NATIONAL OPEN UNIVERSITY OF NIGERIA

UNIVERSITY VILLAGE, PLOT 91, CASDASTRAL ZONE, NNAMDI AZIKIWE EXPRESS WAY, JABI, ABUJA.
FACULTY OF AGRICULTURAL SCIENCE
MARCH/APRIL 2015 EXAMINATION

COURSE CODE:                                          ACP 301

COURSE TITLE:                                         ARABLE CROP PRODUCTION

TIME:                                                            2 HOURS

ATTEMPT ANY FOUR QUESTIONS

Question 1.   -------- (15 Marks)  a)     Describe annual crops according to                                                                                                                                             

(i) Longevity/life span (ii) Growth pattern/ crop architecture                                                          

(b)  List the classification of crops according to uses. (c) Use Scientific names only to list at least any two crops that can be propagated using (i) sexual and (ii) a-sexual methods.

Question Two -------- (15 Marks)

a) List any two annual (using botanical names only) crops in each category of uses.

b) List any two crops in the category of (i) annual (ii) bi-annual crops

c) Write short note on the following

1. Sexual reproduction
2. Asexual reproduction

Question Three -------- (15 Marks)

1. List any five climatic factors to be considered  in setting up a farm
2. List any five soil factors to be considered  in setting up a farm
3. Explain the benefits derivable from land preparation

Question four.  -------- (15 Marks)

 Write a short note on each of the following

 i) Weeding. ii)   Mulching iii) Thinning iv) Supplying v) Pruning vi)   Staking vii) Any 2 groups of organisms causing plant diseases or reduction in crop yield

Question five -------- (15 Marks)

1. List any four mineral fertilisers used in the production of arable crop.---- 4 marks

         b)  List the elements found in fertiliser---- 7 marks

    c) Describe four methods of fertiliser application---- 4marks

Question six -------- (15 Marks)

1. Describe:

1. harvesting ------ 3 marks

ii)  Four tools for harvesting---- 4 marks

2.  List of four:

1.  harvest indices---- 4 marks

2. primary processing methods---- 4 marks