Get premium membership and access questions with answers, video lessons as well as revision papers.
- Life cycle
Annuals - complete their life cycle in only one season.
Biennuals - complete their life cycles in two seasons only.
Perennials - complete their life cycle in more than two seasons.
- Morphology
leaf formation such as size, shape and venation.
Broad leaved weeds for example black jack, lantana, pig weed, oxalis and others.
Narrow leaved weeds for example couch grass, setaria, nut-grass, manyatta grass and others.
- Habitat
some weeds are terrestrial (grow on land) while others are aquatic (grow on aquatic/marine conditions).
Kavungya answered the question on March 28, 2019 at 07:16
- List the economic classes caused by weeds.(Solved)
List the economic classes caused by weeds.
Date posted: March 28, 2019. Answers (1)
- What is a crop pest?(Solved)
What is a crop pest?
Date posted: March 28, 2019. Answers (1)
- Name the categories of crop pest?(Solved)
Name the categories of crop pest?
Date posted: March 28, 2019. Answers (1)
- What is a plant disease.(Solved)
What is a plant disease.
Date posted: March 28, 2019. Answers (1)
- Name the disease causing factors in crops.(Solved)
Name the disease causing factors in crops.
Date posted: March 28, 2019. Answers (1)
- Discuss the growing of cassava.(Solved)
Discuss the growing of cassava.
Date posted: March 28, 2019. Answers (1)
- Outline the methods that can be used to improve permanent potatoes.(Solved)
Outline the methods that can be used to improve permanent potatoes.
Date posted: March 28, 2019. Answers (1)
- What factors determine the forage crop species to be established at a place?(Solved)
What factors determine the forage crop species to be established at a place?
Date posted: March 28, 2019. Answers (1)
- In which form can pasture be considered?(Solved)
In which form can pasture be considered?
Date posted: March 28, 2019. Answers (1)
- What is a vector?(Solved)
What is a vector?
Date posted: March 28, 2019. Answers (1)
- Explain the term incubation in livestock diseases(Solved)
Explain the term incubation in livestock diseases
Date posted: March 28, 2019. Answers (1)
- Discuss Brucellesis (contagious abortion) in appropriate sub headings.(Solved)
Discuss Brucellesis (contagious abortion) in appropriate sub headings.
Date posted: March 28, 2019. Answers (1)
- Discuss foot rot disease under appropriate sub headings.(Solved)
Discuss foot rot disease under appropriate sub headings.
Date posted: March 28, 2019. Answers (1)
- Discuss foot and Mouth disease (FMD) under appropriate sub headings.(Solved)
Discuss foot and Mouth disease (FMD) under appropriate sub headings.
Date posted: March 28, 2019. Answers (1)
- Discuss East Cost Fever (ECF) under appropriate sub headings. (Solved)
Discuss East Cost Fever (ECF) under appropriate sub headings.
Date posted: March 28, 2019. Answers (1)
- Discuss Newcastle under appropriate sub headings. (Solved)
Discuss Newcastle under appropriate sub headings.
Date posted: March 28, 2019. Answers (1)
- Discuss Anthrax under appropriate sub-headings.(Solved)
Discuss Anthrax under appropriate sub-headings.
Date posted: March 28, 2019. Answers (1)
- Discuss Red water under the appropriate sub-headings.
i) Causal agent
ii) Symptoms
iii) Control measures(Solved)
Discuss Red water under the appropriate sub-headings.
i) Causal agent
ii) Symptoms
iii) Control measures
Date posted: March 28, 2019. Answers (1)
- Mention the ways in which solar energy is used on the farm.(Solved)
Mention the ways in which solar energy is used on the farm.
Date posted: March 28, 2019. Answers (1)
- What are the requirements for animals used as a source of farm power?(Solved)
What are the requirements for animals used as a source of farm power?
Date posted: March 28, 2019. Answers (1)