Impact of Biofertilizers on grain yield in spring wheat under varying fertility conditions and wheat-cotton rotation

Prof., Neeru Narula; Kumar, Vivek; Singh, Baljeet; Bhatia, Ranjana; Lakshminarayana, K.

doi:10.1080/03650340400029382

Cited by 44 publications

(20 citation statements)

References 9 publications

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“…ACC-deaminase enzyme bacteria are able to use ACC as the only source of nitrogen and, by reducing ethylene concentration and preventing the accumulation of this material under drought stress, can control the negative effects on root growth and, therefore, protect it (Glick et al 2007). Cotton and wheat seeds inoculated with growth promoters increased shoot and root height (Narula et al 2005;Kumar et al 2007). An increased height of Z. mays.…”

Section: Discussionmentioning

confidence: 99%

Influence of plant-growth-promoting bacteria on germination, growth and nutrients’ uptake ofOnobrychis sativaL. under drought stress

Delshadi

Ebrahimi

Shirmohammadi

2017

Journal of Plant Interactions

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The study was conducted to investigate the effect of growth-promoting bacteria (Azotobacter vinelandii = A, Pantoea agglomerans + P. putida = P, combined A + P, control) on the germination, growth and nutrient uptake of Onobrychis sativa L. under drought stress (field capacity (FC), 0.7 FC, 0.4 FC). The results showed that the highest and lowest germination rate (GR) was related to the P and control treatments in FC level, respectively. The maximum root and shoot length at the FC level was related to the treatment A. In the A + P treatment, the maximum shoot dry weight was measured in 0.7 FC level. The lowest root dry weight was also related to the A + P treatment in the FC level. Bio-fertilizers had the maximum impact in increasing the nutrients uptake in 0.7 FC and FC levels. The fertilizers in 0.7 FC and FC levels increased the plant traits and played no significant role in mitigating the effects of drought stress. ARTICLE HISTORY

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Section: Discussionmentioning

confidence: 99%

Influence of plant-growth-promoting bacteria on germination, growth and nutrients’ uptake ofOnobrychis sativaL. under drought stress

Delshadi

Ebrahimi

Shirmohammadi

2017

Journal of Plant Interactions

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“…It is well known that these bacterial species, in particular those associated with the plant rhizosphere, are able to exert a beneficial effect upon plant growth. Therefore, their use as bio-fertilizers for agriculture improvement has recently been a focus of numerous studies (Cakmakci et al 2001;Narula et al 2005;El-Sirafy et al 2006;Aseri et al 2008;Kızılkaya 2008;Abbasi et al 2011).…”

Section: Introductionmentioning

confidence: 99%

Synergistic effects of biofertilizer with organic and chemical N sources in improving soil nutrient status and increasing growth and yield of wheat grown under greenhouse conditions

Abbasi

Yousra

2012

Plant Biosystems - An International Journal Dealing with all As

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Biofertilizers have been identified as value-added soil amendments for improving efficiency of applied fertilizers and increasing soil fertility and crop productivity in sustainable farming system. This study explored the effect of biofertilizer (a mixture of Pseudomonas, Azospirrillium and Agrobacterium strains) supplemented with organic and mineral N fertilizers on soil properties, yield, and NPK uptake of wheat (Triticum aestivum L.) grown under greenhouse conditions. The treatments included the application of fertilizer alone or in different combinations with urea N (UN) and/or poultry manure (PM) added at various strengths. Results indicated that most of the growth characteristics were higher in treatments receiving biofertilizer supplemented with ½UN and full PM (200 mg N kg 71 ). However, treatments under full recommended N (200 mg N kg 71 ) or ½UNþfull PM had similar effects. Chlorophyll contents were highest in the full UN treatment, followed by the treatment with ½UNþfullPMþbiofertilizer. The latter significantly increased the yield and yield components of wheat compared to full UN and exhibited superiority over PM. Similarly, NPK uptake in plant shoot was highest in ½UNþfull PMþbiofertilizer compared to full UN or full PM treatments. Furthermore, our results showed that biofertilizer supplemented with PM improved soil properties, such as organic matter, NPK content and concentration of the micronutrients Fe, Mn, Cu and Zn. The application of biofertilizer increased the efficiency of both organic and mineral N fertilizer but alone was ineffective in increasing yield. Thus, biofertilizers could be used as value-added soil amendments by supplementing organic and low chemical fertilizer rates for improving soil fertility and sustaining crop productivity.

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“…Increase in yield and N content are attributed to enhanced N fixation and assimilation by plants (Negi et al 1991). Inoculation with Azotobacter saved 25-30 kg N ha 71 chemical fertilizer (Narula et al 2005) and increased wheat yield (Kizilkaya 2008). Phosphate solubilising bacteria (PSB), Bacillus subtilis and fungi, vesicular arbuscular mycorrhizae (VAM) are used for supplying phosphorus to plants (Gaur 1996, Suri et al 2006.…”

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confidence: 99%

Effect of biofertilizers and chemical fertilizers on productivity and quality parameters of durum wheat (Triticum turgidum) on a Vertisol of Central India

Behera¹,

Rautaray²

2010

Archives of Agronomy and Soil Science

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A field experiment was conducted at Indore, India, from 2000 to 2002 in a Vertisol having clay loam texture. The objective was to evaluate the effect of nitrogen-fixing bacteria, phosphorus-solubilising bacteria, vesicular arbuscular mycorrhizae (VAM) (Glomus fasciculatum), and chemical fertilizers on yield performance and quality parameters of durum wheat (Triticum turgidum var. durum Desf.). The grain (5664 kg ha 71 ) and straw yields were higher under recommended fertilizer dose (100% NPK) than under 50% NPK (4674 kg ha 71 ). Compared to the 50% NPK, biofertilizers þ 50% NPK increased grain yield marginally (2-6%) and could not reach the level of significance. However, straw yields were higher under the latter treatments. Protein and b-carotene contents were higher and the hectoliter weight was lower with 100% NPK as compared to 50% NPK. A drastic reduction in yellow berry content and sedimentation value was noted with the increasing fertility level. These quality parameters did not differ under biofertilizers þ 50% NPK compared with the 50% NPK. Highest net returns were accrued from 100% NPK followed by biofertilizers þ 50% NPK. Yield, quality parameters and net returns were the lowest under the unfertilized control.

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Impact of Biofertilizers on grain yield in spring wheat under varying fertility conditions and wheat-cotton rotation

Cited by 44 publications

References 9 publications

Influence of plant-growth-promoting bacteria on germination, growth and nutrients’ uptake ofOnobrychis sativaL. under drought stress

Influence of plant-growth-promoting bacteria on germination, growth and nutrients’ uptake ofOnobrychis sativaL. under drought stress

Synergistic effects of biofertilizer with organic and chemical N sources in improving soil nutrient status and increasing growth and yield of wheat grown under greenhouse conditions

Effect of biofertilizers and chemical fertilizers on productivity and quality parameters of durum wheat (Triticum turgidum) on a Vertisol of Central India

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