Principles of Cassava Production

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Questions and Answers

What is the primary staple for more than 800 million people in the world?

  • Rice
  • Maize
  • Cassava (correct)
  • Wheat

Which family does Cassava belong to?

  • Solanaceae
  • Fabaceae
  • Rosaceae
  • Euphorbiaceae (correct)

From which country did Cassava originate?

  • Nigeria
  • Sri Lanka
  • India
  • Brazil (correct)

What makes Cassava an essential food security crop?

<p>Its edible roots can be left in the ground for up to 36 months (A)</p> Signup and view all the answers

What is the recent trend for Cassava in Sri Lanka?

<p>It has become a major horticultural export commodity earning foreign exchange (D)</p> Signup and view all the answers

What are the characteristics of Cassava that make it a remarkably hardy crop?

<p>Drought tolerance and relatively free from pest attack (B)</p> Signup and view all the answers

In which zones is cassava mainly grown in Sri Lanka?

<p>Wet and intermediate zones (C)</p> Signup and view all the answers

What is the main production system of cassava in the wet zone?

<p>Large scale openland cultivation (C)</p> Signup and view all the answers

Where is chena cultivation of cassava practiced in large scale?

<p>Dry zone (B)</p> Signup and view all the answers

During which season does peak production of cassava fall?

<p>Maha season (B)</p> Signup and view all the answers

What is the recommended variety of cassava with a maturity of 8-10 MAP, long neck root, medium branching, white pulp, and purple pink inner bark?

<p>Variety MU 51 (Peradeniya) (C)</p> Signup and view all the answers

In which districts does large scale openland cultivation of cassava mainly occur in Sri Lanka?

<p>Gampaha, Colombo, Kegalle, Rathnapura, and Matara Districts (A)</p> Signup and view all the answers

Which practice is common in the intermediate zone (Kurunegala district) for cultivating cassava?

<p>Mixed cropping of cassava with coconut and pineapple cultivations (D)</p> Signup and view all the answers

In which zone is chena cultivation of cassava practiced on a large scale in Sri Lanka?

<p>Dry zone (Putlam, Anuradhapura, Ampara, Hambantota, Moneragala Districts) (C)</p> Signup and view all the answers

What is the primary reason why Cassava is considered an essential food security crop?

<p>Its ability to give acceptable yields under low inputs (B)</p> Signup and view all the answers

What distinguishes cassava from other major food crops like wheat, rice, and maize?

<p>Its ability to be grown clonally (vegetatively) (B)</p> Signup and view all the answers

What significant role does cassava play in relation to adverse climatic conditions?

<p>It serves as a household food bank that can be drawn on when other foods are not available (B)</p> Signup and view all the answers

What contributes to cassava's significance as a source of energy for calorie deficient populations?

<p>Its maturity as an edible root that can be left in the ground for up to 36 months (C)</p> Signup and view all the answers

What characteristic makes cassava stand out as an important crop in Sri Lanka with regards to foreign exchange earnings?

<p>Its significance as a horticultural export commodity (C)</p> Signup and view all the answers

What is the main reason for cassava's remarkable hardiness and drought tolerance?

<p>It has the ability to give acceptable yields under low inputs (D)</p> Signup and view all the answers

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