Description
Lettuce – Grower’s Guide
Season
Can grow all year, Best in winter, like low temperature.
Soil
Loam, clay loam, good irrigation pH 5.5 -6.8. To plough the soil with dry sun 7-10 days To plough the soil deep 20-25 cm. Additional manure or organic fertilizer rate 0.5-1.0 ton/rai fertilizer 15-15-15 or 13-13-21 rate 25-30 Kg./rai soil to cover up plot wide 100 cm. high 25-30 cm. / plot
Agriculture
Sown by seed when plant 10-15days selection space transplant space 20-30 cm. 2 row / plot. Stock 20-25 days.
Fertilizer
1. With plough formula 15-15-15 or 13-13-21 rate 25-30 Kg./rai
2. After planted 7-10 days formula 21-0-0 or 46-0-0 rate 25-30 Kg./rai
3. After planted 20-25days formula 21-0-0 or 46-0-0 rate 25-30 Kg./rai
Disease Important
Leaf Spot, Foot and Root rot.
Insect Important: worm, aphid
Maturity
40-50 days
LETTUCE FACTS: For successful cultivation lettuce requires ample water, especially in warmer weather. During unseasonable weather, protection is furnished and growth stimulated with greenhouses, frames, cloches, or polyethylene covers. In many parts of the world the leaf and butter-head types are most popular.
They are not suitable for shipping, so they are usually grown on truck farms or market gardens relatively close to markets. The crisp-headvarieties, well adapted for long-distance shipment, are dominant in the U.S., where over five-sixths of the acreage is located in California and Arizona. In Great Britain cabbage andcos types dominate. Although most commonly consumed in salads, lettuce may also be served as a cooked vegetable.
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