SOIL AND WATER CONSERVATION

Soil Erosion - Introduction and Factors
Types of Soil Erosion by Water - Splash and Sheet

By the end of the lesson, the learner should be able to:
Define soil erosion and its types. Outline factors influencing soil erosion. Explain the difference between geological and accelerated erosion. State the role of human activities in soil erosion.

Exposition of soil erosion concepts. Discussion on erosion factors. Brain storming on human activities causing erosion. Question and answer on erosion types.

Charts showing soil erosion factors. Pictures of eroded areas. Erosion type illustrations. Factor identification guides.
Raindrop impact diagrams. Sheet erosion illustrations. Splash pattern charts. Erosion process demonstrations.

KLB BK III Pgs 158-167

SOIL AND WATER CONSERVATION

Types of Soil Erosion by Water - Rill and Gully
Wind Erosion and Human Activities

By the end of the lesson, the learner should be able to:
Describe rill erosion formation. Explain gully erosion development. Identify U-shaped and V-shaped gullies. State processes involved in gully formation.

Brain storming on channel erosion. Discussion on rill to gully progression. Exposition of gully formation processes. Question and answer on gully shapes.

Rill erosion pictures. Gully formation diagrams. U and V-shaped gully illustrations. Channel erosion process charts.
Wind erosion pictures. Dust storm illustrations. Human activity impact charts. Erosion-prone area maps.

KLB BK III Pgs 167-172

SOIL AND WATER CONSERVATION

Effects of Soil Erosion
Riverbank Erosion and Solifluction

By the end of the lesson, the learner should be able to:
Highlight effects of soil erosion on agriculture. State effects on water bodies and infrastructure. Explain loss of soil micro-organisms. Discuss economic impacts of erosion.

Brain storming on erosion effects. Discussion on agricultural impacts. Exposition of infrastructure damage. Brief discussion on economic losses.

Erosion effect illustrations. Agricultural impact charts. Infrastructure damage pictures. Economic loss examples.
Riverbank erosion pictures. Solifluction diagrams. Control measure illustrations. Mass wasting factor charts.

KLB BK III Pgs 167-172

SOIL AND WATER CONSERVATION

Landslides and Mass Wasting
Methods of Soil and Water Conservation - Biological Control

By the end of the lesson, the learner should be able to:
Identify types of landslides (slump, debris slide, rock fall). State effects of mass wasting. Explain causes of landslides. Describe prevention measures for mass movements.

Brain storming on landslide types. Discussion on mass wasting effects. Exposition of landslide causes. Brief discussion on prevention measures.

Landslide type illustrations. Mass wasting effect pictures. Cause identification charts. Prevention measure guides.
Conservation method charts. Grass strip illustrations. Contour farming pictures. Mulching demonstration materials.

KLB BK III Pgs 178-183

SOIL AND WATER CONSERVATION

Biological Control - Cropping Systems and Afforestation
Physical/Structural Control Measures - Trash Lines and Bunds

By the end of the lesson, the learner should be able to:
Explain cropping systems for conservation. Describe strip cropping methods. State roles of trees in soil conservation. Outline afforestation and reafforestation benefits.

Brain storming on cropping systems. Discussion on strip cropping. Exposition of tree roles in conservation. Brief discussion on afforestation benefits.

Cropping system diagrams. Strip cropping illustrations. Tree conservation role charts. Afforestation benefit guides.
Trash line construction pictures. Bund construction diagrams. Structural measure illustrations. Area suitability guides.

KLB BK III Pgs 183-188

SOIL AND WATER CONSERVATION

Physical Control - Cut-off Drains and Terraces
Water Harvesting Methods

By the end of the lesson, the learner should be able to:
Describe cut-off drains construction. Identify types of terraces (broad-based, narrow-based, bench, fanya juu). Explain terrace construction procedures. State advantages of different terrace types.

Brain storming on drainage systems. Discussion on terrace types. Exposition of construction procedures. Brief discussion on terrace advantages.

Cut-off drain diagrams. Terrace type illustrations. Construction procedure charts. Advantage comparison tables.
Water harvesting method charts. Weir and dam construction diagrams. Roof catchment illustrations. Rock catchment system pictures.

