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As part of a research project on the population dynamics of a polyphagous noctuid pest, Helicoverpa armigera, on crops commonly grown in small-scale a...
Read moreenThis link goes to a English sectionnlThis link goes to a Dutch section Pest-regulating natural enemies often require crop and non-crop habitats to p...
Read moreThe decline of managed honeybees and the rapid expansion of mass-flowering crops increase the risk of pollination limitation in crops and raise questi...
Read moreAphid clones that feed on the same plant species for many generations often develop biotypes specifically adapted to the particular host-plant. Such b...
Read moreenThis link goes to a English sectionptThis link goes to a English section Agricultural expansion is one of the main drivers of global pollinator loss...
Read moreSoil erosion losses and erosion control techniques in agroecosystems on the Pacific coast of Jalisco, Mexico were studied for 2 years under 7 manageme...
Read moreA population dynamics model of the field biology of the curculionid Anthonomus grandis under Brazilian conditions was linked to a model for cotton gro...
Read moreA hay crop was cut at three different dates in 1990 from a mesotrophic (meadow) grassland in Upper Teesdale, under various fertilizer, grazing and cut...
Read moreThree successive generations of Spodoptera exempta (Wlk.) were observed on cereal crops and grasses at Salisbury Research Station, Rhodesia, during Ja...
Read moreInsect visits and hand-tripping significantly increased the number of pods over that from unvisited flowers. The results indicated that if sufficient ...
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