EVALUATION OF NITROGEN FERTILIZER EFFECTS ON YIELD, YIELD COMPONENTS AND DRY MATTER REMOBILIZATION OF THREE RICE GENO TYPE

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MUSTAFAVI RAD M.; TAHMASBI SARVESTANI Z.A.A.

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Journal: Journal of Agricultural Sciences and Natural Resources Year:2003 | Volume:10 | Issue:2 Page(s): 21-31

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Title

EVALUATION OF NITROGEN FERTILIZER EFFECTS ON YIELD, YIELD COMPONENTS AND DRY MATTER REMOBILIZATION OF THREE RICE GENO TYPE

Author(s)

MUSTAFAVI RAD M. | TAHMASBI SARVESTANI Z.A.A. | Issue Writer Certificate

Keywords

RICEQ3

YIELD COMPONENTSQ3

REMOBILIZATIONQ3

DRY MATTERQ2

Abstract

In order to evaluate the effects of nitrogen fertilizer on yield, YIELD COMPONENTS and DRY MATTER REMOBILIZATION of different RICE genotypes, a field experiment was carried out in the RICE Research Institute (Rasht/lran) during 1999-2000.A split-plot layout in the basic of randomized complete blocks design with four replications, was used. Three nitrogen levels, including of 0,150 and 300 kg/ha as the main plots and three RICE genotypes including of 424, 506 and 507 as the sub plots were used. The results showed that grain yield and DRY MATTER REMOBILIZATION had significant differences among RICE genotypes and different levels of nitrogen. Grain yield and DRY MATTER REMOBILIZATION in 424 genotype was more than others, and the highest DRY MATTER REMOBILIZATION was obtained under 300 kg/ha level of urea. Moreover the interation between nitrogen treatments and genotype had significant effects on grain yield and DRY MATTER REMOBILIZATION. Different RICE genotypes and also different plant parts showed different responses related to REMOBILIZATION of DRY MATTER. 424 and 506 genotypes showed the highest DRY MATTER REMOBILIZATION under 300 kg/ha and 507 under 0 kg/ha level, of urea. In general, contribution of grain DRY MATTER from stem was more than other parts(like flag leaf and other leaves). There were positive and significant correlations between grain yield and 1000-grainweight and fertile tillers number. Correlation voefficient between grain yield and DRY MATTER REMOBILIZATION was not significant.

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APA: Copy

MUSTAFAVI RAD, M., & TAHMASBI SARVESTANI, Z.A.A.. (2003). EVALUATION OF NITROGEN FERTILIZER EFFECTS ON YIELD, YIELD COMPONENTS AND DRY MATTER REMOBILIZATION OF THREE RICE GENO TYPE. JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES, 10(2), 21-31. SID. https://sid.ir/paper/9515/en

Vancouver: Copy

MUSTAFAVI RAD M., TAHMASBI SARVESTANI Z.A.A.. EVALUATION OF NITROGEN FERTILIZER EFFECTS ON YIELD, YIELD COMPONENTS AND DRY MATTER REMOBILIZATION OF THREE RICE GENO TYPE. JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES[Internet]. 2003;10(2):21-31. Available from: https://sid.ir/paper/9515/en

IEEE: Copy

M. MUSTAFAVI RAD, and Z.A.A. TAHMASBI SARVESTANI, “EVALUATION OF NITROGEN FERTILIZER EFFECTS ON YIELD, YIELD COMPONENTS AND DRY MATTER REMOBILIZATION OF THREE RICE GENO TYPE,” JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES, vol. 10, no. 2, pp. 21–31, 2003, [Online]. Available: https://sid.ir/paper/9515/en

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