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Because cyst-nematode populations are relatively static, immigration and emigration are negligible and population fluctuations under different crops c...

The 'Quantimet' Image Analysing Computer was used to measure the length of roots washed out from soil, and a new autoradiographic (32P) method for mea...

A computer model was developed simulating the mating behaviour and population increase of adults of Spodoptera littoralis (Boisd.) in an isolated grou...

Agricultural developments over recent decades have had significant negative effects on wildlife. Modern European agriculture faces many further develo...

A logistic model is presented which simulates population growth and concomitant environmental changes when Sitophilus oryzae (L.) is reared on wheat. ...

Presents a quantitative study of canopy morphology based on data collected during and after the 1971 growing season, in a 14-year-old stand of Pinus t...

Plant cover data collected at Varanasi, India, for 2 successive years in pastures at different grazing intensities were used to formulate a simulated ...

The authors had earlier [see HbA 44, 3551] described a computer program in which plant growth-analysis quantities of the general form (1/Y)(dY/dX), Z/...

Light interception by model hedgerow orchards and light distribution over their surfaces were investigated using a computer for the direct light calcu...

Quantitative estimates of the effects of different methods of S application on the entry of 35S into the grazed pasture system were made on an analogu...