There are various management practices done to the crops to ensure a healthy crop outcome and high
production in terms of quantitative harvest.
The various management practices are:
a) Topdressing: This is the done by application of a topdressing fertilizer, particularly nitrogenous
fertilizers in closely sown crops like paddy and wheat, with the objective of supplying nitrogen
in readily available form to growing plants. The type of fertilizers used in topdressing are:
Calcium Ammonium Nitrate
NPK 17:17:17
NPK 19:19:19
Ammonium Sulphate
Potassium Nitrate
Potassium Sulphate
Magnesium Nitrate
Magnesium Sulphate
Urea
Urea Phosphate
Monopotassium Phosphate (MKP)
Monoammonium Phosphate (MAP)
Calcium Nitrate
In order to determine the amount of fertilizer to apply in a given block, a soil sample is randomly
taken and submitted to hired laboratory institutions for soil analysis.
b) Weeding: This is done by either hand weeding or the use of chemicals. It is done in order to
control weeds since;
Weeds compete for nutrients with the crops reducing in the crop yield.
Weeds increase the cost of cultivation especially when they are fully developed.
They reduce the quality of crop yields.
They harbor pests and disease pathogens.
They block irrigation and drainage channels.
Some weeds produce phytotoxic secretions that are harmful to crops.
Weeds are a nuisance and make other farm operations inefficient.
c) Gapping: This is an activity done to replace ungerminated seeds immediately after germination
is complete. This is done in order to ensure uniform growth as well as achieve a great crop
yield.
d) Thinning: This is an activity that involves removal of excess seedlings in order to get the desired
number of seedlings per hole, it is important since it discourages competition of nutrients and
also ensures an even crop stand.