Bees (family: Apidae) are important ecologically and economically as primary pollinators of many natural and agricultural systems. Given current concerns about declining numbers of bees, many ...

Agricultural soil testing is critical to determining soil’s nutrient concentration and variability across your fields. It is ideal to test your fields’ soil at least every two to three years to inform ...

This is a preview. Log in through your library . Abstract A mobile phytoplankton sampling method, in which surface samples were dipped from the lake at 1/2-hr. intervals over circuits which could be ...