Response of Different Rice Varieties to Phosphorous Fertilizer Under Newly Reclaimed Saline Soils

Zayed, B. A.; El-Rafaee, I.; Sedeek, S. E. M.

doi:10.21608/jpp.2010.86594

Cited by 10 publications

(36 citation statements)

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“…The varietal differences in LAI are reflected different genetic make up. The current findings are in agreement with those reported by Alam et al (2009) and Zayed et al (2010), who revealed that hybrid rice surpassed inbred rice verities in LAI, dry matter and number of tillers.…”

Section: Rice Cultivars Performancesupporting

confidence: 94%

“…Also, phosphorus application might be increasing phosphorus availability and subsequently increased its uptake and its content in rice plants leading to more ATP formation, that is the main stare for energy in plant and might encourage rice growth, metabolism, photosynthesis and nucleic acid resulted in high efficiency of dry matter production. The results are in agreement with those reported by Suriya-arunroj et al (2000), Kumar and Singh (2001), Biswas and Dravid (2001), Hood (2002), Ali et al (2004), Bharat (2006) and Zayed et al (2010).…”

Section: Effect Of Phosphorus Ratesupporting

confidence: 93%

“…Application of 36 kg P2O5/ha increased grain yield through the increase in number of panicles/m 2 , panicle weight, the number of filled grains/panicle and 1000-grain weight. The results are in agreement with those reported by Biswas and Dravid (2001), Ibrahim (2001), Kumar and Singh (2001), Hood (2002), Bharat (2006), Alam et al(2009) and Zayed et al (2010).…”

Section: Effect Of Phosphorus Ratesupporting

confidence: 93%

“…The superiority of SK2034H cultivar in grain yield was due to its highest number of panicles/m 2 and greatest number of filled grains/panicle. Gautam (2004), Singh et al (2004), Abou Khalifa (2005), Zayed et al (2006), Zayed et al (2007), Alam et al (2009) and Zayed et al (2010) indicated that hybrid rice surpassed inbred rice in grain yield, number of panicles and number of filled grains/panicle.…”

Section: Rice Cultivars Performancementioning

confidence: 99%

“…In addition, Gautam (2004) and Abou Khalifa (2005) emphasized superiority of rice hybrid over inbred ones in panicles number/plant, filled grains/panicle, fertility percentage, panicle weight, 1000-grain weight, harvest index as well as straw and grain yields. On the other hand, Zayed et al (2007), Alam et al (2009) and Zayed et al (2010) recognized variation between inbred rice and hybrid varieties regarding growth, grain yields and its attributing characteristics under normal and saline soils.…”

Section: Introductionmentioning

confidence: 99%

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Effect of Zinc and Phosphorus Fertilization on Rice Crop Under Saline Soil Conditions

Gharib

Zayed²,

Sorour

et al. 2011

Journal of Plant Production

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Two field experiments were conducted at the Experimental Farm of El-Sirw Agricultural Research Station, Dammietta Governorate, Egypt, in 2007 and 2008 seasons, to study the effect of phosphorus rate (0, 18, 36, and 54 kg P2O5/ha) and Zinc rate (0, 12, 24 and 36 kg ZnSO4/ha) on productivity of some rice cultivars (Giza177, Giza 178 and Sakha104 as inbred cultivars and hybrid cultivar SK2034H) under saline soil conditions. The hybrid rice cultivar SK2034H was superior to other cultivars in leaf area index, dry matter production (g/m 2), number of tillers/m 2 , number of panicles/m 2 , panicle length, number of filled grains/panicle, grain yield, straw yield, harvest index and nitrogen, phosphorus and protein content of grains in both seasons and plant height only in the second season. However, Giza 177 gave the heaviest 1000-grain weight. Increasing phosphorus rate from 0 to 36 kg P2O5/ha significantly increased leaf area index, number of tillers/m 2 , number of panicles/m 2 , panicle length, panicle weight, number of filled grains/panicle, grain yield and harvest index in the two seasons. However, the highest dry weight/m 2 , 1000-grain weight, straw yield and N, P and crude protein contents of grains was obtained from application of 54 kg P2O5/ha. There were no significant differences in plant height among phosphorus rates in the two seasons of study. Increasing zinc rate from 0 to 36 kg ZnSO4/ha significantly increased leaf area index, dry matter production, panicle length, panicle weight, 1000-grain weight, grain yield, straw yield, harvest index and N and crude protein contents of grains. The inverse was true in unfilled grains % and phosphorus content of grains. Application of 24 and 36 kg ZnSO4/ha, being insignificant, increased number of tillers/m 2 , number of panicles/m 2 and number of filled grains/panicle compared with control (without zinc fertilizer). Zinc fertilizer rate had no significant effect on plant height in both seasons. All the first and second order interaction had significant effects on grain yield/ha. The maximum grain yield was obtained from the hybrid cultivar SK2034H fertilized by 54 kg P2O5 + 36 kg ZnSO4/ha or 36 kg P2O5 + 24 kg ZnSO4/ha in the two seasons. The highest grain yield of Giza 178 and Sakha104 were obtained by application of 36 kg P2 O5 and 36 kg ZnSO4/ha. It can be concluded that sowing SK2034H rice cultivar and application phosphorus fertilizer at the rate of 54 kg P2O5 /ha and Zinc fertilizer at the rate of 24 or 36 kg ZnSO4 could be recommended to produce optimum grain yield per unit area under saline soil condition.

