Reduce nutrient inputs to arable land		Place limits the amount of nitrogen applied to arable crops
		Convert arable land to extensive grassland
		Accurate application of nutrients to arable crops		Calibrate fertiliser spreader used on arable land
				Accurate calculation of nutrients available in livestock manure used on arable crops
				Accurate spreading of fertiliser on arable land
				Regular soil nutrient testing on arable land
				Predict crop nutrient requirements using canopy management or chlorophyll testing
				Accurate calculation of nutrient requirements of arable crops
		Do not use manufactured nitrogen fertiliser