a) Identify i) The disease (1 mark) …………………………… ii) The causal organism (1 mark) ……………………………… b) Apart from lesions, state two other symptoms of the disease. (2 marks) ……………………………………… c) State two control measures of the disease. (2 marks) …………………………………………… a)
0 Comments
a) Identify the parts labelled J, K,L and M. (4 marks) J- …………………… K- …………………… L- …………………… M- ………………… b) State two maintenance practices carried out on a planter. (2 marks) ………………………………………………………………………… ANSWERS
a)
b)
Answersa) A – Rafter
B – Tie beam / cross tie C – Parlin D – Gutter (4 x ½ = 2mks) b) – To collect rain from the roof - To prevent rainwater from splashing soil onto the walls by preventing direct impact (2 x 1= 2mks)
Questionsa) A – RIP saw
B – Cross cut saw b) A – Cutting along the grains of wood B – Cutting across the grains of wood A deep litter poultry house measures 9m x 3m. Suppose the amount of space allowed for one bird is 0.27m2, calculate the number of birds that can be kept comfortably in this house. Show your working. (2 marks)State two factors that would determine the width and depth of a cut- off drain. (1 mark)
Milk fever is a metabolic disorder caused by insufficient calcium, commonly occurring around calving. Milk fever, or hypocalcaemia, is when the dairy cow has lowered levels of blood calcium. Give four symptoms of milk fever. (2 marks)
State two methods of controlling milk fever
Name four breeds of dairy goats. (2 marks)
Meaning of scouring - (of livestock) suffer from diarrhoea. Causes of scouring in calves. (1 mark)
Study the table below and fill in the missing words. (3 marks)ANSWERSCalf , piglet
Heifer , pallet Sow , cock (6 x ½ = 3mks) a) Discuss factors that should be put into consideration while choosing suitable implements for primary cultivation. (10 marks)a) Factors considered in choice of suitable implements for primary land preparations
b) Describe how you would establish grass pasture seeds on land that is already ploughed using a Mouldboard plough, up to when the pasture is ready for grazing. (10 marks)b) Establishment of grass pasture on already ploughed land up to when the pasture is ready for grazing
Outline the factors a farmer would consider before selecting a farm enterprise to undertake22/8/2021 Outline the factors a farmer would consider before selecting a farm enterprise to undertake. (10 marks)Factors considered before selecting a farm enterprise
b) The farm manager of Kilimo farm made the following purchases in December 2004. -Seeds and fertilizers 2,500/= -disc plough 80,000/= -Fuel 5,000/= -Poultry feeds 4,500/= and -Cattle drugs 2,000 During the year the farm sold maize to Njoro girls for 20,000; milk processor for Shs. 40,000. Kilimo farm also expected Shs. 8,000 from a prominent neighbouring farmer for ploughing the land. The opening valuation was Shs. 50,000 and closing valuation Shs. 80,000. Using the information provided above, prepare Profit and Loss account for Kilimo farm. (10 marks) Profit and loss a/c of Kilimo farm for the year 31st December 2004 Award 1 mark for correct: title, purchase and sales, correct total: 1 x 3 = 3 marks
Award ½ mark for any correct entry ½ x 10 = 5mks i) Ecological requirements (5 marks)Field production of tomatoes i) Ecological requirements of tomato plants
ii) Land preparations (4 marks)ii) Land preparations
iii) Transplanting (7 marks)iii) Transplanting
iv) Disease control (4 marks)iv) Disease control
Questions
Answersa) Sprinkler / overhead irrigation (1 x ½ = ½ mk)
b) Advantages
QUESTIONSa)
b)
ANSWERSa)
i) Seed box – Reject nursery (1mk) ii) Advantages
The diagram below shows a set up of apparatus for finding the percentage of humus contents in a soil by ignitionQUESTIONSa) Label the apparatus (2 marks) i) …………………………………….. ii) ……………………………………. iii)…………………………………….. iv) ……………………………………. b) Outline the steps followed in carrying out the illustrated experiment. (3 marks) ………………………………………………………………………………………………… ANSWERSa)
b) Steps followed in carrying out
Study the illustration below and answer the questions underneathQUESTIONSa) Identify the above illustrations (1 mark) i) ……………… ii)………………… b) Name the parts labelled a,b,c and d (2 marks) a) …………… c) ………………… b)………… d)………………… c) Name two other methods of vegetative propagation in each case give an example of a crop propagated using the method. (2 marks) ………………………………… ANSWERSa)
