Fouda, T., El-Babi, N., Ali, E., Salah, S. (2022). Assessment of Water and Nitrogen Productivity of Cabbage and Lettuce Planting Under Greenhouse. Journal of Soil Sciences and Agricultural Engineering, 13(8), 281-285. doi: 10.21608/jssae.2022.151613.1095
T. Fouda; N. El-Babi; E. Ali; Shimaa Salah. "Assessment of Water and Nitrogen Productivity of Cabbage and Lettuce Planting Under Greenhouse". Journal of Soil Sciences and Agricultural Engineering, 13, 8, 2022, 281-285. doi: 10.21608/jssae.2022.151613.1095
Fouda, T., El-Babi, N., Ali, E., Salah, S. (2022). 'Assessment of Water and Nitrogen Productivity of Cabbage and Lettuce Planting Under Greenhouse', Journal of Soil Sciences and Agricultural Engineering, 13(8), pp. 281-285. doi: 10.21608/jssae.2022.151613.1095
Fouda, T., El-Babi, N., Ali, E., Salah, S. Assessment of Water and Nitrogen Productivity of Cabbage and Lettuce Planting Under Greenhouse. Journal of Soil Sciences and Agricultural Engineering, 2022; 13(8): 281-285. doi: 10.21608/jssae.2022.151613.1095
Assessment of Water and Nitrogen Productivity of Cabbage and Lettuce Planting Under Greenhouse
1Agricultural Engineering Department, Faculty of Agriculture, Tanta University, Egypt.
2The Higher Institute of Agricultural Technologies in El-Gheran, Tripoli, Libya
Abstract
This experiment studied water and nitrogen productivity for cabbage and lettuce under the shortage of nitrogen and irrigation water during growing cabbage (Saturn) and lettuce (Babura) plants. Mass production, nitrogen productivity, water productivity, chlorophyll A, chlorophyll B and total chlorophyll, respectively were test under using four levels of nitrogen fertilization (0, 50, 100 and 150% of Nitrogen recommended) and also four levels of water regime (50%, 75%, 100% and 125% of ETc) in Libya conditions. The optimum conditions in drip irrigation greenhouse for crops grow were provided to give us high yield, quality production for cabbage and lettuce crops. Applying 100% N fertilization and 125% ETc to cabbage was the highest nitrogen productivity of 1132.3 kg yield /kg N, water productivity 17.32 kg/m3 and mass production of 17.57 Mg/ha.The highest value of chlorophyll A, chlorophyll B and total chlorophyll obtained with 100%N and 100% ETc applied water for cabbage were (0.505, 0.753 and 1.258 mg/100gm) while for lettuce were (0.382, 0.299 and 0.681 mg/100 gm), respectively.
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