NATIONAL OPEN UNIVERSITY OF NIGERIA

UNIVERSITY VILLAGE, PLOT 91, CASDASTRAL ZONE, NNAMDI AZIKIWE EXPRESS WAY, JABI, ABUJA.
FACULTY OF AGRICULTURAL SCIENCE
JANUARY/FEBRUARY 2013 EXAMINATION

(TREE CROPS) AEM 713

*2 credit course

*Answer 4 Questions out of 6

*Each Questions weighs 15 marks                      Time Allowed: 2Hours

*Total marks obtainable is 60 marks

Q1a.     Identify any five tree crops using both their common and botanical names

b.         Briefly describe the site selection proceedure for the establishment of a plantation of tree

Q2.     Write a short descriptive note on each of the listed management practices in tree crop production.

Q3.      Discuss the importance of climatic  elements in the choice of site for the establishment of tree crop plantation.

Q4a     List  the 3 methods of fertilizer application in tree crop plantation.

b.         List any 2 syptoms of N and K

c.          List any four micro nutrients used in tree crop production

Q5.      Discuss the development and control of any of the two listed diseases of cocoa.

i)          Swollen shoot

(ii)        Phytophtora disease.

Q6a     List five specific economic importance of tree crops.

b          List any 3 tools used in the harvesting of tree crops

c        Briefly describe the harvesting of oil palm fruit.