Agricultural economics.answer all.

10. A ration containing 18% protein is to be made from maize and sunflower cake. Given that maize contains 7% protein, and sunflower seed cake 34% protein. Use Pearson square method to calculate the value of feedstuffs to be used to prepare 100kgs of the feed ii) A part from Pearson square method, name two other methods that can be used to formulate feed ration AGRICULTURE ECONOMICS (BASIC CONCEPTS AND FARM RECORDS) This topic entails the following Definition of scarcity, preference and classic, opportunity cot as used in agriculture production. Uses of farm records Types of farm records i.e production records, filed operation records, breeding records, feeding records, health, labour records and master roll. The following relevant questions and their answers in this topic will greatly help and motivate the user comprehend and understand the concepts and practices. 1. (a) What are the uses of farm records to a farmer? Identify the farm record below and the questions that follow: Date Disease Animals Drug used Cost of Remarks symptoms affected treatment (a)Identity of the record (b) State two different information that should be entered in the remarks column (c) Give two importance of keeping the farm record illustrated above State four uses of farm records State four uses of farm records Outline two ways the level of education and technology influence the efficiency of agricultural production 6. Study the illustration below of farm records:- Use it to answer the questions that follow: Enterprise Month Name DAYS IN MONTH of cow 3 6 AM PM AM PM AM PM AM PM AM PM AM PM (a) Name the type of the farm record illustrated above (b) Give three reasons for keeping health records in a livestock production (c) Give three pieces of information a dairy farm manager should collect for planning purposes List down four pieces of information recorded in a field operation record. List two events occur during induction stroke in a four stroke engine Give two conditions under which a farmer may prefer the use of donkey trailed cart instead of a tractor drawn trailer in his farmState two reasons for seed treatment of tree species before planting Give three factors that determine spacing of beans State four reasons for using certified seeds for planting Below are diagrams showing vegetative material used for propagation. a) Name the propagation materials A, B, C, D b) What is the term used for inducing B to start germinating? c) State four advantages of vegetative propagation on crop production Differentiate between hybrid and composite a) A farmer planted 100 maize seeds and 90 seeds germinated. Calculate the germination percentage b) Given that maize is planted at a spacing of 75cm by 25cm, calculate the plant population in a plot measuring 4m by 3m 7. Give four qualities of a mother plant which should be considered when selecting vegetative material for propagation Explain five practices that a farmer should carry out to ensure uniform germination of seeds State two factors which determine the depth of planting 10 . State two advantages of adding organic matter to sandy soil 11. Calculate the number of tea plants in two hectares (2ha) given that the spacing is 150cm x 75cm and one seedling is planted per hole 12. Outline four reasons why training is important in some crops 13. Give four factors that influence the depth of planting 14. Two precautions taken when harvesting cotton 15. Outline four reasons why training is important in some crops 16. Give four factors that influence the depth of planting 17. Two precautions taken when harvesting 18. State four factors that determine the spacing of annual crops 19. Outline four advantages of rolling in seedbed preparation 20. List two factors that effect rooting of cuttings in crop production 21. Outline three ways of preparing materials before sowing 22. Outline three ways of preparing materials before sowing 23. Distinguish between over sowing and under sowing 24. Study the illustration below of a tea vegetative material and answer the questions that follow Mocks Topical Analysis eequationgroup.com 13 a) What name is given to the vegetative material drawn above for tea propagation b) State two devisable characteristics of the selected plants used to develop the plant shown c) Give two precautions observed during the preparation of the material above before plantingState two reasons for seed treatment of tree species before planting Give three factors that determine spacing of beans State four reasons for using certified seeds for planting Below are diagrams showing vegetative material used for propagation. a) Name the propagation materials A, B, C, D b) What is the term used for inducing B to start germinating? c) State four advantages of vegetative propagation on crop production A U Differentiate between hybrid and composite a) A farmer planted 100 maize seeds and 90 seeds germinated. Calculate the germination percentage b) Given that maize is planted at a spacing of 75cm by 25cm, calculate