Page 37 - Agriculture Form Two

Agriculture for Secondary Schools

Weed management

Banana fields should be maintained free of weeds by hoeing, mulching or using
herbicides. Bananas have shallow roots, so caution is necessary during weeding
to prevent root damage. A thick layer of mulch (10-15 cm) can effectively
suppress weeds, retain moisture and contribute humus to enhance soil structure.
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Additionally, inter-cropping can help to keep the field free of weeds. Consult an
agricultural extension worker for the appropriate herbicides, the correct dose and
time and how to apply them to crop plants.

Activity 2.5
Visit some nearby agrovet shops or agricultural extension workers and do the
following:

(a) Inquire about the types of fertilisers recommended for banana plants in
in a field;
(b) Identify the types of weeds that affect banana production;
(c) Identify the available herbicides for controlling weeds in banana fields;

(d) For each type of herbicide, record the recommended dose; then,
(e) Summarise your observations in your portfolio.

Exercise 2.4

1. Define the following terms: (a) orchard and (b) herbicide.
2. Describe different techniques that help to manage soil moisture in banana
fields.
3. What are the primary nutrients required by banana plants? How can they be
supplied efficiently?

4. Outline the major pests affecting a banana and suggest ways to manage them.
5. Explain what precautions are to be considered when applying pesticides on
the banana field.

Diseases management

Bananas are susceptible to various diseases. Some of the major banana diseases
include;

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Agriculture form 2.indd 29 04/10/2024 18:07
Agriculture form 2.indd 29