Effect of plant population density and nitrogen fertilization on yield and yield components of some white and yellow maize hybrids under drip irrigation system in sandy soil

Griesh, M. H. M.; Yakout, G. M.

doi:10.1007/0-306-47624-x_394

Cited by 11 publications

(18 citation statements)

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“…these results clearly suggested higher genetic potential of H 1 . Similar findings have been reported by Griesh and Yakout (2001) and Khan et al (2011). Among N application strategies, maximum plant height was obtained at N 3 during both years, whilst minimum plant height was obtained at N 5 during both years.…”

Section: Resultssupporting

confidence: 92%

“…During both years, the maximum weight of 1000-grain was recorded in plants of H 1 with respect to the other hybrid. these results depicted the superiority of single cross hybrid over the double cross hybrid (Griesh, Yakout, 2001;Khan et al, 2011). In N fertilization strategies, during both years N 3 gave maximum 1000-grain weight, whilst minimum 1000-grain weight was produced by N 5 in both experimental years.…”

Section: Resultsmentioning

confidence: 82%

“…Number of grains per cob was significantly affected by year ( Griesh and Yakout (2001) and Khan et al (2011). As far as N application strategies were concerned, maximum number of grains per cob was produced in N 3 during both growing seasons (Table 3).…”

Section: Resultsmentioning

confidence: 99%

“…In this research, during both years higher grain:pith ratio was produced by H 1 over the other. This was due to better genetic ability of single cross hybrid as compared to double cross (Griesh, Yakout, 2001). Among strategies of N application, N 3 gave the highest grain:pith ratio during both (2010 and 2011) growing seasons.…”

Section: Resultsmentioning

confidence: 99%

“…Interaction between different genotypes and N fertilization shows the importance of selection of better performing hybrids to improve crop production (Gallais, Coque, 2005). Mostly, single cross hybrids produce higher grain yield and yield components in response to applied inputs (N in particular) than all the other hybrids (Griesh, Yakout, 2001;Badu-Apraku et al, 2011). However, it is difficult to conclude which hybrid/variety will perform better at certain N level.…”

Section: Introductionmentioning

confidence: 99%

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The effects of nitrogen fertilization strategies on the productivity of maize (Zea mays L.) hybrids

Iqbal

Khan

Ehsanullah

et al. 2014

Zemdirbyste-Agriculture

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Nitrogen (N) is one of the major limitations to crop productivity. Therefore, a field study was conducted to examine the impacts of N application strategies: N 1 -20% of N at sowing through broadcast + 79% N at mid-season through fertigation + 1% of N at flowering through foliar application, N 2 -40% of N at sowing through broadcast + 59% of N at mid-season through fertigation + 1% of N at flowering through foliar, N 3 -60% of N at sowing through broadcast + 39% of N at mid-season through fertigation + 1% of N at flowering through foliar, N 4 -80% of N at sowing through broadcast + 19% of N at mid-season through fertigation + and 1% of N at flowering through foliar and N 5 -100% of N at sowing through broadcast, on the productivity of maize hybrids (H) single cross-6142 (H 1 ) and double cross-4444 (H 2 ) over a 2-year period, 2010-2011. During both years, N strategies and maize hybrids differed significantly for all the observed traits of yield and quality. The highest biological yield (16.99-17.62 t ha -1 ) and grain yield (6.83-7.16 t ha -1 ) were recorded by using the strategy N 3 . Similar trends were also observed for other traits except the grain oil content which was the maximum (3.38-3.98%) at N 5 . However, in both years, maximum biological yield (14.83-15.69 t ha -1 ) and grain yield (5.01-6.02 t ha -1 ) were evident in H 1 . the interactive effect of H 1 × N 3 gave maximum biological yield (17.55-20 t ha -1 ) and grain yield (7.53-8.83 t ha -1 ). In 2010 and 2011, the highest net income (1220-1272 USD ha -1 ) and benefit cost ratio (2.52-2.56) was also attained at H 1 × N 3 . In conclusion, our results suggested that maize productivity (grain yield up to 5.01-6.02 t ha -1 ) could be improved on economic basis (benefit cost ratio up to 2.52-2.56) by growing the single cross hybrid-6142 (H 1 ) with N application strategy N 3 .

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Section: Resultssupporting

confidence: 92%

Section: Resultsmentioning

confidence: 82%

Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

The effects of nitrogen fertilization strategies on the productivity of maize (Zea mays L.) hybrids

Iqbal

Khan

Ehsanullah

et al. 2014

Zemdirbyste-Agriculture

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Planting density affected biomass and grain yield of maize for seed production in an arid region of Northwest China

et al. 2018

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Field experiments were conducted from 2012 to 2015 in an arid region of Northwest China to investigate the effects of planting density on plant growth, yield, and water use efficiency (WUE) of maize for seed production. Five planting densities of 6.75, 8.25, 9.75, 11.25 and 12.75 plants/m 2 were conducted in 2012, and a planting density of 14.25 plants/m 2 was added from 2013 to 2015. Through comparison with the AquaCrop yield model, a modified model was developed to estimate the biomass accumulation and yield under different planting densities using adjustment coefficient for normalized biomass water productivity and harvest index. It was found that the modified yield model had a better performance and could generate results with higher determination coefficient and lower error. The results indicated that higher planting density increased the leaf area index and biomass accumulation, but decreased the biomass accumulation per plant. The total yield increased rapidly as planting density increased to 11.25 plants/m 2 , but only a slight increase was observed when the density was greater than 11.25 plants/m 2. The WUE also reached the maximum when planting density was 11.25 plants/m 2 , which was the recommended planting density of maize for seed production in Northwest China.

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Planting date and plant density effects on maize growth, yield and water use efficiency

Djaman

Allen

Djaman

et al. 2022

Environmental Challenges

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Effect of plant population density and nitrogen fertilization on yield and yield components of some white and yellow maize hybrids under drip irrigation system in sandy soil

Cited by 11 publications

References 0 publications

The effects of nitrogen fertilization strategies on the productivity of maize (Zea mays L.) hybrids

The effects of nitrogen fertilization strategies on the productivity of maize (Zea mays L.) hybrids

Planting density affected biomass and grain yield of maize for seed production in an arid region of Northwest China

Planting date and plant density effects on maize growth, yield and water use efficiency

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