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In an investigation of the relation between weather and the growth of barley, the approach used depended on calculation of the exchange of CO2 and wat...
Read moreThe problems of computer analysis of data collected in a long-term field study [see preceding abs.] are outlined. Methods of capture are discussed and...
Read moreBarley cv. Proctor grown over a wide range of conditions had a relatively stable mean weight/grain of 34.9 ( plus or minus 2.84) mg (range 29.3-41 mg)...
Read moreEcologists have long studied the effects of disturbance on species diversity. More recently, researchers have become interested in understanding how t...
Read moreBiological control (biocontrol) can provide permanent cost-effective control of plant pests, but has variable success. The ability to predict the succ...
Read moreIn this paper, we discuss the impacts in the UK and give examples of the steps that are being taken by the Department for Environment, Food and Rural ...
Read moreIn a field study at a hill sheep farm in the Tweedsmuir hills of SE Scotland the precision of 4 methods for measuring utilization rate of C. vulgaris ...
Read moreIn a greenhouse experiment L. bainesii seeds were sown at 0, 10, 20 or 30 mm depth, covered with Digitaria decumbens straw (20 mm length) at 0, 70, 14...
Read moreBreckland grass heaths surveyed in 1981 were resurveyed (9 only) in 1989. Rabbit-grazed sites supported lichens, cushion-forming mosses, winter annual...
Read moreA bite-oriented model is developed for the study of sward utilization by domesticated grazing animals, the description of grazing style and its implic...
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