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2. Topsoil - Wikipedia

   en.wikipedia.org/wiki/Topsoil

   Topsoil is composed of mineral particles and organic matter and usually extends to a depth of 5-10 inches (13–25 cm). Together these make a substrate capable of holding water and air which encourages biological activity. There are generally a high concentration of roots in topsoil since this is where plants obtain most of their vital nutrients.

3. Freight Farms - Wikipedia

   en.wikipedia.org/wiki/Freight_Farms

   Grown by Freight Farms (or "Grown") is an on-site farming service offered by Freight Farms and intended for medium and large institutions like educational campuses, office parks, retail locations, hospitals, and residential buildings. In contrast to an outright container farm purchase, Grown clients subscribe to the service for a period of time.

4. Washington Summit (1973) - Wikipedia

   en.wikipedia.org/wiki/Washington_Summit_(1973)

   The Washington Summit meeting occurred during a period within the Cold War era known as Détente, which took place between 1967 and 1979. [4] This shift in the historical conflict marked an easing of tensions between the United States of America and the Soviet Union, through which various Summits, including The Washington Summit, were an attempt to strengthen diplomatic relations and limit the ...

5. Sediment - Wikipedia

   en.wikipedia.org/wiki/Sediment

   Watershed development near coral reefs is a primary cause of sediment-related coral stress. The stripping of natural vegetation in the watershed for development exposes soil to increased wind and rainfall and, as a result, can cause exposed sediment to become more susceptible to erosion and delivery to the marine environment during rainfall events.

6. Nortraship - Wikipedia

   en.wikipedia.org/wiki/Nortraship

   The Norwegian Shipping and Trade Mission (Nortraship) was established in London in April 1940 to administer the Norwegian merchant fleet outside German-controlled areas. Nortraship operated some 1,000 vessels and was the largest shipping company in the world. [citation needed] It made a major contribution to the Allied war effort.

7. Subsurface textile irrigation - Wikipedia

   en.wikipedia.org/wiki/Subsurface_textile_irrigation

   Subsurface Textile Irrigation (SSTI) is a technology designed specifically for subsurface irrigation in all soil textures from desert sands to heavy clays. The use of SSTI will significantly reduce the usage of water, [1] fertilizer and herbicide. It will lower on-going operational costs and, if maintained properly, will last for decades.

8. Ecology of the San Francisco Estuary - Wikipedia

   en.wikipedia.org/wiki/Ecology_of_the_San...

   The region has been heavily re-engineered to accommodate the needs of water delivery, shipping, agriculture, and most recently, suburban development. These needs have wrought direct changes in the movement of water and the nature of the landscape, and indirect changes from the introduction of non-native species.

9. Soil - Wikipedia

   en.wikipedia.org/wiki/Soil

   Soil bulk density, when determined at standardized moisture conditions, is an estimate of soil compaction. [60] Soil porosity consists of the void part of the soil volume and is occupied by gases or water. Soil consistency is the ability of soil materials to stick together. Soil temperature and colour are self-defining.