i) Aerial layering ii) T – budding b) i) Rooting medium ii) Adventitious roots iii) Lateral bud iv) Node Advantages of organic mulch
Reasons why a farmer should diversify his farm enterprises
Rogueing is uprooting and destroying of affected crop parts Detailed Answer: Rogueing in Crop Production
Rogueing is a common practice in crop production that involves the removal of diseased, infected, or undesirable plants from a field or crop. It is an important method used to maintain the quality and health of crops, ensuring higher yields and minimizing the spread of diseases. Here is a detailed explanation of rogueing and its significance in crop production: Rogueing is typically carried out by trained personnel who visually inspect the crops in the field for any plants that exhibit symptoms of disease, pests, or other undesirable characteristics. These can include plants with obvious signs of infection, such as discoloration, deformities, or lesions, as well as weeds or plants with poor vigor. The identified plants are then uprooted and removed from the field to prevent further spread of the harmful agents or traits they possess. The primary objective of rogueing is disease control. By removing infected or diseased plants from the field, the spread of pathogens is minimized, reducing the risk of an outbreak and protecting the healthy plants from contamination. This practice is particularly crucial for diseases that can spread rapidly, such as viral or fungal infections, which can devastate entire crops if left uncontrolled. Rogueing helps to contain the disease in the early stages, preventing it from spreading to neighboring plants and reducing the overall impact on the crop. In addition to disease control, rogueing also plays a vital role in maintaining the quality and uniformity of crops. By removing plants with poor vigor, deformities, or unwanted traits, growers can improve the overall appearance and marketability of their produce. This is especially important in crops that require uniformity, such as fruits, vegetables, and ornamental plants, where the presence of undesirable plants can affect the aesthetic appeal and market value. Rogueing is typically done manually, although in some cases, mechanical methods or herbicides may be used to remove unwanted plants. However, manual rogueing allows for a more thorough inspection and selective removal of plants, ensuring that only the targeted plants are eliminated. In conclusion, rogueing is a practice in crop production that involves the removal of diseased, infected, or undesirable plants from a field or crop. It is an effective method for disease control, maintaining crop quality, and ensuring uniformity. By promptly identifying and removing problematic plants, growers can safeguard their crops, maximize yields, and produce high-quality produce.
Detailed Answer: Distinguishing Between a Dam and a Weir
Dams and weirs are two types of hydraulic structures commonly used in water management and engineering. While they both serve the purpose of controlling water flow, there are distinct differences between the two. Here's how a dam and a weir can be distinguished:
Diseases of Maize: Common Fungal and Viral Infections Affecting Corn Crops
Detailed Answer: Diseases of Maize
Maize, also known as corn, is a widely cultivated cereal crop that is susceptible to various diseases. These diseases can significantly impact the yield and quality of maize crops. Here are some common diseases of maize:
The Impact of Plant Diseases on Crop Production: Reduced Yields, Poor Quality, and Increased Costs
Detailed Answer: Effects of Plant Diseases on Crop Production
Plant diseases can have detrimental effects on crop production, leading to reduced yields, poor crop quality, and economic losses for farmers. These diseases can affect various parts of the plant, including leaves, stems, roots, and fruits. Here are some of the effects that plant diseases can have on crop production:
Reasons for using certified seeds for planting
Deficiency symptoms in crop production
|
Archives
December 2023
Categories
All
LATEST POSTS |
Can't find what you are looking for? Don't worry, Use the Search Box Below.
Primary Resources
College Resources
|
Secondary Resources
|
Contact Us
Manyam Franchise
P.O Box 1189 - 40200 Kisii Tel: 0728 450 424 Tel: 0738 619 279 E-mail - sales@manyamfranchise.com |