Some crops are not amenable to mass production of hybrid seeds for commercial use. The degree of sophistication and technology depends on local climatic conditions and the socio-economic environment. Our research group has experimented with many forms of hydroponics but have found this floating system to be the most robust and forgiving of the available systems. K. Kayalvizhi, 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. The book covers both theoretical and analytical concepts. Introduction • Lettuce (Lactuca sativa L.) a member of family Asteraceae is one of the important salad crop. Production and seed production of temperate and exotic . VSF-231 Credit hours: 2+1=3 Name ... 10 Rare vegetables- asparagus, lettuce, parsley, celery. 3. The analytical concepts are introduced beginning from the fundamentals for easy comprehension. b. It is mostly grown for leaves purpose but sometime it is cultivated for seed and stem purpose. LEAF LETTUCE This production summary provides an overview of leaf lettuce growing, harvesting, and post harvesting practices. Ooty Farms and Orchards joined the McDonald’s family and became one of the three suppliers of Iceberg lettuce to McDonald’s India. 4.1. 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). Although this study could be integrated with rural and industrial sociology, it addresses a number of issues neglected by both fields. However, this system is sensitive to excessive heat and care must be taken to regulate the temperature [31]. 10 (2020): October, Drought and Salinity Stress Response in Flower Crops, Biotica Research Today: Vol. Aquaponics production is emerging as an alternative for effluent treatment and aquaculture diversification. Lettuce crop is very sensitive to acidic nature, so avoid growing lettuce in high acidic soils. LEAF LETTUCE This production summary provides an overview of leaf lettuce growing, harvesting, and post harvesting practices. 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). Also, aquaponics contributes to save water and for the maximum utilization of nutrients and culture areas. It is most often grown as a leaf vegetable, but sometimes for its stem and seeds. R. Swarna Priya, M. Kavitha, The objective of this research was c. How much time do you have to devote to the farm? Soil Requirement of Lettuce Cultivation:- Lettuce can be cultivated in wide variety of soils. It is also called as Salad crops as it is consumed in uncooked form. are some common practices that many large commercial growers use when producing leaf lettuce, and though there are At 70 to 800F, the plants flower and produce seed. local production of head lettuce as well as employment to the proprieters. A. D. Ashok, The degree of sophistication and technology depends on local climatic conditions and the socio-economic environment. 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. Soils which crust badly are less suitable, particularly when the crop is direct-seeded. This technology is designed to minimize water consumption. Phase IV. K. Kayalvizhi, K. Divya, Plant Density to ensure continual production of the desired yield to meet processing contracts. Plant Production and Protection Officer Subregional Office for the Caribbean . greenhouse lettuce production remains the Nutrient Film Technique (NFT). However, in recent years in view of the globalization of international market and PDF | On Jul 10, 2007, David W. Still published Lettuce | Find, read and cite all the research you need on ResearchGate . To develop a vertical hydroponic system for lettuce production which would be suitable for use by small-scale farmers.!!! Production in hydroponic systems started with 4-week old lettuce seedlings grown in rockwool cubes (2.5 cm * 2.5 cm * 3.0 cm deep). Lettuce is now one of the world’s most important salad crops and is grown worldwide. • Soils and Fertilizers The crop does best on fertile, high organic matter soils that have good water-holding capacity. of Horticulture, Institute of Agriculture, Kumulur, Tamil Nadu (621 712), India, Published as an official organ by BIOTICA in association with SOCIETY FOR BIOTIC AND ENVIRONMENTAL RESEARCH (SBER). Off-season vegetable production is another area which has been commercially exploited on large scale under mid-hill conditions of Rajouri, Reasi, Poonch, Doda, Kishtwar, Ramban and parts of Kathua and Udhampur districts. B. K. Savitha. 2 No. Since lettuce is very low in calories, it has been effective when consumed as a diet food. Biotica Research Today. Course title: Production Technology of Vegetables and Flowers Course No. What is best suited for your site? 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