Crusting of the soil surface reduces the rate at which water and air can move into it. The soil surface has open pore spaces that are created by the soil structure. Repeated, shallow cultivation for weed control weakens this soil structure. At this weakened stage, the impact of water droplets from irrigation or rain will easily destroy the soil structure. Thus, the open pore space is gone and a crust forms that can seal off the soil surface.

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Pioneers in Water Filtration SystemsAt LiquaGen, we take pride in our combined experience of over 125 years to bring you the best & advanced aquarium systems. When you buy from us, our relationship doesn’t end at the purchase. Our skilled support team is always ready to help you so that you can make the most of your aquarium filter.

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Standing water is found on soils with low infiltration rates and/or poor drainage. Under these conditions, water from rain or irrigation will not enter the soil rapidly and therefore accumulates on the soil surface. Even a gentle, 2% slope moves water downhill, and it tends to accumulate in low areas of the field.

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A container nursery's surface allows water to collect in depressions — ideal conditions for Phytophthora. Be sure that plant beds slope at least 2% to provide sufficient drainage. Beds must be carefully graded to eliminate depressions or low areas where water will collect. Use a combination of drainage ditches and tile lines to move water away from production areas and, possibly, to a storage reservoir.

A Wide Range of Aquarium Filtration SystemAt LiquaGen, we offer a wide variety of ro-di water filter types for small and large aquariums. Apart from the size, it is also important to know the benefits of deionized water vs. reverse osmosis water. While using reverse osmosis system for aquarium, water is cleansed of solids, but still contains salts. The opposite is true for DI water. So, both are used together to get clean water.Check out our selection of the highest quality Reverse Osmosis (RO/DI) systems to give your fish ultra-pure water. We have aquarium RO systems with 4 stage, 5 stage, 6 stage, and 7 stage water filters. Our 7-stage filter uses UDF activated carbon, coconut carbon, RO membrane and deionization cartridges as aquarium filtration media.

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You can discourage Phytophthora disease in both field-grown and container-grown crops by eliminating standing water in the nursery and by improving root-zone drainage. Use gravity to move excess water away from the plant and its root system. The approach you take will be different if you grow plants in the field or in containers.

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Buying an aquarium is not enough, you need to take care of the fish too. Did you know that ordinary tap water contains chlorine and various other chemicals that are harmful for both freshwater and saltwater fish? So, the most important part of having a thriving aquarium is choosing the right RO/DI system for aquarium.

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Tile drainage systems are effective in removing water from saturated root zones and in reducing the amount of standing water.

Soil compaction is another problem for field nurseries in Oregon. Improving soil structure will help reduce compaction and increase surface water infiltration rates.

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Many of the silt loam soils used to grow nursery crops in Oregon develop perched water tables. This condition holds ground water closer to nursery crop roots and encourages Phytophthora diseases. These soils will benefit from a well-designed drainage system, especially when tile lines are less than 20 feet apart. To work efficiently, the tile drain system must discharge water at the lowest elevation in the field.  Sometimes, the system also conveys drainage water to a storage reservoir to be reused for irrigation.

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North Willamette Research and Extension Center 15210 NE Miley Rd Aurora, OR 97002 Send E-mail Phone: 971-801-0393