Brinjal
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Soil
The ideal soils should be a deep, fertile and well drained. Light soils are good for a healthy crop but heavy soils are suited for higher yields. The preferable pH range is 5.5-6.8. If the soil is acidic (pH <5.0), liming is advocated.
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Climate Requirement
Brinjal is warm season crop and susceptible to severe frost. It adapted a wide range of climatic conditions. It requires a long warm growing season for its successful cultivation It can tolerate drought and excessive rainfall. Brinjal can be grown on a wide range of soils from light sandy to heavy clay.
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Uses
It is most commonly grown vegetable in India and almost available throughout the year. It is rich in minerals is Ca, Mg, P, K and Fe. It is also a good source of vitamins particularly B group. Brinjal is valued for its tender unripe fruits used as a cooked vegetable. White brinjal is said to be good for diabetic patients. It is also used in pickle making and dehydration industry. Frut is employed as a cure for toothache. Excellent remedy those suffering from liver complaints.
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Nursery raising
Brinjal is a transplanted crop. Brinjal nursery should be raised in low cost polyhouse. These protective structures provide ideal condition for raising of seedlings. A net area of about 225 m2 is required to raise the seedlings for one hectare land. Generally, the nursery beds are prepared in the size of 3m x 1m x 15cm. For raising healthy nursery, well decomposed FYM @ 3 kg/m2 area is mixed. Seeds are sown 4 to 5 days after removal of polythene sheets. Normally 400-500 g/ha seeds for open pollinated and 200-250 g/ha seeds for hybrids are required. Seed should be shown in February-March, June-July and September-Octoberr. In hills seed is sown in April-May and the seedlins transplanted in May-June. In line sowing 6-8 cm distance is kept between the rows. Line sowing facilitates less incidence of damping off disease as compared to broadcast method. The seedlings are ready for transplanting between 4-5 weeks after sowing. Regular weeding is important to get healthy seedling. The seedlings should be hardened before transplanted in the main field.
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Manures & Fertilizers
Brinjal being long duration crop needs a judicious application of manures and fertilizers. Brinjal responds very well to added nutrients in soil. In general 15-20 tones FYM and 100:60: 60 kg NPK/ha has been recommended for various brinjal varieties. For hybrid varieties 15-20 tones FYM and 150:90: 90 kg NPK/ha should be applied. Half dose of N, entire dose of P and K should be applied as basal dose. Remaining half dose of N is given in 2 split doses, 30 and 60 days after sowing.
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Intercultural Operation
Brinjal is a shallow rooted crop it needs frequent irrigation. The crop is irrigated at 6 -7 day interval during summer season 12-15 days during winter season. However during rainy season, irrigation is not needed. Three to four hoeing and weeding are normally needed for an effective control of weeds, proper aeration and growth of the plants.
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Harvesting
Fruits are harvested when they have developed a good colour and marketable size, are still immature. Fruits are harvested with stalk at joint where they are attached to the branch. Care is taken in avoiding injury to the branch. Fruits should be harvester in the after noon to avoid sun scalding. Timely harvesting of tender fruits increases the total growing period and yield. Open pollinated variety gives yield 300-400 q/ha and hybrids gives yield 600-800 q/ha.