CSC 321: Arable Crop Production Past Questions
UNIVERSITY OF NIGERIA NSUKKA
FACULTY OF AGRICULTURE
DEPARTMENT OF CROP SCIENCE
SESSION: 2013/2014
CSC 321: ARABLE CROP PRODUCTION
1) What is the name of the body cavity of an insect?
2) The two short sections of an insect leg closely attached to the insect body are called (a) ________________and (b) __________________
3) Supply insect examples of the following insect orders
S/NO Order Insect Example
- Orrthoptera
- hemiptera
- Coleopteran
- Lepidoptera
4) What is the full meaning of the following acronyms with respect to crop protection:
- i)DDT
- ii)IPM
5) Give an example of an insect pest species of Cola nut tree (Cola spp)
6) Complete the table below by supplying an insect species example of the following insect families in the order Coleoptera:
S/NO Family Insect Species (Scientific name)
- Bruchidae
- Chrysomelidae
- Curculioniae
- Dermestidae
7) List two biological characteristics that could be used to distinguish weevils from beetles.
8) In not more than 10 words each, explain what you understand by the following:
- Dermal toxicity,
- Classical biological control method, and
- Pleuron
9) Outline any five natural methods of plant disease transmission
10) List any five inanimate agents that could cause plant disease
11) Enumerate any five animate agents that could cause plant disease
12) The four necessary conditions for a plant disease to occur are (a) _______ (b) _____ (c) _______ and d) ______
13) Plant disease is always followed by disease symptom expression (True or False)
UNIVERSITY OF NIGERIA NSUKKA
FACULTY OF AGRICULTURE
DEPARTMENT OF CROP SCIENCE
SESSION: 2012/2013
CSC 321: ARABLE CROP PRODUCTION
1 (a) State one major difference between organic and inorganic manures.
- (b) Define fertilizer grade
- if Sulphate of Ammonia has 21% of the active ingredient (i) Calculate the amount of sulphate of ammonia that will supply 63kg of the active ingredient
- Write the name of the active ingredient
- State two reasons for parboiling rice before milling
- If a cassava farm has many plants showing the “candle stick appearance”
- which pest would you suggest that is attacking such a farm?
- List three control measures you would adopt to deal with the situation
- State one reason why yam is a stem tuber
- Briefly discuss yam production under the following headings:
- cultivated species (ii) planting materials (iii) Land preparation (iv) staking
- a. if maize is planted on 1st March 2013, state the right date that the first dose of NPK fertilizer will be applied.
- Discuss two important field pests and one major storage pest of maize under the following headings: (i) Name of pest (ii) Damage caused (iii) Control measures
- List four storage facilities for maize grains.
- Discuss ginger (Zingiher officinale Roscoe) products under the following headings:
(i) Climate requirements (ii) propagation (iii) fertilization (iv) weeding (v) Harvesting (vi) Processing (vii) Storage (viii) utilization
15. As an agronomist, estimate the total quantity of seeds in kg that will be used to plant the following hectarages given that 1kg contains 1000 seeds (making an allowance of 5% for damage due to drought).
- 15½ hectares of maize (Zea Mays L) at a plant spacing of 75cm x 25cm
- 10½ hectares of sorghum (Sorghum vulgare L Moench) at a plant spacing of 60cm x 25cm.
- 45 hectares of cowpea (Vigna Unguiculata L Walp) at a plant spacing of 30cm x 30cm
- 60 hectares of groundnut (Arachis hypogaea L) at a plant spacing of 20 cm x 20cm
16. Enumerate the features that enable sorghum to be drought tolerant
17. Explain the reasons why sowing sorghum on ridges is preferred in the tropics.
18. Mention five diseases of sorghum, their symptoms, and control
19. Write short notes: (i.) Ginning (ii) Pegging (iii) topping and suckering (iv) Alley cropping (v) Primary tillage implements
UNIVERSITY OF NIGERIA NSUKKA
FACULTY OF AGRICULTURE
DEPARTMENT OF CROP SCIENCE
SESSION: 2011/2012
CSC 321: ARABLE CROP PRODUCTION
Instruction: Answer question one and any other 4 questions
- (a) Define intercropping (b). State 5 advantages of intercropping
- List two primary tillage implements and state their uses in land preparation for arable crop production
- How will you amend an arable land that has low pH?
- List 5 causes of soil acidity
- If a farmer is to apple 120kg N/ha, what quantity of urea does the farmer require for 2 hectares?
- Briefly describe with diagrams the three staking methods for ware yam production
- State two reasons why a yam farm should be kept weed free.
- State the step-by-step procedure of producing cassava stems for cassava farmers.
- Given the production rate of primegram as 5L/ha, the delivery rate of 250L/ha of the chemical solution, and a CP30 knapsack sprayer, calculate the amount of chemical that will be mixed with the 30 liters of water in the knapsack sprayer.
- If you are to grow cassava in a mealybug endemic area, state three precautionary measures you would adopt to prevent the attack of the pest on your farm.
- List five cereals you have studied (state both the common and botanical names)
- Discuss rice production under the following headings:
- Water requirements ii. land preparation iii. Planting methods iv. Weeding
13. Why do you consider parboiling important during the processing of paddy?
14. (a) Calculate the quantity of seeds in kilogrammes required to plan 2½ hectares of land at the following spacing: i. 25cm x 75cm ii. 50cm x 50cm iii. 50cm x 100cm (Note that one seed is planted per point and 5000 seeds weigh, 1 kilogarmme)
15. Why is fertilizer applied to maize as early as two weeks after planting?
16. List the distinct characteristics of Legumes, fiber, spices, and drug crops you studied.
17. Name at least two members of each group stating the families and the botanical name.
18. Discuss in detail the following with respect to tobacco production: i) Climatic and soil requirements ii. Nursery practices iii) Transplanting iv) Fertilization v) Topping and Suckering vi) Curing
19. Write short notes on the following: i) Pegging in groundnut ii) Advantages of farm mechanization iii) Characteristics of grade A cotton iv) African rice gall midge vi) Taro lead blight
UNIVERSITY OF NIGERIA NSUKKA
FACULTY OF AGRICULTURE
DEPARTMENT OF CROP SCIENCE
SESSION: 2010/2011
CSC 321: ARABLE CROP PRODUCTION
- Gramineae
- Leguminoseae
- ioscoreaceae
- Malvaceae
- Solanaceae
- Crop and weed
- Mixed farming and mixed cropping
- Turning and supplying
- Arable crop and plantation crop
- Organic fertilizer and inorganic fertilizer
- Importance of Maize in Tropical Africa
- Factors that enable sorghum to be drought tolerant
- Parboiling in rice
- Fertilization in barley
- Pegging and weed control in groundnut
- Fertilizer use in soyabean production
- Control of storage pests in cowpea
- Harvesting of groundnuts
- Methods of planting
- Types of planting material
- Methods of staking
- Wed control
- Harvesting
- Storage
- Nursery
- Field establishment
- What were the inter and intra-raw spacing used in your plant
- With the plant spacing staled in 1(b) above calculate the plant population
- Two seeds per hole and (ii) one seed per hole
- Given a recommended manure rate of 10 metric tons per hectare calculate the amount (e) (i) At what stage of the fieldwork did you apply the manure (ii) state two reasons for applying the manure at that stage.
