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Combining several crop species and associated agricultural practices in a crop sequence has the potential to control weed abundance while promoting we...
Read moreThe seasonal pattern of soil heat-flux was dominated by the increase in crop cover. The average minimum daytime downward flux into the ridge was 40 ca...
Read moreThe following is virtually the author's summary of this first part of a series on the effects of populations of Eucallipterus tiliae (L.) on two matur...
Read moreIn an NPKCa factorial experiment with L. perenne cv. S23 and A. tenuis cv. American Highland Bent on 5 colliery shales, P was deficient on all 5 subst...
Read morePerennial ryegrass cv. S23 was grown on 13 shales in a glasshouse and at 3 field sites with 0, 125 or 625 kg 17-17-17 (NPK) fertilizer/ha (field) or 6...
Read moreAnalysis of theoretical calculations and experimental measurements showed that the photosynthetically useful fraction of the solar spectrum for total ...
Read moreRice cv. Calrose was germinated under water with or without an oil overlay to impede gas exchange. The shoot was the first and most prominent structur...
Read moreExpressions are presented for the penetration of direct and diffuse radiation into stands having (a) horizontal leaves, (b) randomly oriented leaves, ...
Read moreIn 1911 and 1925, reindeer (Rangifer tarandus) were introduced to the subantarctic island of South Georgia where there is a sp.-poor vascular flora an...
Read moreAfter 2 trials in late winter 1973-4, 6 main experiments were conducted over the winter periods of 1974-5 and 1975-6 to determine the loss of herbage ...
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