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Spaced plants of S170 and the 2 synthetic North African tall fescue varieties Syn I and Syn II were grown in the open during Apr-Dec. 1962. Tillers we...
Read moreDespite the crucial importance of biotic pollination for many crops, land managers rarely monitor the levels of crop pollination needed to guide farmi...
Read moreThree major determinants of bees' nectar foraging patterns are the maximum depth at which nectar is accessible (dependent on bee tongue length); the m...
Read moreBees foraging for nectar on flowers of cultivars with deep corolla tubes and large floral parts found it difficult to reach the inner nectaries. They ...
Read moreIndigenous sorghum varieties in N. Nigeria yielded best in their own localities. All local varieties of a locality tended to flower at the same time e...
Read moreThe following is virtually the author's summary of this account of investigations on the pollination of runner beans (Phaseolus multiflorus[Phaseolus ...
Read moreInsect visits and hand-tripping significantly increased the number of pods over that from unvisited flowers. The results indicated that if sufficient ...
Read moreMaize, beans (Phaseolus vulgaris) and squash (Cucurbita maxima) were grown in pure stands and mixtures for 3 seasons in Costa Rica. Vegetative biomass...
Read moreThe results of a survey carried out in Britain in 1987 and 1988 are recorded. Participants, mainly children, recorded the first visit for each bumble ...
Read moreThe abundance and species richness of butterflies [Rhopalocera] on expanded-width uncropped arable field edges, which were subject to 10 contrasting, ...
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