Special cultural management

1. Discuss the principle/s behind the following special cultural management practices employed in
selected crop species: (20 points)
a. Raising of ducks in irrigated rice fields
b. Pruning in mango
c. Removal of lateral shoots in tomato
d. Fruit bagging in cucurbits
e. De-suckering in abaca
f. Rouging in banana
g. Spraying of potassium nitrate in mango
h. Girdling in mango
i. Putting metal trunk banding or plastic sheets around the coconut palm trunk
j. Light trapping in rice
2. Why are these “special practices” noted as special? (5 points)