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A simple mathematical model is presented describing the effects of N and light on the vegetative growth of grass/legume swards, consisting of a set of...

Growth of 9 commercially available grass cv. was studied with 0.003, 0.06, 1.25, or 25 mu g P/ml in flowing sol. culture. At the lowest P level which ...

In laboratory experiments mineral nutrients, particularly K, were readily dissolved from the ash left when heather was burnt but the rate of solution ...

Nutrient balance was studied in two small Taxodium distichum swamps in Florida, one of which had been treated with secondary sewage effluent from 1975...

T. repens plants from 5 populations from calcareous soils and 5 populations from acid soils were grown in sand cultures with varying levels of Ca, Mg ...

In experiments at Kabanyolo, Uganda, in which radiation incomes were measured and growth analysis was employed, seedlings of both robusta and arabica ...

Roadsides are targeted for restoration of pollinator-friendly plants. Yet, roads are sources of macronutrient, micronutrient and heavy metal pollution...

Ratios of nitrogen to phosphorus (N:P) in plant foliage have been used to assess nutrient limitation in wetland ecosystems and to indicate nitrogen sa...

A heather-dominated blanket bog was burned in small patches annually for 5 yr. Sheep were stocked at 1 ewe/ha from the 2nd yr onward and their perform...

The summer growth, winter dieback and grazing of shoots and flowers of heather was measured at 2 moors in N.E. Scotland. The main factor determining a...