Onion (Allium cepa L.)
Land Preparation
Nursery preparation
- Plough the land thoroughly, incorporate FYM @ 20 t/ha.
- Liming should be done so as to maintain a pH range of 5.8- 6.5.
- Seedlings can be transplanted in flat beds at the rate of one seedling per hill.
- A spacing of 15 – 20 cm between rows and 10 cm between plants should be given.
Transplanting
- The nursery should be raised in a rain shelter.
- Seeds can be sown in nursery beds or pro-trays during September.
- Incorporate well rotten compost mixed with Trichoderma in the nursery beds.
- Six to eight week old seedlings having 0.6 - 0.8 cm collar girth can be transplanted to the main field during October – November.
- About 1500 – 2000 seedlings will be required to plant one cent (40 m2) area in the main field.
- Planting on ridges or raised beds can also be adopted to ensure good drainage.
- Gap filling if necessary may be done at 10-15 days after planting.