Document Type : original papers
Authors
1
Department of Soil Science, Faculty of Agriculture, Menoufia University, Shebin El-Kom, Menoufia, Egypt.
2
Soils, Water and Environment Research Institute (Agric. Res. Center) Giza, Egypt.
3
soil science and water, elmenoufia university
Abstract
This greenhouse study aimed to evaluate the response of faba bean plant (Ficia Vaba. Giza 716) to magnesium (Mg) fertilization in reaction with sulphur (S) applications, which capitalizes on the uptake and availability of essential nutrients, especially under calcareous soil conditions. The study also looked at how this affected the productivity of faba bean plants.
The data indicate that the application of S and Mg reduced the pH, electrical conductivity (EC), and calcium carbonate (CaCO3) content of calcareous soil, while enhancing organic matter (OM) and the availability of nitrogen (N), phosphorus (P), potassium (K), S, and Mg. The application of sulphur had a more significant impact on the examined variables than the application of magnesium.
An increase in the application rates of both S and Mg resulted in a significant increase in the number of straw and seeds of faba bean plants, where it increased from.3.35 and. 6.13 g/pot in the treatment free from S and Mg to 5.73 and 10.62 g/pot in the plants received 450 and 60 mg/Kg S and Mg, respectively. As well as there were significant increases in straw and seeds uptake (mg /pot) of N, P, K, Mg and S. The uptake of these nutrients escalated from 51.93, 26.23, 38.53, 11.06, and 16.75 to 160.44, 90.53, 117.47, 159.30, and 71.63, and from 128.73, 76.63, 109.11, 31.88, and 49.65 to 390.82, 215.59, 312.23, 159.30, and 172.04 in faba bean straw and seeds, respectively, due to the incremental application of S and Mg, respectively, from 0 to 450 and 60 mg/pot. Therefore, calcareous soil management must include S and Mg applications to improve health and productivity
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