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Technological development in Sri Lanka's agriculture

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  Soil-less culture/ Hydroponics culture ..... What is the Soil-less culture/ Hydroponics culture ? Soilless cultivation is cultivation using solid, liquid and gaseous media other than soil. importance of soil-less culture Suitable for urban cropland and home garden cultivation where large cultivation area is not required. Soil borne diseases will decrease. Due to fewer diseases, the use of chemical pesticides is less. This will reduce environmental pollution. This method can be used even on land that cannot be used for cultivation. More efficient use of water and nutrients increases the quantity and quality of crop yields Types of soil-less culture/ Hydroponics culture 1. Solution culture or Liquid hydroponics -Circulating methods (closed system) Nutrient film technique (NFT) Deep flow technique (DFT) -Non-circulating method (open systems) Root dipping technique          1. Root dipping technique for  non-root tuber crops         ...