Cardamom (Elettaria cardamomum)
Cultural operations
- A regular schedule of cultural practices consisting of weeding, mulching, trashing, shade regulation, fertilizer application, irrigation, etc. will have to be undertaken.
- Sufficient mulch should be applied at the base of the plant during December to reduce the ill effects of drought during summer months and to conserve soil moisture.
- Sickle weeding is essential which has to be carried out frequently depending upon the intensity of weeds.
- Forking is necessary in hard soils, which is to be carried out in October- November.
- Trashing (removal of old and dried shoots, leaves and dried panicles) should be taken up once in a year during June-July, with the commencement of monsoon.
- This will help to prevent the spread of diseases and expose the panicles to easy visit by honeybees.
- Soil conservation measures, maintenance of drainage channels and such other operations may be taken up promptly.
Shade
- Since inadequate as well as excessive levels of shade are harmful to the crop, regulation of shade is inevitable.
- There should be sufficient shade to protect cardamom plant during the hot season.
- By regulating the shade before the monsoon, more light becomes available to the plant during the rainy season.
- Red cedar or chandana-vempu (Toona ciliata) is an ideal shade tree.
- It sheds the leaves during rainy season and thus provides natural shade regulation.
- Some of the other ideal shade trees are kurangatti (Acrocarpus fraxinifolius), vellakil (Dysoxylum malabaricum) and thelli (Canarium strictum).
Bee-keeping for better pollination
- The main pollination agent in cardamom is honeybee (Apis cerana indica).
- Maintaining four bee colonies per hectare during the flowering season is recommended for increasing fruit set and production of capsules.