Measuring Ion Concentrations in Plant Tissue
- Aptisens Digital or Mobile Multiple Ion Kit
- Weighing scales
- Liquid measurement device e.g. graduated cylinder
- Bowl for stirring
- Spoon for stirring
- Filter paper / muslin
- Conical flask / vessel
- Aptisens multiple ion conditioning solution
- Aptisens Plant Tissue multiple ion calibration solutions
- Deionised water
This preparation can be applied to any plant tissue. Take a sample of lettuce and remove any soil but do not wash the plant tissue as doing so may reduce the number of ions in sample. Weigh this sample and record (say 100 g). Macerate the plant tissue in a blender and add a known amount of hot deionised water to the sample to extract the nutrients. For example, dilute the sample two-fold (200 mL), three-fold (300 mL) or five-fold (500 mL). Ensure all the plant tissue is covered with water and leave to sit for approximately 30 min with some stirring. The sample then needs to be filtered.
Set up a funnel with folded filter paper in a conical flask or any vessel that can hold a funnel. Pour the plant tissue and water into the funnel and allow the mixture to filter. Collect the filtrate.
Before use the multiple ion probe must be conditioned in Aptisens multiple ion conditioning solution. Ensure the correct calibration solutions for a three-point calibration are set up on the Mobile meter or MeterLink. Follow the instructions for calibration and proceed to take a sample reading when the calibration data is ‘very good’ or ‘good’ for all ions.
Place the probe in the plant tissue filtrate and ‘Take a Sample’ reading. The concentrations for each ion will be displayed in ppm or mmol / L.
Remember to multiply these concentrations by the dilution factor.
After taking your reading be sure to remove the sensors from the solution as quickly as possible, rinse with deionised water and replace the cap of the probe
By Aptisens based in Little Island, IRELAND.
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By Atlas Seis - Sistemas de Energia para a Industria e Serviços, Lda. based in S.Domingos de Rana, PORTUGAL.
TeraFlo® significantly reduces watering requirements per cycle of irrigation while maintaining adequate moisture for good plant health and growth. Due to its filtration properties, excessive moisture also flows through the soil thereby preventing environments for fungal growth. It draws moisture from the air and the surface and attaches itself to the plant roots from sources not previously available. It provides proper wetting and drainage in non-soil media as well as eliminating unusable water. TeraFlo® dramatically improves the ability of rainfall and water to easily penetrate the soil surface and gain access to the root zone. By encapsulating the soil particles, it significantly decreases friction allowing for easy and rapid water penetration and filtration into any soil condition; hardpan, compacted or otherwise. It improves the efficiency of all applied additives (pesticides, insecticides nutrients, etc) preventing rapid leaching of these products. This increases their effectiveness and reduces over all application quantities making additive usage far more cost effective. Holding organophosphates in the soil reduces the leaching of these toxins which significantly improves their performance. The product has a special affinity to nitrogen thereby reducing nitrate leaching protecting against groundwater contamination. TeraFlo® prevents the buildup of soluble sodium salts contained in fertilizers and water sources thereby reducing stress conditions. Continual use will keep the root zone free of sodium salts. TeraFlo® increases microbial activity which aids in root cell buildup resulting in faster uptake of nutrients. TeraFlo® reduces soil erosion from in-furrow irrigation and significantly reduces nitrogen loss in head ditch irrigation systems. TeraFlo® improves drip applied fumigant systems allowing for a more efficient and longer release system. Teraflo provides lubrication to pump parts, valves, and other parts of pressurized water systems preventing products in the irrigation piping from sticking to the walls, thus reducing drip and irrigation head clogging. This reduces downtime, repair costs, and maintenance.
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