KLB BK III Pgs 183-188

WEEDS AND WEED CONTROL

Weed Identification and Classification
Common Weeds in East Africa

By the end of the lesson, the learner should be able to:
Define a weed and give examples. Identify common weeds using botanical and common names. Classify weeds based on growth cycle (annual, biennial, perennial). Classify weeds based on plant morphology (narrow-leaved, broad-leaved).

Exposition of weed definition concepts. Discussion on weed identification methods. Drawing and labeling common weeds. Brief discussion on classification systems.

Charts showing common weeds. Weed identification guides. Drawing materials for weed illustrations. Classification system charts.
Pictures of common East African weeds. Weed characteristic charts. Competitive ability factor guides. Local weed examples.

KLB BK III Pgs 192-199

WEEDS AND WEED CONTROL

Competitive Ability of Weeds
Harmful Effects of Weeds

By the end of the lesson, the learner should be able to:
State factors contributing to competitive ability of weeds. Explain weed propagation methods. Describe environmental adaptation of weeds. Discuss weed survival mechanisms.

Discussion on weed competitive factors. Exposition of propagation methods. Brief discussion on environmental adaptation. Question and answer on survival mechanisms.

Weed propagation method charts. Environmental adaptation illustrations. Survival mechanism diagrams. Competitive factor identification guides.
Weed damage pictures. Crop quality comparison charts. Striga parasitism illustrations. Health effect information guides.

KLB BK III Pgs 200-202

WEEDS AND WEED CONTROL

More Harmful Effects and Benefits of Weeds
Chemical Weed Control - Introduction and Mode of Action

By the end of the lesson, the learner should be able to:
State effects of weeds on irrigation and aquatic systems. Explain effects on pasture quality. Describe beneficial effects of weeds. Discuss weeds as sources of food and medicine.

Discussion on aquatic weed problems. Exposition of pasture effects. Brief discussion on weed benefits. Question and answer on food and medicinal uses.

Aquatic weed pictures (water hyacinth). Pasture quality comparison charts. Beneficial weed examples. Food and medicine use illustrations.
Weed control method charts. Herbicide action diagrams. Mode of action illustrations. Herbicide effect demonstrations.

KLB BK III Pgs 166-167

WEEDS AND WEED CONTROL

Classification of Herbicides - Formulation and Application Time
Factors Affecting Selectivity and Effectiveness of Herbicides

By the end of the lesson, the learner should be able to:
Classify herbicides by formulation (liquids, wettable powders). Classify herbicides by time of application (pre-emergence, post-emergence). Explain advantages of different formulations. State when to apply different herbicide types.

Discussion on herbicide formulations. Exposition of application timing. Brief discussion on formulation advantages. Question and answer on application timing.

Herbicide formulation examples. Application timing charts. Formulation advantage guides. Timing recommendation tables.
Selectivity factor charts. Effectiveness factor guides. Plant characteristic illustrations. Environmental factor diagrams.

KLB BK III Pgs 205-206

WEEDS AND WEED CONTROL

Herbicide Combinations and Safety Precautions

By the end of the lesson, the learner should be able to:
Give examples of herbicide combinations used in Kenya. State herbicide combinations for different crops. Highlight precautions when using herbicides. Explain safety measures for chemical handling.

Discussion on herbicide combinations for different crops. Exposition of safety precautions. Brief discussion on protective measures. Question and answer on safe handling.

Herbicide combination charts for different crops. Safety precaution guides. Protective equipment illustrations. Safe handling procedure charts.

KLB BK III Pgs 208-209

WEEDS AND WEED CONTROL

Advantages and Disadvantages of Chemical Control

By the end of the lesson, the learner should be able to:
State advantages of using herbicides. Identify disadvantages of chemical weed control. Compare chemical control with other methods. Discuss environmental concerns of herbicide use.

Brain storming on herbicide advantages. Discussion on chemical control disadvantages. Exposition of method comparisons. Brief discussion on environmental effects.

Advantage/disadvantage comparison charts. Method comparison tables. Environmental effect illustrations. Chemical control evaluation guides.

KLB BK III Pgs 208-209

WEEDS AND WEED CONTROL

Advantages and Disadvantages of Chemical Control

By the end of the lesson, the learner should be able to:
State advantages of using herbicides. Identify disadvantages of chemical weed control. Compare chemical control with other methods. Discuss environmental concerns of herbicide use.

Brain storming on herbicide advantages. Discussion on chemical control disadvantages. Exposition of method comparisons. Brief discussion on environmental effects.

