AGRICULTURAL PHOSPHORUS IN RELATION TO ITS EFFECT ON WATER QUALITY (PB)

ASSESSMENT OF SOME SPATIALLY VARIABLE SOIL FACTORS LIMITING CROP YIELDS (PB)

CADMIUM IN SOIL (PB)

CHANGES IN UNDERSTANDING THE BEHAVIOUR OF SOIL AND FERTILISER PHOSPHORUS (PB)

CHANGING CONCEPTS FOR THE EFFICIENT USE OF PHOSPHORUS IN AGRICULTURE (PB)

EFFICIENCY OF SOIL AND FERTILIZER PHOSPHORUS USE (HB)

INPUTS OF NUTRIENTS AND LIME FOR THE MAINTENANCE OF FERTILITY OF GRASSLAND SOILS (PB)

LONG-TERM EXPERIMENTS IN AGRICULTURAL AND ECOLOGICAL SCIENC (HB)

MICRONUTRIENTS IN SOIL AND AGROSYSTEMS (PB)

NITROGEN CYCLE IN UK ARABLE AGRICULTURE (PB)

NITROGEN IN AGRICULTURE: AN OVERVIEW AND DEFINITIONS OF NITROGEN USE EFFICIENCY (PB)

PHOSPHORUS IN AGRICULTURE AND IN RELATION TO WATER QUALITY

PHOSPHORUS, POTASSIUM AND SULPHUR CYCLES IN AGRICULTURAL SOILS (PB)

PHYSICAL, CHEMICAL AND BIOLOGICAL ATTRIBUTES OF AGRICULTURAL SOILS (PB)

POTASSIUM AND SOIL FERTILITY (PB)

POTASSIUM INFLUENCE ON CROP YIELD AND QUALITY (PB)

POTENTIAL CHANGES IN SOIL FERTILITY FROM ARABLE FARMING, INCLUDING ORGANIC SYSTEMS (PB)

PRINCIPLES OF CROP NUTRITION FOR SUSTAINABLE FOOD PRODUCTION (PB)

REDUCING FERTILISER INPUTS (PB)

RESOURCE OR WASTE: THE REALITY OF NUTRIENT RECYCLING TO LAND (PB)

SOIL DEGRADATION (HB)

SOIL ORGANIC MATTER (PB)

SOIL POTASSIUM IN LONG TERM EXPERIMENTS. POTASSIUM STATUS OF SOME ENGLISH SOILS (PB)