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Acid Lime Crop Botanical Name -Citrus aurantifolia Family – Rutaceae Varieties PKM 1, VRM 1 , Tahithi lime, Balaji (Tenali), Vikram, Rasraj, NRCC -7, NRCC -8 , Phule Sharbathi Soil and Climate Soil – • Citrus can grow in all types of soils. • Light Soils having good drainage are suitable for its cultivation. • pH range of soil should be 5.5-7.5. • They can also grow in slightly alkaline and acidic soils. • Light loam well drained soils are best for citrus cultivation. • A high water table for permanent or fluctuating nature and low lying locations are unsuitable. Climate – The crop can be cultivated in both Tropical and subtropical climate Season December – February June – September Propagation • Budded plants on Rough lemon or Rangpur lime rootstocks are good. • Since seeds are highly poly-embryonic and seedlings are true to type, propagation by seeds is also recommended. • Layering is adopted for VRM 1 Tahithi lime. Planting • Land should be ploughed, cross ploughed and leveled properly. • Planting is done on terraces against slopes in hilly areas. • High density planting is also possible in such areas. Spacing – • Healthy seedlings are planted during June to December at 6 x 6 m spacing in 75 cm x 75 cm x 75 cm pits. Irrigation Schedule • Young plants need regular watering during post-monsoon period at an interval of 8-10 days and at 5-7 days during summer months. • Water is applied around the periphery of the tree in a ring and basin system (double ring) so that tree trunk should not come in direct contact with water. • Avoid water stagnation. Adopt drip system for new plantations. Manures and Fertilizers per plant Fertilizer requirement Age of crop (Year) Well decomposed cow dung (kg/tree) Urea (gm/tree) First to three year 5-20 100-300 Four to Six 25-50 400-500 Seven to Nine 60-90 600-800 Ten and above 100 800-1600 Nutrient requirement • 1-3 year old crop – cow dung @ 5-20 kg per Tree and Urea @100-300 gm per Tree. • 4-6 year old crop – cow dung @25-50 kg and Urea @100-300 gm per Tree. • 7-9 year old crop, apply Urea @ 600-800 gm per tree and cowdung @ 60-90 kg per Tree. • 10 year old or above, apply cowdung @100 kg or Urea @ 800-1600 gm per tree. • Apply whole amount of cow dung during December month • whereas apply Urea in two parts, apply first of Urea in February, and second dose in April-May month. • At time of applying first dose of Urea, apply whole dose of SSP fertilizer. • If fruit drop is observed, to control excessive fruit drop, take spray of 2,4-D @10 gm in 100Ltr of water. • Take first spray in March end, then in April end. Repeat the spray in August and September end. • If cotton is planted in nearby field of citrus, avoid spraying of 2,4-D, instead take spray of GA3. After Cultivation • Remove branches of main stem up to 45 cm from ground level. • Periodical removal of dried twigs along with one inch length of basal green wood and destroying them by burning should be done. • Spray Zinc sulphate Read less