the plant population in a plot measuring 4m by 3m 7. Give four qualities of a mother plant which should be considered when selecting vegetative material for propagation 8. Explain five practices that a farmer should carry out to ensure uniform germination of seeds 9. State two factors which determine the depth of planting 10 . State two advantages of adding organic matter to sandy soil 1 1. Calculate the number of tea plants in two hectares (2ha) given that the spacing is 150cm x 75cm and one seedling is planted per hole 12. Outline four reasons why training is important in some crops 13. Give four factors that influence the depth of planting 14. Two precautions taken when harvesting cotton 15. Outline four reasons why training is important in some crops 16. Give four factors that influence the depth of planting 17. Two precautions taken when harvesting cotton 18. State four factors that determine the spacing of annual crops 19. Outline four advantages of rolling in seedbed preparation 20. List two factors that effect rooting of cuttings in crop production 21. Outline three ways of preparing materials before sowing 22. Outline three ways of preparing materials before sowing 23. Distinguish between over sowing and under sowing 24. Study the illustration below of a tea vegetative material and answer the questions that follow Mocks Topical Analysis eeducationgroup.com 13 a) What name is given to the vegetative material drawn above for tea propagation b) State two devisable characteristics of the selected plants used to develop the plant shown c) Give two precautions observed during the preparation of the material above before planting 25. The diagram below illustrates the spacing which is used when planting beans. Study the diagram and answer the questions that follow: 30cm O 15cm O O O O O O a) State the spacing illustrated above b) Suppose the student is asked to use the illustrated spacing to plant in a plot 4m by 3m leaving 30cm distance from the edge; calculate; i) The number of rows on the wider side of the plot ii) Calculate the plant populationGive two factors which characterize intensive farming State three reasons why organic farming is encouraged in farming State two ways in which agriculture contributes to industrial development State four ways by which wind affects the growth of crops State one physical characteristic used in classifying soil Outline four advantages of organic farming State two conditions under which shifting cultivation is practiced Differentiate between the following terms as used in Agriculture:- (a) Oleculture and floriculture (b) Apiculture and aquaculture FACTORS WHICH INFLUENCE AGRICULTURE In this topic, the following factors influence agriculture. Human factors e.g. -level of education, -Health HIV/AIDS, -Economic status of the farmer e.t.c - Biotic factors e.g. pests, parasites, decomposers, pathogens, pollinators, predators e.t.c. - Climatic factors e.g. rainfall, temperature, wind and relative humidity, light - Edaplus factors e.g. type of soils, soil profile, soil structure, soil texture, soil chemical properties. The following relevant questions and their answers in this topic will greatly help and motivate the user to comprehend and understand the required concepts: State two roles of humus in the soil that are beneficial to crops a) outline five activities that may be undertaken in organic farming List four effects of temperature on crop growth State four ways by which wind affects the growth of crops Name two factors related to light that affect crop production and distribution in Kenya Describe the environmental conditions that may lead to low crop yields List three environmental factors that affect crop distribution in Kenya State one physical characteristic used in classifying soil Outline four advantages of organic farming 10. The diagrams below show an experiment carried out by a form 1 class. Study them carefully and answer questions that follow: E Muslin bag containing fresh Rubber cork Muslin bag soils containing strong String heated garden Soil Curitial nash Moc Lime water (a) What was the aim of the experiment? (b) What was the observation that form 1 students made at the end of the experiment in flasks D and E? (c) Give the reason for the observation made in flask D 12. Briefly explain how sub-soil as a horizon in a soil profile can affect soil productivity 13. (a) What are the three aspects of light that are important to a farmer? (b) Mention three ways through which relative humidity affect crop production 14 The diagram labeled E and F below illustrates some type of soil structure. Study the diagrams carefully and answer the questions that follow: 8 8 .8 E (a) Identify the types of soil structure illustrated in diagrams E and F (b) Identify the parts labeled (i) and (ii) in diagram F (c) Outline the influence of physical characteristics of soil on its properties 15. State three physical characteristics of soil 16. Study the diagram below and answer the questions that follow Transitional zone B C