Effect of Salinity and Nitrogen Sources on Growth and Chemical Composition of Salix babylonica Seedling

Abstract: A pot experimint was carried out at the Nursery of Forestry Department, Horticulture Research
Institute, Agriculture Research Center, Giza, Egypt, in the two successive seasons, 2018/2019 and 2019/2020
to study the effect of three nitrogen fertilizer forms (Ammonium sulfate, ammonium nitrate and calcium nitrate)
under different levels of salinity on growth and chemical composition of Salix babylonica seedling grown in
sandy loamy soils. The results showed that, increasing salt concentration decreased seedling height, stem
diameter, shoots and roots fresh and dry weights, number of branches and number of leaves concern with
9dSm concentration with any nitrogen form, when compared to control. On the other hand, sugars, proline, 1
Na and Cl increased by increasing salinity level, while chlorophyll, N, P, K and Ca were diminished. The results
disclosed that using calcium nitrate as a form of nitrogen significantly increased whole of the studied growth
characters compared to other sources of N fertilizers. Also, using calcium nitrate increased the contents of N,
P, K and Ca, as well as chlorophyll, sugars and proline and decreased the contents of Cl and Na compared to
ammonium sulfate and ammonium nitrate under the same level of salt concentration
URL
Publication year 2020
Pages 295-307
Organization Name
Author(s) from ARC
Publication Type Journal