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Organic Participatory Guarantee Systems (PGS) may be on important contribution to Organic 3.0. The way that PGS systems are managed can be a major det...
Read moreThe effects of hedges and a lath barrier on the distribution of adults of Hylemya (Erioischia) brassicae (Bch.) in the field [cf. RAE/A60, 3692] was o...
Read moreSamples of Heteroptera and Auchenorrhyncha were taken from replicated plots grazed by sheep in spring, summer, autumn and winter and from ungrazed are...
Read moreThe survival of four populations of eggs of Hylemya (Leptohylemyia) coarctata (Fall.) at Rothamsted in southern England was studied. Few eggs disappea...
Read moreIn further investigations at Rothamsted [cf. preceding abstract], parasitism, overcrowding (two or more larvae in the same shoot), disease and predati...
Read moreThe effects of cutting calcareous grassland on its invertebrate fauna were examined in an Arrhenatherum-dominated grass plot in eastern England. Four ...
Read moreThe populations of many UK farmland birds declined between 1970 and 1990, frequently accompanied by contractions in breeding ranges. Ornithological at...
Read moreCensuses of singing male corncrakes (C. crex) on agricultural land in 7 sample areas of Britain and Ireland indicated a decline in numbers between 198...
Read moreWhile current weather patterns and rapidly accelerated changes in technology often focus attention on short-term trends in agriculture, the fundamenta...
Read moreThe abundance of several species of Forcipomyia, known to be pollinators of cacao, increased markedly in 1 cacao farm in Costa Rica when discs of rott...
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