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The integrator consisted of a table-tennis ball containing a solution of photolysable uranyl oxalate. Provided exposure ceased before 70% of the oxala...

The apple orchards studied had discontinuous bush-and hedge-type canopies of mean leaf-area indexes of 1-1-4. These values were low, owing to the exis...

Discriminant functions for discriminating between standard and compact mutants of young Delicious apple trees were computed on the basis of 5 simple m...

See also Abs. 804. A series of glasshouse, growth room and field experiments were designed to study interference between perennial ryegrass [Lolium pe...

The life history of Leontice leontopetalum was studied under field and controlled conditions in connection with its survival in ploughed fields. At ge...

The following is substantially the author's summary of this account of further studies in Kenya [cf. RAE A 57 1599]. The distribution of eggs laid by ...

In a randomized plot experiment on Festuca arundinacea grassland on alluvial loam soil during 1968, plots were mowed and raked bi-weekly, mowed and sp...

In Mora excelsa rain forests of Trinidad, leaf fall was heavy, from August to October and from February to April. For a single year the leaf fall was ...

After burning tropical evergreen seasonal forests and tropical marsh forests, and replanting with Pinus caribbea, soil N decreased for a period of 4 y...

The observation that essential trace elements gave hyperbolic effects when relative accumulations (amount in plant/amount in soil) were plotted as a f...