Effect of Nitrogen Content of Irrigation Water and Soil EC on Lettuce Growth
2004
Lee, G.J. (Chungbuk Provincial Agricultural Research and Extension Services, Cheongweon, Republic of Korea), E-mail: [email protected] | Kang, B.G. (Chungbuk Provincial Agricultural Research and Extension Services, Cheongweon, Republic of Korea) | Kim, H.J. (Chungbuk Provincial Agricultural Research and Extension Services, Cheongweon, Republic of Korea) | Park, S.G. (Chungbuk Provincial Agricultural Research and Extension Services, Cheongweon, Republic of Korea)
A pot experiment was conducted to find out the effects of nitrogen content of irrigation water and soil EC on lettuce growth under plastic film house conditions. The square-pots with 42 x 54.5 x 22 cm in length, width and height, were filled with two different soils of different EC. Lettuce was grown with different nitrogen fertilizer application levels including non fertilization (Non-F), decrement of 50% of nitrogen fertilizer recommended by soil tsting (DNFRST-50) and fertilization recommended by soil testing(FRST).
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