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  • เผยแพร่เมื่อ 6 ธ.ค. 2024
  • Cassava
    manihot esculenta
    Good starchy food source. Considerable amount of calcium, Phosphorus and vitamin C is rich in roots. Use as staple food as well as chips, alcohol and fuel productivity. Comparatively low water and nutrient requirement. Therefore thrive well in marginal lands.
    Released Varieties
    MU-51
    Kirikawadi
    CAR5 555
    Suranimala
    Swarna
    Shani
    HORDI-MU-1
    HORDI 06
    Variety details
    Climatic requirements/ Areas suitable for cultivation
    Up to 1500m elevation. Cultivate throughout the year with in broad range of soil and climate condition.1000-1500mm rain fall and 25-29 oC Temperature is needed.
    Soil
    Suitable pH is 5-6. Water log, and Alkaline Soils are not suitable
    Cutting requirement
    12000-13000 cuttings/ha for 90 cm x 90 cm spacing
    For high branching varieties 6400-6500
    For export 17000-18000 cuttings /ha
    Nursery Management
    Direct planting of cuttings.
    But Special Cultivation can be maintained to obtain healthy vigorous cuttings. However disease management in this cultivating will avoid disease spreading via planting materials
    Land preparation
    Tillage and plant on set of rain
    Planting
    In wet zone plant in both Yala and Maha season. In Dry Zone plant in Maha season
    Single holes or Ridges can be used.
    Bag cultivation of cassava can be observed in different locations. In this method, 50 kg polysacks filled with loam soil are used.
    Spacing
    High Branching 125 x 125 cm
    For Export 75 x 75 cm
    Medium Branching type 90 x 90 cm
    Fertilizer
    Add organic fertilizer and add inorganic as recommended by Department of Agriculture
    Times for apply
    Urea kg/ha
    TSP kg/ha
    MOP kg/ha
    After 15 Days of planting
    85
    120
    125
    After 2.5 -3 Month of Planting
    85
    -
    60
    After 4-4.5Month of Planting
    85
    -
    60
    Water supply
    At the early stage water supply or soil moisture is important.
    Weed Control
    Weed Control is important in the beginning of the crop until crop cover the ground
    Pest Management
    Whiteflies act as vector of viral disease. Therefore spraying of neeam extracts. Live fencing, mix cropping with maize and water spraying from top would be useful to control the whiteflies vectors
    Disease Management
    1. Sri Lanka Cassava Mosaic Virus SLCMV
    2. Brown leaf spot Disease
    3. Collar rot or Root rot
    Harvesting
    Harvest at 9Month - 12Month. Only kirikawadi can be harvest from 6 month
    Yield
    35-40 t/ha

ความคิดเห็น • 5

  • @brainmri
    @brainmri 10 หลายเดือนก่อน +2

    it makes me learn! by Dylan

  • @Slbeauty343
    @Slbeauty343 ปีที่แล้ว

    Good job 👏

  • @Slbeauty343
    @Slbeauty343 ปีที่แล้ว

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  • @Luca-kq4ty
    @Luca-kq4ty ปีที่แล้ว

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