Advantage/disadvantage comparison charts. Method comparison tables. Environmental effect illustrations. Chemical control evaluation guides.

KLB BK III Pgs 208-209

WEEDS AND WEED CONTROL

Advantages and Disadvantages of Chemical Control

By the end of the lesson, the learner should be able to:
State advantages of using herbicides. Identify disadvantages of chemical weed control. Compare chemical control with other methods. Discuss environmental concerns of herbicide use.

Brain storming on herbicide advantages. Discussion on chemical control disadvantages. Exposition of method comparisons. Brief discussion on environmental effects.

Advantage/disadvantage comparison charts. Method comparison tables. Environmental effect illustrations. Chemical control evaluation guides.

KLB BK III Pgs 208-209

WEEDS AND WEED CONTROL
CROP PESTS AND DISEASES

Mechanical Weed Control
Cultural, Biological and Legislative Control
Definition and classification of crop pests

By the end of the lesson, the learner should be able to:
State advantages of tillage as weed control method. Explain disadvantages of mechanical cultivation. Describe slashing and uprooting methods. Compare mechanical methods with chemical control.

Discussion on tillage advantages and disadvantages. Exposition of mechanical methods. Brief discussion on method comparisons. Question and answer on mechanical techniques.

Mechanical control tool pictures. Tillage advantage/disadvantage charts. Method comparison tables. Mechanical technique illustrations.
Cultural control method charts. Biological control examples. Legislative control illustrations. Noxious weed law information.
Pictures of various crop pests, charts showing pest classification and damage

KLB BK III Pgs 209-210

CROP PESTS AND DISEASES

Field insect pests - biting and chewing
Field insect pests - piercing and sucking
Other field pests
Storage pests

By the end of the lesson, the learner should be able to:
Identify insects with biting and chewing mouth parts. Give examples of biting and chewing pests. Describe damage caused by biting insects. Draw and label mouth parts of a locust.

Examining pictures of biting insects. Drawing and labeling locust mouth parts. Discussion on damage patterns to different plant parts.

Pictures of locusts, army worms, cutworms, bollworms, diagrams of insect mouth parts
Pictures of aphids, scales, thrips, mealy bugs, charts showing disease transmission table
Pictures of mite damage, nematode galls, rodents, bird pests, large animals affecting crops
Storage pest specimens, damaged grain samples, pictures of various storage pests

KLB BK III Pg 177-180

CROP PESTS AND DISEASES

Legislative and physical pest control methods
Cultural pest control methods
Chemical pest control
Biological pest control and crop disease introduction

By the end of the lesson, the learner should be able to:
Define legislative pest control methods and explain quarantine importance. Describe physical pest control methods including heat treatment, flooding, and suffocation. Explain use of electromagnetic radiation and physical barriers. State advantages of physical control methods.

Exposition of legislative control importance. Discussion and demonstration of physical control principles. Brain storming on physical control applications.

Government quarantine documents, thermometers, charts showing physical control methods
Charts showing crop rotation cycles, pictures of trap crops, resistant variety samples, clean seeds
Sample pesticide containers, charts showing pesticide classification, application equipment
Pictures of beneficial insects, predator-prey relationship charts, diseased plant samples

KLB BK III Pg 187-189

CROP PESTS AND DISEASES

Fungal diseases
Coffee berry disease and other fungal diseases

By the end of the lesson, the learner should be able to:
Describe characteristics of fungi as disease-causing agents. Classify parasitic fungi into main groups. Explain late blight disease of potatoes and tomatoes. Describe rust and smut diseases of cereals.

Exposition of fungal characteristics and classification. Discussion on major fungal diseases. Examination of infected plant specimens.

Pictures of fungal structures, infected potato leaves, rusted plants, smut-infected crops
Pictures of infected coffee berries, charts showing disease cycle, fungal disease specimens

KLB BK III Pg 197-201

CROP PESTS AND DISEASES

Viral diseases
Bacterial diseases and nutritional disorders

By the end of the lesson, the learner should be able to:
Describe characteristics of viruses as obligate parasites. Identify symptoms of viral infections including chlorosis, mosaics, and rosetting. Explain viral disease transmission by insect vectors. Give examples of common viral diseases affecting crops.

Exposition of viral characteristics. Discussion on viral symptoms and transmission. Examination of virus-infected plant specimens.

