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The effects of shoot and root competition in 23 studies including additive and replacement techniques, radial and linear layouts, several of methods o...
Read moreEquations for the estimation of net radiation flux, some involving only a single climatic element, were compared with Penman's (4-element) formula and...
Read moreData are presented for a range of species including perennial grasses, white clover, lucerne, cereals and soyabeans on the length of roots per unit ar...
Read moreGrowth rates of grasses in midsummer at complete light interception were 21.9 g/m2 day (3.9% light energy conversion) for timothy cv. S352, 25 g (4.3%...
Read moreThe vegetation landscape on Ascension is almost entirely man-made, resulting from massive introductions over a period of more than 100 years. The list...
Read moreBroods of grey and red-legged partridges were radio-tracked for 20 days after hatching and their diet estimated from faeces collected at nocturnal roo...
Read moreThe scientific papers presented at this conference on integrated control of crop pests in Britain comprised: Integrated control and the Advisory Servi...
Read moreThese areas have a long history of grazing by sheep and are stocked at up to 6.45 sheep/ha, average 4.75/ha (counting 1 lamb as 0.5 ewe). Lambs, 1.25/...
Read moreThe effects of the provision of within-field grass habitats for the overwintering of natural enemies of Aphididae were studied in 1987-90 in the UK. D...
Read moreS23 perennial ryegrass was grown for 4 years in boxes on levelled sites at 250-ft altitudinal intervals from 500 to 2250 ft alt. Floral development wa...
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