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SpaceX
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NASA
СпутникиРНSpaceXРоскосмосNASAContents: History --- Estimate of Total Irrigated Crops --- The Need of Irrigation in Florida (Relation of Soil Types to Irrigation [Soil-moisture Tests] – Other Factors Determining the Need of Irrigation) --- Water Supply Available for Irrigation --- Description of Irrigation Systems in Use in Florida (Systems for the Irrigation of Truck Crops – Subirrigation as Practiced at Sanford – Other Forms of Irrigation in Florida – Open-Ditch Subirrigation at Hastings – Overhead Spray Systems – The Furrow Method and Other Systems Used for Irrigating Truck – Irrigation of Citrus Groves [Hose irrigation for Citrus Groves – Irrigation by Automatic-Sprinkling Systems – Irrigation by Surface Methods - Irrigation from Flowing Wells]) -- Summary of Irrigation Plants in Use --- Experiments to determine methods for Economical Irrigation – Soil-Moisture Tests Made in Connection with Irrigation --- Experiments with Low-Pressure Pipe Systems ---Some Important Points in the Design and Equipment of an Irrigation Plant.
Contents: History --- Estimate of Total Irrigated Crops --- The Need of Irrigation in Florida (Relation of Soil Types to Irrigation [Soil-moisture Tests] – Other Factors Determining the Need of Irrigation) --- Water Supply Available for Irrigation --- Description of Irrigation Systems in Use in Florida (Systems for the Irrigation of Truck Crops – Subirrigation as Practiced at Sanford – Other Forms of Irrigation in Florida – Open-Ditch Subirrigation at Hastings – Overhead Spray Systems – The Furrow Method and Other Systems Used for Irrigating Truck – Irrigation of Citrus Groves [Hose irrigation for Citrus Groves – Irrigation by Automatic-Sprinkling Systems – Irrigation by Surface Methods - Irrigation from Flowing Wells]) -- Summary of Irrigation Plants in Use --- Experiments to determine methods for Economical Irrigation – Soil-Moisture Tests Made in Connection with Irrigation --- Experiments with Low-Pressure Pipe Systems ---Some Important Points in the Design and Equipment of an Irrigation Plant.