9 Apparatus, instruments and electric sensors for measuring the chlorophyll content in plants; Apparatus, instruments and electric sensors for measuring the fertilizer content of soil; Apparatus, instruments and electric sensors for measuring of crop nitrogen requirements; Apparatus and instruments for measuring, varying and distributing of fertilizers; Apparatus, instruments and electric sensors for measuring precipitation; Apparatus, instruments and electric sensors for measuring the content of minerals in the soil; Computer data processing equipment and computer software for controlling and regulating the dispersion of fertilizers; Equipment for measuring, dosing and mixing of gases and fluids, namely, equipment comprised primarily of software, electronic control panel, electric sensors, injectors, flow meters, flow and pressure switches, pressure indicators and regulators, metering valves and electric warning bells and lights; Gas detectors for detecting the presence of gas; Manometers; Apparatus for recording, transmission or reproduction of sound or images; Blank magnetic data carriers; Blank recordable optical discs; Computer software, namely, software for measuring of crop nitrogen requirements and software for measuring, varying and distributing of fertilizers, software for measuring chlorophyll content in plants, software for measuring fertilizer content of the soil, software for measuring the content of minerals in the soil, software for measuring dosing and mixing of gas and fluids; Apparatus, instruments and electric sensors for emission control and abatement of polluting gases and other pollutants, including apparatus, instruments and sensors for NOx and SOx and H2S emission control and apparatus, instruments and sensors for NOx and SOx and H2S abatement; Computer software for measuring dosing and mixing of gas and fluids; Computer software for emission control and abatement of polluting gases and other pollutants, including computer software for NOx and SOx and H2S emission control and computer software for NOx and SOx and H2S abatement; Electronic apparatus, electronic instruments and electric sensors for use in agriculture, horticulture, aquaculture and forestry and maritime services for emission control and abatement of polluting gases and other pollutants ; Apparatus, instruments and electric sensors for dispensing liquid fuels, fuel additives, chemical additives, petrol and diesel for service stations comprising metering devices, monitoring devices and dosage dispensers; Computer software for dispensing liquid fuels, fuel additives, chemical additives, petrol and diesel for service stations and controlling metering devices, monitoring devices and dosage dispensers