H.Abdel-Aal, M. (2018). Effects of nitrogen forms on yield of sorghum (Andropogen sorghum) and their residual effect on a following wheat crop on a sandy soil.. Annals of Agricultural Science, Moshtohor, 56(2), 439-446. doi: 10.21608/assjm.2018.116711
M. H.Abdel-Aal. "Effects of nitrogen forms on yield of sorghum (Andropogen sorghum) and their residual effect on a following wheat crop on a sandy soil.". Annals of Agricultural Science, Moshtohor, 56, 2, 2018, 439-446. doi: 10.21608/assjm.2018.116711
H.Abdel-Aal, M. (2018). 'Effects of nitrogen forms on yield of sorghum (Andropogen sorghum) and their residual effect on a following wheat crop on a sandy soil.', Annals of Agricultural Science, Moshtohor, 56(2), pp. 439-446. doi: 10.21608/assjm.2018.116711
H.Abdel-Aal, M. Effects of nitrogen forms on yield of sorghum (Andropogen sorghum) and their residual effect on a following wheat crop on a sandy soil.. Annals of Agricultural Science, Moshtohor, 2018; 56(2): 439-446. doi: 10.21608/assjm.2018.116711
Effects of nitrogen forms on yield of sorghum (Andropogen sorghum) and their residual effect on a following wheat crop on a sandy soil.
Soil, Water and Enviro.Res. Inst. (SWERI) - Agric. Res. C. (ARC), Giza- Egypt.
Abstract
Two field experiments were carried out on a sandy soil at Ismailia Agric. Res. Station, Ismailia governorate Egypt in a split plot design. The first experiment was during summer 2016 on sorghum (Andropogen sorghum, v. Dorado). The main plots contained treatments of fertilizer nitrogen forms, i.e. Ammonium Nitrate 33%N, Urea 46 %N Urea Formaldehyde 40%N and Neem Coated Urea 40%N on sorghum. Four rates of i.e. 190,238and286 Kg N /ha(80, 100 and 120 kg N/fed) were arranged in the sub main plots. The second field experiment was carried out during the following winter, season of 2016- 2017 growing wheat (Tricticum aestivum), on the same plots of the first experiment, to study the residual effect. Results obtained the increases the rate of caused a significant increase in grains and straw yields of sorghum, as well as grain yield of the following wheat. The highest mean values of soil total-N as well as and available-N occurred after wheat harvest in soil given the 238 kg/ha in rate as urea formaldehyde or Neem coated urea.
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