Lettuce is now one of the world’s most important salad crops and is grown worldwide. M. Kavitha, • personal choice – new technology • “food deserts” - fresh locally grown Things to consider before deciding what to grow a. What are your customers looking for? are some common practices that many large commercial growers use when producing leaf lettuce, and though there are variations in these practices, having an understanding of the most common methods used will be helpful when carrying out regulatory activities. tons (56%) About 12 private commercial farms engaged partly on production … India ranks 3rd in commercial production of lettuce, occupying 4% of the World’s total production. Lettuce. Introduction-- Head lettuce is the most important salad vegetable grown in the United States. H�TS�r�0��s�R��^8�Q�JʇT���ĮR<6H��w$� ������=D���4��%x`��. PDF Published 2020-10-29 How to Cite [1] Sankari, A., Divya, K. and Kayalvizhi, K. 2020. Lettuce is an annual plant belongs to the family, Asteraceae. factors affecting the success of lettuce production. CHAPTER 2 LITERA TURE REVIEW 2.1 HYDROPONIC VEGETABLE PRODUCTION 2.1.1 Definition Hydroponics refers to the technology of growing plants in a nutrient solution with or without the use of a substrate (e.g. tons (9.2%) of total crop production - Area of production 356 thousand ha (2.4%) of total cultivated - Total fruit production 351 thousand tons (16%) - Total vegetable production 600 thousand tons (28%) - Total root crops 1.2 mil. Reply . Production Trends The Food and Agriculture (FAO) of the United Nations (UN) estimates that total global commercial production of lettuce was 23.6 million metric tons (mmt) in 2010, harvested from 1.1 million hectares. Optimum germination is at 70 to 75F. 2, 10 (Oct. 2020), 1078-1079. 1 Dr. Akhilesh 12 Importance of ornamental gardens. 11. A. Sankari, 3. It is good source of Vitamin K and chlorophyll. For example, in a survey of 14 low to medium technology growers in the Sydney Basin vegetable production area, 11 did not know the volume of runoff from their crop (Mubiru, 2007). Lettuce crop is very sensitive to acidic nature, so avoid growing lettuce in high acidic soils. Since lettuce is very low in calories, it has been effective when consumed as a diet food. Greenhouse crop production is now a growing reality throughout the world with an estimated 405 000 ha of greenhouses spread over all the continents. The objective of this research was General Introduction Following a systematic approach will help growers identify and manage the risks involved in crop production. At 70 to 800F, the plants flower and produce seed. The two types of lettuce are 1) green salad bowl and 2) gourmet blend mix. Reply. Using aeroponics, the plants are totally suspended in air and can access up to 100 per cent of the available oxygen in the air (Figure 3). This research was conducted in the Colorado State University, Ft. Collins (CSUFC). However, in recent years in view of the globalization of international market and A. Sankari, The detailed cultivation practice of lettuce is discussed in this paper. It is a manual for small-scale farmers, school teachers, children, and urban and it deals with the fundamental concepts of Foundry, Forming and Welding Technologies. • Soils and Fertilizers The crop does best on fertile, high organic matter soils that have good water-holding capacity. In 2011, lettuce was grown on 206,000 acres in California, which represented 73% of Cambridge University Press. From October 2016 this guidance will be upgraded to a Fresh Produce Standards additional bolt on. Farmers-6541.pdf. Lettuce Demsar. Presently, vegetables occupy an area of 9.20 million hectare with annual production of 162.19 million tonnes and average productivity of 17.6 MT/ha. 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