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The root and its environment in the nutrient film technique of water culture

, : The root and its environment in the nutrient film technique of water culture. Acta Horticulturae (82): 87-97

In this review, the background to the development of NFT is outlined, the system is described and some comments are offered on its future.

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Related references

Rudd-Jones, D., 1977: Root environment control: nutrient film culture. International Symposium on Controlled Environment Agriculture Proceedings: 16-224

Gilles, G.L.; Bal, E.; Baets, W.; Vanderbruggen, M., 1986: Root diseases (esp. Phytophthora fragariae Hickman) in nutrient film technique (NFT) strawberry culture. Trials emphasized the importance of using clean materials in preventing this disease, and showed Alliette [fosetyl] to be more appropriate for control than Ridomil Combi [metalaxyl + folpet].

Newton, P.; Sahraoui, R.; Sherif, M.A., 1988: The influence of nutrient solution temperature on root growth and nutrient uptake by cucumber, cv. Corona, grown using the nutrient film technique. During the winter months (glasshouse mean air temperature about 20 degrees C and daily visible radiation including supplementary lighting, approximately 150 Joules/cmsuperscript 2 per day), there was an increase in root dry weights, determined 11...

Moorby, H.; Nye, P.H., 1983: A nutrient film technique for the simultaneous measurement of root growth and nutrient uptake. A nutrient film technique was developed to measure simultaneously the root growth and the nutrient uptake of an undisturbed plant. This technique was used to study temp. effects on growth and P uptake/unit length of root using split root systems....

Postma, J.W.M.; Keltjens, W.G., 2001: The use of nutrient-film technique for monitoring Al (Al citrate) effects on root development and nutrient uptake in roots of Triticum aestivum L. A nutrient-film technique was used to study the toxic effect of Al3+ and Al-citrate complexes in a nutrient solution on root elongation, nutrient uptake and dry matter production in wheat (Triticum aestivum). Seedlings were grown under controlled...

Spensley, K.; Winsor, G.W.; Cooper, A.J., 1978: Nutrient film technique - crop culture in flowing nutrient solution. The nutrient film technique (NFT) is described, in which tomatoes, cucumbers and other glasshouse crops have been successfully grown in a series of sloping gullies, with a shallow stream of nutrient solution flowing down the gullies to a catchment...

Yang, W.M.; Chung, S.J.; Yang, S.Y., 1989: Comparative studies of the physioecological and morphological adaptations of greenhouse tomato grown using aeroponics and nutrient film technique. I. Changes in root zone environment and growth response as affected by solution temperature, spraying intervals and substrate. In trials carried out during 1986-88, tomatoes were grown using the nutrient film technique with a root temperature of 25 degrees C, or aeroponically with solution temperatures of 15, 20 or 25 degrees and spraying intervals of 5, 10 or 20 minutes....

Jung, H.-Bok; Ito, T.; Maruo, T., 1994: Effects of shading and NO-3: NH-4 ratios in the nutrient solution on the growth and yield of pepper plants in nutrient film technique culture. The effects of NO-3:NH-4 mixture with a gram-N ratios of 10:0, 9:1 and 8:2 in the nutrient solution and shading pepper plants grown under NFT to 0, 25 and 50% full solar radiation on their growth, yield, and photosynthesis were investigated. Main...

Fan ShuangXi; Tadashi, I., 2002: Effects of calcium on nutrient absorption and growth and development of Lactuca sativa var. longifolia Lam. in nutrient film technique culture. The relationship between Ca and other main elements and the effects of Ca on the growth and development of lettuce in a nutrient film technique (NFT) culture were studied. The results showed that Ca deficiency reduced the chlorophyll content, incr...

Granges, A., 1980: Nutrient film technique culture of tomatoes. Influence of the culture method on the chemical composition of the fruits. During a 2 year trial the chemical composition of tomatoes (cv. Lucy) grown by the nutrient film technique (NFT) was compared with that of tomatoes grown by standard methods. NFT increased the marketable yield. Fruits contained less acid and more...