Phosphorus Utilization Efficiency by Sunflower (Helianthus annuus L.) from Sparingly Soluble P Source under P Deficient Environment

Hammad, Hafiz Mohkum; Tahir, Mukkram Ali; Sabah, Noor-Us; Sarwar, Ghulam; Aftab, Muhammad; Manzoor, Muhammad Zeeshan; Riaz, Aneela; Niaz, Abid; Arif, Muhammad

doi:10.17582/journal.pjar/2021/34.2.294.299

Cited by 3 publications

(3 citation statements)

References 7 publications

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“…In Pakistan, 80% of the soils are P deficient (Hammad et al, 2021). Jamil et al (2021) analysed the physicochemical variables and fertility status of district Sahiwal soils of Punjab region (Pakistan) and reported that 45% samples of soils were poor in available phosphorus (i.e.…”

Section: Discussionmentioning

confidence: 99%

Effectiveness of compost inoculated with phosphate solubilizing bacteria

Ahmad

Zafar

Khan

et al. 2022

Journal of Applied Microbiology

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Aims:The present study was carried out to design a phosphate solubilizing bacterial (PSB)-based biofertilizer using locally produced fruit waste. Method and results:Two PSB strains Pseudomonas aeruginosa CMG4 and AAC1 were inoculated into compost. Six compost piles were prepared with carbon:nitrogen (C:N) ratio 30:1. Four piles were inoculated with PSB and two piles served as a control. After 125 days, composts were considered mature at 29-31°C in the pH range of 7.1-7.3 and 32%-35% moisture content (MC). Accessible calcium (Ca) content increased up to 50 g kg −1 . Microbial analysis showed the survival of P. aeruginosa species in the maturing compost even at higher temperature (~53°C). Native bacterial load was retrieved in the range of 10 9 -10 11 CFUg −1 . Heavy metal concentrations including copper (Cu), lead (Pb), chromium (Cr) and cadmium (Cd) were found to occur below critical thresholds. Seed germination index for compost toxicity was found to be >80%, significantly higher than animal manure and chemical fertilizer, that is, 78% and 31%, respectively, suggesting non-toxicity. Conclusions:The evaluation of prepared compost by physicochemical parameters revealed that inoculation of P. aeruginosa does not affect the temperature, MC, carbon to nitrogen ratio, organic matter and Mg content but significantly increased the accessible Ca content, suggesting the solubilization of inorganic Ca bound phosphate. Compost was safe in terms of heavy metal concentration and seed germination. Significance and impact of study:This study encourages that the PSB-rich tailored compost can be utilized as a phosphatic biofertilizer to fulfil the demand for phosphorus which would improve and sustain soil fertility.

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Section: Discussionmentioning

confidence: 99%

Effectiveness of compost inoculated with phosphate solubilizing bacteria

Ahmad

Zafar

Khan

et al. 2022

Journal of Applied Microbiology

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“…This might be because AM fungus formed an outer layer of mycelium surrounding the roots, which may have improved the availability of nutrients at the root surface, leading to an increase in the plant's intake and growth. A related discovery was previously published by Hammad et al (2021). Among the various phosphorus levels, the application of 5 tons FYM significantly recorded the highest plant population (9.6 cm), stem girth (10.10 cm), and head diameter (52.9 cm).…”

Section: Discussionmentioning

confidence: 52%

“…Phosphorus (P) fertilizer increased plant growth and production (Zamanian et al, 2021) and that phosphorus plays a vital role in the development of plants, and its application increases at the early, active phase of development, when increasing the above physiological parameters. However, according to Hammad et al (2021). In this latest research, nutrient management had a discernible impact on farmyard manure.…”

Section: Discussionmentioning

confidence: 91%

Growth and Yield of Sunflower (Helianthus Annuus L.) Under Different Organic (Farm Yard Manure) and Inorganic Phosphorus Doses

