (work done in penetrating the...Read more
An approximate solution is presented of the differential equation describing soil-moisture flow towards a root absorbing water at a periodically varyi...Read more
Longleaf pine is a long-rotation tree, with potential intermediate products from pine straw, frequent thinnings, hunting leases, and wildlife habitat....Read more
The pink bollworm moth Pectinophora gossypiella (Saunders) (Lepidoptera: Gelechiidae) is one of the most destructive pests in agriculture. An ongoing ...Read more
Leaf development and stem growth of ash were studied during 1993, in an experimental area installed in a mixed natural broadleaved stand in the state ...Read more
We used an annual water-balance approach to assess the relative risk of current and future drought-induced stress and mortality at the stand level for...Read more
Efforts to monitor and conserve populations and ecosystems in human-dominated landscapes can benefit from an empirical social-ecological systems appro...Read more
Grazing by domestic livestock is sometimes promoted as a management tool to benefit biodiversity. In many situations, however, it can produce negative...Read more
Decomposition of 14C-labelled and unlabelled fescue, and of pure cellulose litter in non-vegetated and vegetated coal surface mine spoils and on a tal...Read more
Recent controversies associated with ditched forest roads and stream crossings in the Pacific Northwest have focused national attention on sediment pr...Read more