Zobrazeno 1 - 8
of 8
pro vyhledávání: '"H. O. Burhan"'
Publikováno v:
Experimental Agriculture. 29:195-200
SummaryBread wheat is grown under irrigation in Saudi Arabia. Since water resources are limited, any additional agricultural development must make use of sources of water that are less than ideal, for example, saline drainage water. A two year field
Autor:
M. B. Said, H. O. Burhan
Publikováno v:
The Journal of Agricultural Science. 84:81-86
SUMMARYResidual effects of N, P and K applied to cotton on the following crops of dura (Sorghum vulgare), lubia (Dolichos lablab) and wheat (Triticum vulgare) were investigated using data obtained over a 30-year period from a factorial field experime
Autor:
I. A. Babikir, H. O. Burhan
Publikováno v:
Experimental Agriculture. 4:311-323
SUMMARYThe concentration of nitrate-nitrogen in cotton petioles was directly related to the rate of nitrogen applied and was greatest at the earliest sampling date, decreasing as the season progressed. There was an increase in the degree of associati
Publikováno v:
The Journal of Agricultural Science. 81:491-505
SUMMARYThe effects of the sowing date of cotton and application of nitrogenous fertilizer to it on the incidence of insect pests were investigated over a 5-year period. Response to frequent insecticide spraying was also determined and the results wer
Autor:
H. O. Burhan, M. G. Mansi
Publikováno v:
Experimental Agriculture. 6:279-286
SUMMARYEffects of N, P and K on yields of cotton were investigated using data obtained over an 18-year period from a factorial experiment comparing various combinations of the three nutrients. The results clearly indicated a significant and fairly co
Autor:
H. O. Burhan, J. E. Jackson
Publikováno v:
The Journal of Agricultural Science. 70:257-263
SUMMARYThe interactions between nitrogen fertilizer and crop rotations in their effects on the yield of cotton in the Sudan were studied by superimposing fertilizer treatments on a rotation experiment which was already more than 30 years old. This ex
Autor:
H. O. Burhan, M. G. Mansi
Publikováno v:
The Journal of Agricultural Science. 68:255-261
The rotation responses of unfertilized cotton were investigated using data obtained over a 28-year period from an experiment comparing ten rotations in various combinations of cotton with fallow and an alternating crop of dura (a sorghum millet) and
Autor:
J. E. Jackson, H. O. Burhan
Publikováno v:
The Journal of Agricultural Science. 81:481-489
SUMMARYVariation of cotton yields from year to year has been a major problem in the Sudan Gezira for a long time. Previous studies indicated involvement of pest attack, soil nitrogen levels and lengths of growing season in this and suggested that ade