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A dynamic model of a water-containing and water-conducting system is described, representing a non-growing, transpiring leaf with an attached root in ...
Read moreA computer model was developed simulating the mating behaviour and population increase of adults of Spodoptera littoralis (Boisd.) in an isolated grou...
Read more[See FA 38, 1151] Needles of Sitka spruce were illuminated on either the top or bottom surfaces or on both simultaneously, using parallel beam light. ...
Read moreA series of root-pruning experiments was performed to simulate the effects of grazing by root-feeding herbivores on B. gracilis. Approx. 37% (c. 22 mg...
Read moreA dynamic model of a water-containing and water-conducting system is described, representing a non-growing, transpiring leaf with an attached root in ...
Read moreIntensification of agriculture has resulted in a simplification and fragmentation of agroecosystems. Yet, its impact on the reproductive success and p...
Read morePhosphorus inputs and losses are calculated for contrasting farming systems: cereals were a major product in all systems. In typical modern British wh...
Read moreA simple mathematical model is presented describing the effects of N and light on the vegetative growth of grass/legume swards, consisting of a set of...
Read moreFarmers' perceptions of the extent of bracken (Pteridium aquilinum) encroachment on upland farms was summarized from a postal questionnaire done in 19...
Read moreThe growth of Festuca arundinacea and Lolium perenne at a moderately exposed site in SE Scotland was compared with that in a sheltered enclosure in 19...
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