Kaleri,

Soomro,

Banbhan

et al. 2024

Pak. J. Biotechnol

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In this study, we investigate the impact of different rates of farmyard manure application on the growth and yield of sunflower (Helianthus annuus L.). Our objective is to assess how various levels of organic fertilizer influence the development and productivity of this crop. The experiment involved five integrated applications of farmyard manure (T1 = 00 tons of farmyard manure + P (0), T2 = 1 ton of farmyard manure, P (30 P kg ha-1), T3 = 3 tons of farmyard manure + (60 P kg ha-1), T4 = 4 tons of farmyard manure + 90 P kg ha-1, and T5 = 5 tons of farmyard manure + (120 P kg ha-1). The results revealed that T5 = 5 tons of farmyard manure and (120 P kg ha-1). resulted best and produced the maximum plant population (m2) (10.5), plant height (273.7 cm), stem girth (10.9 cm), head diameter (53.8 cm), number of seeds head-1 (2696.9), seed weight head-1 (60.7 g), seed index (32.7 g), and seed yield (2698.7 kg ha-1). Whereas the T1=00-ton Farm Yard Manure treatment produced the least results and recorded plant population (m-2) (6.6), plant height (217.7 cm), stem girth (9.3), head diameter (30.3 cm), number of seeds head-1 (1510.7), seed weight head-1 (26.6 g), seed index (23.0 g), and seed yield (2100.0 kg ha-1). It is therefore recommended that, for obtaining higher growth and seed yields of sunflower, farmyard manure should be applied at 5 tons per hectare, and (120 P kg ha-1) respectively. The results concluded that the growth and yield of sunflowers were significantly affected by the application of farmyard manure as compared to the control (no farmyard manure). The grain yield increased linearly with increasing farmyard manure levels. However, the plot fertilized with 5 tons of farmyard manure produced the maximum grain yield of sunflower.

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Effect of Varying Nitrogen and Micronutrient Fertilization on Yield Quantity and Quality of Sunflower (Helianthus annuus L.) Achenes

Jarecki

2022

Agronomy

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Sunflower is a good alternative crop in rotation, even in light soils. This is due to the changing climate, economic factors and the need to reduce agriculture pressure on the environment. In this field experiment, the effect of soil nitrogen doses (60 and 90 kg ha−1) and additional foliar fertilization (B, Cu, Fe, Mn, Mo, Zn) on selected plant characteristics, yield and quality of sunflower achenes was assessed. The single-factor experiment was conducted in 2020 and 2021 on Luvisol soil. It was shown that a higher nitrogen dose had a positive effect on plant biometric features, protein content in achenes, as well as LAI (leaf area index) and SPAD (soil plant analysis development) indices. Additionally, the applied double foliar spraying resulted in an increase in yield components and quality of achenes. Sunflower yielding depended on the interaction of weather conditions with fertilization. In the first year of the research, high yields were obtained after applying 60 or 90 kg N ha−1 in combination with double foliar fertilization (3.68 and 3.65 t ha−1, respectively). A significantly lower yield was recorded after applying only the 60 kg N ha−1 dose. This was not statistically confirmed in the second year of the study, with a higher average yield of 3.79 t ha−1. Economic calculations showed that the optimal option was to use 60 kg N ha−1 together with single or double foliar fertilization. Fertilizing with 90 kg N ha−1 in combination with micronutrient spraying was the least profitable.

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Phosphorus Utilization Efficiency by Sunflower (Helianthus annuus L.) from Sparingly Soluble P Source under P Deficient Environment

Cited by 3 publications

References 7 publications

Effectiveness of compost inoculated with phosphate solubilizing bacteria

Effectiveness of compost inoculated with phosphate solubilizing bacteria

Growth and Yield of Sunflower (Helianthus Annuus L.) Under Different Organic (Farm Yard Manure) and Inorganic Phosphorus Doses

Effect of Varying Nitrogen and Micronutrient Fertilization on Yield Quantity and Quality of Sunflower (Helianthus annuus L.) Achenes

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