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ROMAINE OR COS - This type of lettuce has a more upright or oval head shape with dark outer leaves with a crispy texture. Considered to be more nutritious than Crisphead lettuce. 3. CULTIVATION PRACTICES. 3.1 SOIL PREPARATION. The soil should be prepared thoroughly and deeply before planting. The soil (if
2. Table of Contents. 1 Preface. 3. 2 Introduction. 4. 3 Feasibility Study. 5. 4 Nutritional Benefit. 7. 5 Types of Lettuce. 8. 6 Land Preparation. 10. 7 Planting and Spacing. 11. 8 Fertilizer Application. 12. 9 Cultural Practices. 13. 10 Pest Control. 14. 11 Disease Control. 15
Unlike head lettuce, leaf lettuce leaves branch from a single stalk in a loose bunch rather than forming a tight head. There are several types of lettuce that will form a tight head if allowed to mature, but when they are harvested before they are completely mature, they are often referred to as leaf lettuce. Familiar examples of.
GrowinG Guide: LeTTuce. Before you PLAnT: choosing your Varieties. Your Tower Garden® can grow most types of lettuce. Leaf lettuce and small to medium head lettuces work best, as some varieties of head lettuce with a stem larger than 1 ?" can be restricted in their development in the Tower. The following varieties
Origin and distribution. Lettuce probably originated from Asia, where it was grown for centuries. Its early forms were used in. Egypt around 4500 B.C. The Romans grew types of lettuce resembling the present romaine cultivars as early as the beginning of the Christian era. The crop was also used in China by the 7th cen-.
Lettuce. Dr. Joe Masabni. Department of Horticulture. Texas AgriLife Extension Service. Varieties. Butterhead/Bibb: Buttercrunch, Ermosa, Esmeralda, Summer Bibb. Crisphead/Iceberg: Classic, Mission, Prizehead. Loose Leaf: Black Seeded Simpson, Brunia Red, Crawford Re-Seeding, Green Ice,. Lolla Rossa, Oakleaf
LETTUCE. INTRODUCTION. Lettuce, Lactuca sativa, belongs to the family Compositae. Other useful members of this family include artichokes, chicory, endive and many ornamentals. It also includes a very wide range of weed species. ENVIRONMENTAL REQUIREMENTS. Climate. Lettuce is a cool-weather annual crop
Most lettuce varieties mature within 30 to 60 days, with leaf lettuces maturing earlier than head types. There are four major categories of lettuce: crisphead, butterhead, cos and loose-leaf. Crisphead lettuce also is commonly referred to as iceberg lettuce.
There are 5 types of lettuce (1) Crisphead (2) butterhead (3) Cos or Romaine (4) loose leaf or bunching and (5) stem lettuce (celtuce).
Types of lettuce. Iceberg, also known as crisphead. It has a round, compact pale-green head and will last for over a week in the refrigerator because it is 90% water. Generally the mildest of the lettuces, iceberg lettuce is valued more for its crunchy texture than for its flavor. It is typically eaten cold and raw in salads
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