Effect of nitrogen and biofertilizers on yield, nitrogen use efficiency and some morpho-physiological traits of rice (Oryza sativa L. )

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Zad Behtoui Mahshid; SEYED SHARIFI RAOUF; Khalilzadeh Razieh

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Journal: Cereal Research Year:2019 | Volume:8 | Issue:4 Page(s): 409-421

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Title

Effect of nitrogen and biofertilizers on yield, nitrogen use efficiency and some morpho-physiological traits of rice (Oryza sativa L. )

Author(s)

Zad Behtoui Mahshid | SEYED SHARIFI RAOUF | Khalilzadeh Razieh | Issue Writer Certificate

Keywords

Grain filling rateQ2

MycorrhizaQ2

Plant growth promoting rhizobacteriaQ1

RemobilizationQ2

Abstract

To study the grain yield, nitrogen use efficiency, Remobilization and grain filling components of grain rice (Oryza sativa L. ) in response to application of nitrogen and biofertilizers, a factorial experiment based on randomized complete block design with three replications was conducted under field condition in Siahkal, Guilan province, Iran, in 2014. The experimental factors were nitrogen rates in four levels (0, 60, 90 and 120 kg. ha-1 N) from urea fertilizer and biofertilizers in four levels (without biofertilizer, application of Mycorrhiza, application of Azotobacter + Azospirillum and application of Mycorrhiza + Azotobacter + Azospirillum). The highest grain yield and grain filling components (rate, grain filling period and effective grain filling period) were obtained from the highest level of nitrogen and application of Mycorrhiza + Azotobacter + Azospirillum. Dry matter Remobilization from whole plant and stem decreased with increasing nitrogen levels. Application of Mycorrhiza + Azotobacter + Azospirillum together with 120 kg. ha-1 nitrogen reduced the contribution of dry mater Remobilization for grain yield and stem reserves. The highest nitrogen use efficiency was obtained from the 60 and 120 kg. ha-1 nitrogen, respevtively. The results of this research showed that the application of 120 kg. ha-1 net N and the application of Mycorrhiza with Azotobacter + Azospirillum can be used as a suitable tool to increase rice grain yield.

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APA: Copy

Zad Behtoui, Mahshid, SEYED SHARIFI, RAOUF, & Khalilzadeh, Razieh. (2019). Effect of nitrogen and biofertilizers on yield, nitrogen use efficiency and some morpho-physiological traits of rice (Oryza sativa L. ). CEREAL RESEARCH, 8(4 ), 409-421. SID. https://sid.ir/paper/368790/en

Vancouver: Copy

Zad Behtoui Mahshid, SEYED SHARIFI RAOUF, Khalilzadeh Razieh. Effect of nitrogen and biofertilizers on yield, nitrogen use efficiency and some morpho-physiological traits of rice (Oryza sativa L. ). CEREAL RESEARCH[Internet]. 2019;8(4 ):409-421. Available from: https://sid.ir/paper/368790/en

IEEE: Copy

Mahshid Zad Behtoui, RAOUF SEYED SHARIFI, and Razieh Khalilzadeh, “Effect of nitrogen and biofertilizers on yield, nitrogen use efficiency and some morpho-physiological traits of rice (Oryza sativa L. ),” CEREAL RESEARCH, vol. 8, no. 4 , pp. 409–421, 2019, [Online]. Available: https://sid.ir/paper/368790/en

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