Pictures of mosaic-infected plants, charts showing viral transmission, infected cassava and tobacco samples
Pictures of bacterial-infected plants, nutrient-deficient plants, charts showing various disease symptoms

KLB BK III Pg 203-204

CROP PESTS AND DISEASES

Cultural control of crop diseases
Chemical and legislative control of diseases

By the end of the lesson, the learner should be able to:
Identify cultural methods of disease control including field hygiene and clean planting materials. Explain proper spacing, heat treatment, and crop rotation for disease control. Describe use of disease-resistant varieties. State advantages of cultural disease control.

Brain storming on cultural disease control methods. Discussion on hygiene importance and resistant varieties. Demonstration of proper spacing principles.

Charts showing cultural control methods, disease-resistant variety samples, clean farming tools
Fungicide samples, spraying equipment, government regulation documents, integrated management charts

KLB BK III Pg 206-207

CROP PRODUCTION VI (FIELD PRACTICES II)

Maize - ecological requirements and varieties
Maize - land preparation and planting
Maize - field operations
Maize - pest and disease control

By the end of the lesson, the learner should be able to:
Outline ecological requirements for maize production. Identify different maize varieties grown in Kenya. Distinguish between hybrids and composites. Explain adaptation of varieties to specific ecological zones.

Exposition of maize growing conditions. Discussion on variety selection. Examination of different maize varieties.

Charts showing ecological zones, maize variety samples, maps of Kenya showing maize growing areas
Farm tools, certified maize seeds, measuring equipment, charts showing planting procedures
Fertilizer samples, calculators, charts showing application methods, herbicide containers
Pictures of maize pests, damaged maize plants, pest control chemicals

KLB BK III Pg 198-200

CROP PRODUCTION VI (FIELD PRACTICES II)

Finger millet production
Finger millet - field management and pest control
Bulrush millet and sorghum production
Sorghum - pest and disease control

By the end of the lesson, the learner should be able to:
Outline ecological requirements for finger millet. Identify finger millet varieties grown in Kenya. Describe land preparation and planting methods. Explain advantages of finger millet as a food security crop.

Exposition of finger millet characteristics. Discussion on growing conditions. Examination of finger millet specimens.

Finger millet samples, charts showing ecological requirements, pictures of finger millet fields
Fertilizer samples, finger millet storage containers, pictures of head blast disease
Bulrush millet and sorghum samples, charts comparing crop characteristics
Pictures of quelea birds, damaged sorghum plants, sorghum harvesting tools

KLB BK III Pg 204-206

CROP PRODUCTION VI (FIELD PRACTICES II)

Beans production
Beans - field operations and pest control

By the end of the lesson, the learner should be able to:
Outline ecological requirements for beans production. Identify bean varieties including dry beans and French beans. Describe land preparation and planting methods for beans. Explain importance of beans as protein source.

Exposition of bean growing conditions. Discussion on variety selection. Examination of different bean varieties.

Different bean variety samples, charts showing ecological requirements
Pictures of bean diseases, diseased bean specimens, irrigation equipment

KLB BK III Pg 211-212

CROP PRODUCTION VI (FIELD PRACTICES II)

Rice production
Harvesting of industrial crops - cotton and pyrethrum

By the end of the lesson, the learner should be able to:
Outline ecological requirements for rice production. Describe rice irrigation schemes in Kenya. Explain land preparation and water control in rice. State fertilizer application methods in rice production.

Exposition of rice growing conditions. Discussion on irrigation importance. Case study of Mwea rice scheme.

Maps showing rice schemes, pictures of rice fields, water control equipment
Cotton samples showing different grades, pyrethrum flowers, harvesting baskets

KLB BK III Pg 214-215

CROP PRODUCTION VI (FIELD PRACTICES II)

Harvesting of industrial crops - sugarcane and coffee
Harvesting of industrial crops - tea

By the end of the lesson, the learner should be able to:
Describe harvesting methods for sugarcane including maturation indicators. Explain procedures for coffee cherry harvesting. State quality factors in coffee harvesting. Outline precautions during harvesting of tree crops.

Discussion on crop maturation signs. Examination of coffee cherries at different stages. Brain storming on quality maintenance.

Sugarcane samples, coffee cherries at different ripeness stages, harvesting tools
Tea plucking stick, tea baskets, fresh tea specimens showing different plucking standards

KLB BK III Pg 217-218