Evaluating the effect of phosphatic fertilizers on soil and plant P availability and maximising rice crop yield

Jemila, C.; Saliha, B. Bhakiyathu; Udayakumar, Seshachalam

doi:10.5958/2249-5266.2017.00042.x

Cited by 7 publications

(3 citation statements)

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“…The maximum available P was recorded in treatments which received vermicompost that might be due to the mobilization of soil P by the acidification of soil and the release of enzymes such as phosphatases and phytases of carboxylates such as gluconates and oxalates (Jones and Oburger, 2011) [11] . Similar results were observed by Hossain et al (2010) [7] and Jemila et al (2017) [10] . The lowest available-P was recorded in treatment M1i.e., control (34.22, 32.83, 32 and 36.48, 33.6, 32.36 kg ha -1 during 2018 and 2019 respectively)at tillering, panicle initiation, harvest stages.…”

Section: Available Phosphorussupporting

confidence: 89%

Direct and residual effect of integrated nitrogen management on available macro nutrient status of soil under rice-maize cropping system

Dkd¹,

Rao²,

Pv³

et al. 2020

Int. J. Chem. Stud.

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A field experiment was conducted at Agricultural college farm, Bapatla during 2018-19 and 2019-20 to find out the direct and residual effect of integrated nitrogen management on available nutrients under rice maize cropping system in sandy clay loam soil. The results revealed an improvement in available N, P2O5, K2O with combined application of organics and inorganics over complete organic and control treatments.Application of 100% RDF recorded higher soil available N, P2O5 and K2O and it was on par with the treatments which received 50% N through inorganics + 50 % N through vermicompost or GLM respectively. Available N and P2O5 have shown significant difference with application of different nitrogen management treatments in kharif and different fertilizer doses in rabi. Available potassium was not significantly influenced by different treatments applied in kharif but significant differences were observed with application of different levels of N, P, K in rabi.

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Section: Available Phosphorussupporting

confidence: 89%

Direct and residual effect of integrated nitrogen management on available macro nutrient status of soil under rice-maize cropping system

Dkd¹,

Rao²,

Pv³

et al. 2020

Int. J. Chem. Stud.

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“…The maximum available P recorded in treatments with green leaf manuring may be due to the mobilization of soil P by the acidification of soil and the release of enzymes phosphatases and phytases of carboxylates such as gluconates and oxalates [11]. Similar results were observed by Jemila et al [12]. At all growth stages of rice, among the P levels, the significantly higher soil available P content was observed with the P5 (62.22, 60.07, 57.98, 69.40, 66.59 and 64.15 kg ha -1 ) in 2017 and 2018, respectively and this treatment was significantly superior over P2 and P1.…”

Section: Phosphorussupporting

confidence: 83%

Effect of Organic Manures and Phosphorus on Soil Nutrient Status in Kharif Rice

Rao,

Prasad

et al. 2023

IJECC

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Field experiments were conducted at Agricultural College Farm, Bapatla during Kharif and Rabi seasons of 2017-2018 and 2018-2019 to study the Phosphorus dynamics in relation to nutrient management in rice- blackgram cropping sequence with respect to changes in soil nutrient status. Results of two years (2017-2019) experimentation revealed that at all growth stages of rice, significantly highest available nitrogen, phosphorus and potassium in soil were recorded with application of RDNK+Dhaincha @ 10t ha-1 (M3) and this was on par with RDNK+ Sunhemp @ 10t ha-1(M2), whereas lowest was recorded in RDNK (M0) alone in both seasons of study. Among the P levels the available nutrient status (N, P and K) were increased with the increasing level of P from 0 (P1) to 120 kg P2O5 (P5) ha-1, irrespective of the nutrients imposed to rice crop. Significantly highest was recorded in P5 (120 kg P2O5 ha-1) and this was on par with P4 (90 kg P2O5 ha-1), whereas the lowest was recorded in treatment P1 that received 0 kg P2O5 ha-1.

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“…The maximum available P recorded in treatments with green leaf manuring may be due to the mobilization of soil P by the acidification of soil and the release of enzymes such as phosphatases and phytases of carboxylates such as gluconates and oxalates [15]. Similar results were observed by Hossain et al [16] and Jemila et al [17].…”

Section: Available Nitrogensupporting

confidence: 73%

Effect of Integrated Nutrient Management Practices on Available Nutrient Status of Soil under Rice-Sorghum Cropping System in Clay Loamy Soils

Krishna¹,

Rao²,

Subbaiah³

et al. 2022

IJECC

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A field experiment was conducted for two consecutive years 2020-2021 and 2021-2022 on clay loam soil at Agricultural College Farm, Bapatla to study the direct and residual effect of integrated use of organics and inorganics on soil nutrient status under rice-sorghum cropping system. The results revealed that at all the growth stages of rice, the highest available nitrogen, phosphorus and potassium were recorded with the application of 100% RDF + 25% N through GLM (T8) and this was on par with T9 (100% RDF + 12.5% N through FYM + 12.5% N through GLM), T3 (125% RDF through inorganic fertilizers) and T7 (100% RDF + 25% N through FYM, whereas the highest available sulphur was recorded in 100% RDF + 25% N through GLM (T8) and it was on par with T9 (100% RDF + 12.5% N through FYM + 12.5% N through GLM) and T7 (100% RDF + 25% N through FYM during 2020 and 2021. In succeeding sorghum, significantly highest soil available N, P2O5, K2O and sulphur were recorded in T9 (100% RDF + 12.5% N through FYM + 12.5% N through GLM) and it was on par with T8 (100% RDF + 25% N through GLM) and T7 (100% RDF + 25% N through FYM) during both the years of study. Irrespective of the treatments applied to rice crop, the sub plot that received 100% RDF (S3) in rabi recorded significantly highest soil available nutrients at all stages of crop which was on par with 75% RDF (S2) except available sulphur whereas increased NPK levels from 75% RDF (S2) to 100% RDF(S3) did not show any significant difference and lowest was recorded in control (S1) during both the years of study, respectively.

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Evaluating the effect of phosphatic fertilizers on soil and plant P availability and maximising rice crop yield

Cited by 7 publications

References 0 publications

Direct and residual effect of integrated nitrogen management on available macro nutrient status of soil under rice-maize cropping system

Direct and residual effect of integrated nitrogen management on available macro nutrient status of soil under rice-maize cropping system

Effect of Organic Manures and Phosphorus on Soil Nutrient Status in Kharif Rice

Effect of Integrated Nutrient Management Practices on Available Nutrient Status of Soil under Rice-Sorghum Cropping System in Clay Loamy Soils

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