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Section: Rice Cultivars Performancesupporting

confidence: 94%

Section: Effect Of Phosphorus Ratesupporting

confidence: 93%

Section: Effect Of Phosphorus Ratesupporting

confidence: 93%

Section: Rice Cultivars Performancementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Effect of Zinc and Phosphorus Fertilization on Rice Crop Under Saline Soil Conditions

Gharib

Zayed²,

Sorour

et al. 2011

Journal of Plant Production

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Potassium Nutrition in Rice (Oryza sativa L.) for Higher Yield with Lower Sodium Uptake under Saline Conditions of Central Vietnam

Trinh,

Hoang,

et al. 2024

IJARe

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Background: Potassium (K) is an essential macronutrient, improves rice yield and contributes to salt stress tolerance. This study determined the best potassium (K) application level on yield formation and the saline resistance capability of rice under salinity field conditions of central Vietnam. Methods: Experiments were comprised of five K fertilizer application rates (0, 25, 50, 75 and 100 kg K2O/ha) and two rice varieties, viz, OM8104 and MNR3 for two growing seasons of 2021 and 2022. All treatments were arranged in a split-plot design with 3 replicates in Duy Vinh commune, Duy Xuyen district, Quang Nam province. Result: Potassium application affected the number of panicles per unit area, filled grain per panicle and actual grain yield of both rice varieties in both seasons under saline condition. Application of 50 kg K2O/ha reduced the soil salinity over the monitoring periods compared to the other K rates. EC values of soil were significantly higher during the hot season than the wet season showing high temperature effects. Application of 50 kg K2O/ha also accumulated maximum dry matter at different crop stages and produced the highest rice yield with 7.57 and 5.25 tons/ha for OM8104 and 7.35 and 5.18 tons/ha for MNR3 in both wet and hot seasons respectively. The harvest index could not affect significantly by K application irrespective of seasons and varieties. These increases in actual grain yields using 50 kg K2O/ha were attributed to increased filled grains per panicle, accumulation of high K+ content and K+/Na+ ratios in rice varieties in both seasons under saline field condition.

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Role of Phosphorous Management for Enhancing Rice Productivity Under Egyptian Conditions

Zayed

El-Khtyar

Khalifa

et al. 2012

Journal of Plant Production

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Integrating crop management of rice is the main strategy for maximizing rice productivity in Egypt. Optimizing phosphorous application will ensure high productivity of rice and soil sustainability. Two field experiments were conducted during 2010 and 2011 seasons at the Farm of Sakha Agriculture Research Station, Kafr-El Sheikh Governorate, Egypt. The soil texture was clayey. EC was 1.6 and 1.5 dS/m during 2010 and 2011, respectively. The eleven suggested treatments studied the response of Giza 178 rice variety to various alternates of phosphorous management namely; control(1), basal application the rate of 54 kg P2O5/ha (2), Diammonium phosphate (DAP) spray with the concentration of 2% at mid tillering stage (MT) (3), Potassium triphosphate (KTP) spray at MT 2% (4), DAP spray 2% at panicle initiation (PI) (5), KTP 2% at (PI) (6), DAP spray 2% at booting stage (BT) (7), KTP2% at (BT) (8), basal application of phosphorous+ 2%of DAP at BT(9), basal application of phosphorous + 2% of KTP at BT(10) and DAP spray at the concentration of 2% at the three growth sage (11). The results of this study can be summarized as follows. Phosphorous application treatments either basal or foliar and their combination at beginning of boot growth stage were significantly increased P leaf content and its uptake. Also, phosphorous application significantly improved growth parameters at heading date viz; LAI, dry matter production, tillers number/hill and plant height. Flag leaf characteristics, i.e. flag leaf area, dry weight of flag leaf and chlorophyll content were significantly improved by phosphorous either basal or foliar spray as combination particularly, at booting stage. Yield components and rice grain yield were significantly improved by phosphorous application involving basal, foliar application and their combinations at booting growth stage were found to the most. Basal application of phosphorous+ 2%of DAP at BT and basal application of phosphorous+ 2%of KTP at BT were found to be the most effective treatments , whereas they were comparable regarding all above mentioned traits and recorded the maximum values of them. Furthermore, DAP spray at three growth stage at mid tillering stage+ panicle initiation + beginning of booting stage and basal application treatments were comparable regarding rice grain yield but the basal application economically surpassed it. From economic point of view, the treatment of basal application of recommended phosphorous+ 2%of DAP at BT was the best and it could be recommended under similar conditions.

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Response of Different Rice Varieties to Phosphorous Fertilizer Under Newly Reclaimed Saline Soils

Cited by 10 publications

References 0 publications

Effect of Zinc and Phosphorus Fertilization on Rice Crop Under Saline Soil Conditions

Effect of Zinc and Phosphorus Fertilization on Rice Crop Under Saline Soil Conditions

Potassium Nutrition in Rice (Oryza sativa L.) for Higher Yield with Lower Sodium Uptake under Saline Conditions of Central Vietnam

Role of Phosphorous Management for Enhancing Rice Productivity Under Egyptian Conditions

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