Search
All content is free for everyone to browse, read and share. You’ll find journal articles and non-peer reviewed grey literature. Type keywords into the search box or Use the filtering options below to browse the content.
Showing 192 results
enThis link goes to a English sectionesThis link goes to a Spanish section The honeybee, Apis mellifera, stands out for its positive image due to its ...
Read moreBats pollinate many plants of high socio-economic value, including the majority of columnar cacti (Cactaceae) in Mexico, which have been used by human...
Read moreThe numbers of viable weed seeds in the top 15 cm of the soil were determined over a 16-year period in 4 crops grown with or without herbicides and ho...
Read moreLight limitation (induced by the canopy of Zea mays [maize] cv. Pioneer 3902) of reproduction in Amaranthus retroflexus and the allometric relationshi...
Read moreHeavy livestock grazing in Namaqualand, South Africa, is threatening the region's unique diversity of succulent shrubs. This is especially true in the...
Read moreConventionally, agent host specificity has been the major concern in the selection of prospective agents for biological control of weeds. However, sub...
Read moreInvasive alien plants have serious economic and ecological impacts, for example, by displacing native plants and invertebrates, and their management i...
Read more1. Contamination of soils with oilfield brines is a significant environmental problem in many oil-production areas. This study tested the feasibility ...
Read moreThis paper describes the importance of indigenous vegetables in traditional food systems with a particular focus on Southeast Asia. Many indigenous ve...
Read moreAfter 2 trials in late winter 1973-4, 6 main experiments were conducted over the winter periods of 1974-5 and 1975-6 to determine the loss of herbage ...
Read more