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Two savanna sites in Gazankulu, South Africa, were fenced in 1984 and subjected to heavy or light grazing for 4 growing seasons. Size-structured matri...

The following is virtually the author's summary of this second part of a series [cf. RAE A 59 2659]. Experiments on saplings of lime (Tilia) under con...

Eighteen biotypes collected from different sites were grown in a common environment and seeds from these biotypes were grown in four experiments in co...

Both species responded to increasing density by extreme plasticity and there was no density-induced mortality even at 3200 plants/m². In wheat the pla...

In two series of experiments, the relative leaf growth rates (RA) and relative growth rates (RW) of seedlings of 8 onion cvs of diverse geographic ori...

Increasing heat and aridity in coming decades is expected to negatively impact tree growth and threaten forest sustainability in dry areas. Maintainin...

Young plants of maize and cotton grown in sand culture were kept at 1 site either during the day or night, and placed during the remainder of each day...

Although crop rotation has been used for centuries to enhance agricultural production, there are surprisingly little data justifying the use of one ro...

A recent reappraisal of the evidence of the effects of cyclodiene insecticides on sparrowhawks Accipiter nisus and kestrels Falco tinnunculus in Brita...

The varieties used were S170 and ecotype AH from 660 m alt. in Algeria. AH expanded more leaf area during winter than did S170, and had a higher leaf-...