THE INTERACTION OF N SOURCES AND DROUGHT STRESS AT FLOWERING STAGE OF MAIZE ON N AND P UPTAKE AND EFFICIENCY

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ALIZADEH P.; FALLAH S.; RAIESI F.

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Journal: Journal of Water and Soil Year:2013 | Volume:26 | Issue:5 Page(s): 1190-1199

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Title

THE INTERACTION OF N SOURCES AND DROUGHT STRESS AT FLOWERING STAGE OF MAIZE ON N AND P UPTAKE AND EFFICIENCY

Author(s)

ALIZADEH P. | FALLAH S. | RAIESI F. | Issue Writer Certificate

Keywords

EFFICIENCYQ1

FERTILIZERQ2

IRRIGATIONQ2

MAIZEQ2

Abstract

The effects of organic and inorganic N sources on nutrient (N and P) EFFICIENCY under the water-stressed conditions have not yet been determined. Thus, a field study was conducted to determine the influence of N from different sources along with drought stress on nutrient efficiencies of MAIZE. Main plots consisted of two IRRIGATION treatments (i.e., optimum IRRIGATION and cut-off IRRIGATION at silking stage for two weeks), and subplots comprised N FERTILIZERs (cattle manure: 40.8 Mg ha-1, poultry manure: 13.3 Mg ha-1, urea FERTILIZER: 435 kg ha-1, cattle manure+urea FERTILIZER: 20.4 Mg ha-1and 20.4 Mg ha-1, respectively) and control (without FERTILIZER). Results indicated that the imposition of water deficit and FERTILIZER type had a significant effect on N uptake while P uptake was significantly affected only by FERTILIZER type. The highest N and P uptake were obtained with poultry manure. Similarly, significant differences in N and P use EFFICIENCY and N physiological EFFICIENCY were observed between the water deficit and FERTILIZER type (P<0.01). However, the effect of water deficit on N and P uptake EFFICIENCY was not statistically significant, althoughfertilizer type was remarkable. Nitrogen and P use EFFICIENCY and N physiological EFFICIENCY with poultry and cattle manures were significantly lower under water deficit than normal IRRIGATION conditions. In conclusion, the highest N and P use and uptake efficiencies were obtained with poultry manure under normal IRRIGATION conditions, but with cattle manure+urea FERTILIZER under water deficit conditions.

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APA: Copy

ALIZADEH, P., FALLAH, S., & RAIESI, F.. (2013). THE INTERACTION OF N SOURCES AND DROUGHT STRESS AT FLOWERING STAGE OF MAIZE ON N AND P UPTAKE AND EFFICIENCY. JOURNAL OF WATER AND SOIL (AGRICULTURAL SCIENCES AND TECHNOLOGY), 26(5), 1190-1199. SID. https://sid.ir/paper/141107/en

Vancouver: Copy

ALIZADEH P., FALLAH S., RAIESI F.. THE INTERACTION OF N SOURCES AND DROUGHT STRESS AT FLOWERING STAGE OF MAIZE ON N AND P UPTAKE AND EFFICIENCY. JOURNAL OF WATER AND SOIL (AGRICULTURAL SCIENCES AND TECHNOLOGY)[Internet]. 2013;26(5):1190-1199. Available from: https://sid.ir/paper/141107/en

IEEE: Copy

P. ALIZADEH, S. FALLAH, and F. RAIESI, “THE INTERACTION OF N SOURCES AND DROUGHT STRESS AT FLOWERING STAGE OF MAIZE ON N AND P UPTAKE AND EFFICIENCY,” JOURNAL OF WATER AND SOIL (AGRICULTURAL SCIENCES AND TECHNOLOGY), vol. 26, no. 5, pp. 1190–1199, 2013, [Online]. Available: https://sid.ir/paper/141107/en

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