Search

Fields in southern England were sampled over seven years to assess populations of eggs and larvae of Hylemya (Leptohylemyia) coarctata (Fall.) and of ...

For a continuous flow porometer, stomatal resistance can be calculated from a measurement of the relative humidity of the chamber air if the leaf and ...

Overnight respiration losses of whole plants were measured in a young maize crop grown in the humid tropic zone of Western Nigeria. In an older crop, ...

A metapopulation neighbourhood model of the seed bank of an annual plant, that included the effects of heterogeneity in space and time, of stochastic ...

An automatic multichannel selector system and a simple, inexpensive amplifier are described for recording the output from Richards and Ogata droplet t...

Ammonium-oxidizing bacteria (Nitrosolobus sp.) were counted every 2 days for 28 days in the top 5 cm of a soil at Rothamsted. The population density f...

A seed drill with 2 adjacent spouts blocked was used to sow winter wheat so that there were rows (a) 18 cm apart, (b) 18 cm from the next row on one s...

Population densities of Heterodera avenae in a sandy soil in Nottinghamshire, UK, decreased to very low levels between 1957 and 1968, despite intensiv...

Observations were made in southern England in 1970-71 on aphid populations infesting the aerial shoots of spring cereals. Aphids mainly Acyrthosiphon ...

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