Nutrient changes in direct-seeded submerged rice soils with varying nutrio-environments

Pande, Neerja; Samantaray, R. N.; Mohanty, S.

doi:10.1007/bf02182459

Cited by 8 publications

(9 citation statements)

References 7 publications

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“…This water management practice at the latter stage might have satisfied an oxidative condition of the soil and, hence, a decrease in pH. A slight decrease in pH at the flowering stage of a rice crop, due to the oxidative condition in the rhizosphere, has been reported (Pandey et al, 1985). At 75 DAT, pH under the mixed fertilization sources containing FA, OF and IF was higher (up to 3%) compared with the IF and control.…”

Section: Resultsmentioning

confidence: 93%

“…At 30 DAT, available P content declined under all the treatments. This decline might be due to absorption by the plant (Pandey et al, 1985) and Fertilizers for rice in a lateritic soil 165 adsorption on to the soil complex. For each fertilization source, available P contents at 45, 60, and 75 DAT were similar, which might be due to an equilibrium attained after the initial adsorptiondesorption reaction, which occurred after soil puddling, plant uptake, and addition of fertilizers.…”

Section: Resultsmentioning

confidence: 96%

“…However, a decrease in NH 4 ' -N content for these treatments was noted up to 60 DAT. This could be largely attributed to plant uptake (Pandey et al, 1985) and loss through volatilization and denitrification. The remaining treatments received a sum of 90 kg N at planting, and at 18 and 35 DAT.…”

Section: Resultsmentioning

confidence: 99%

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Nutrient dynamics, dehydrogenase activity, and response of the rice plant to fertilization sources in an acid lateritic soil

Rautaray

2005

Acta Agriculturae Scandinavica, Section B - Soil & Plant Sc

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Rice variety IR 36, grown under flooding, was studied in 1998 to determine the effects of fly ash, organic, and inorganic fertilizers on changes in pH and organic carbon, release of nutrients (NH 4 ' -N, Bray's P, and NH 4 OAc K), and dehydrogenase activity in an acid lateritic soil at 15-day intervals. Application of fly ash at 10 t ha (1 alone did not improve the availability of NH 4 ' -N, or P, as well as the rice grain yield. Availability of NH 4 ' -N (35.3 Á/36.9 mg kg (1 ), and P (12.3 Á/14.6 mg kg (1 ) at 15 days after transplanting, and rice grain yields (48.0 Á/51.7 g per pot) were similar under the various fertilization sources such as inorganic fertilizer alone, inorganic fertilizer'/fly ash or inorganic fertilizer'/green manure'/fly ash. Mean dehydrogenase activity was the highest (8.47 mg triphenyl formazon g (1 24 h (1 ) under the mixed fertilization treatments with green manure. At the end of the cropping season (75 days after transplanting), pH, organic carbon, and dehydrogenase activity were higher under the mixed fertilization treatments involving green manure by 3, 15 and 154%, respectively, compared with the inorganic fertilizer alone.

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Section: Resultsmentioning

confidence: 93%

Section: Resultsmentioning

confidence: 96%

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Nutrient dynamics, dehydrogenase activity, and response of the rice plant to fertilization sources in an acid lateritic soil

Rautaray

2005

Acta Agriculturae Scandinavica, Section B - Soil & Plant Sc

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“…However, drainage may prove to be harmful if it is provided in some growth stages when rice requires more water. Though some researchers worked on the effect of drainage on the productivity of rice, the specific growth stage and duration of drainage could not be well established (Pande et al 1985;Gupta et al 1992). Hence the identification *Corresponding author.…”

Section: Studies On Performance Of Rice As Influenced By Drainage In mentioning

confidence: 98%

Studies on performance of rice as influenced by drainage in Eastern India

Brahmanand

Ghosh

Chandra

et al. 2009

Archives of Agronomy and Soil Science

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Field experiments were conducted in WTCER research farm, Mendhasal and in the farmer's field at Bishwanathpur, Orissa, India, during two crop years to assess the performance of rice as influenced by drainage at different growth stages. In the first experiment, scented rice variety CR-689-113 was tested with drainage at different growth stages in the main plot and nitrogen levels in the sub plots. In the second experiment, rice variety Swarna was investigated and drainage at different growth stages was provided under the best nitrogen level. The results revealed that drainage at the tillering stage recorded significantly higher grain yield than drainage at all other crop stages. The grain yield of rice was found to be increased by 19-22% when drainage was provided at the tillering stage for an 8-10 day period relative to that of no drainage treatment. However, drainage at the panicle initiation stage recorded the lowest grain yield. Nitrogen at 60 kg ha 71 resulted in higher grain yield. Crop growth rate and nitrogen use efficiency were found to be higher when drainage was given at the tillering stage.

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“…Conventional production of lowland rice involves puddling of the field (Farooq et al, 2011). This technique has its drawbacks such as modification of physico-chemical properties of submerged soil that could negatively affect plant growth and yield (Pande et al, 1985;Wade et al, 1998). Transplanting had been the major seeding method especially for lowland rice, but the cost of its establishment (Chan and Nor, 1993) and the problem of water use efficiency and conservation (Gill et al, 2006) remain its major drawbacks.…”

Section: Introductionmentioning

confidence: 99%

Yield response and economic implications of soybean (Glycine max (L.). Merrill) – lowland-upland rice sequential cropping in the rainforest/savanna transitory ecosystem

Soremi

Sakariyawo

Okeleye

et al. 2017

AAS

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A sequential cropping system of soybean-lowland (NERICA L-42)-upland (NERICA 2) rice was established at Abeokuta and Ibadan (Nigeria) to evaluate the performance of the cropping system. Field trials were in split-split plot arrangement fitted into randomised complete block design and replicated three times. The first sequence had in the main plot tillage [minimum (MT) and conventional (CT)]. Soybean varieties TGx 1448-2E (V1) and TGx 1740-2F (V2) in subplot and spacing in sub-sub plot were 60 cm × 5 cm (R1), 60 cm × 10 (R2) and 60 cm × 15 cm (R3). Individual rice plots were established by dry dibble (DD) seeding and transplanting and sub-sub plot spacing were 15 cm × 15 cm (S1), 20 cm × 20 and 25 cm (S2) × 25 cm (S3). The sequence soybean (V1 CT R3); lowland and upland rice (S3 CT DD) was the most economically efficient (N 1,754 ha -1 day -1 ) in Abeokuta, while soybean (V1 MT R1) and lowland and upland rice (S1 DD MT) was the most economically efficient (N 1,858 ha -1 day -1 ) in Ibadan.

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Nutrient changes in direct-seeded submerged rice soils with varying nutrio-environments

Cited by 8 publications

References 7 publications

Nutrient dynamics, dehydrogenase activity, and response of the rice plant to fertilization sources in an acid lateritic soil

Nutrient dynamics, dehydrogenase activity, and response of the rice plant to fertilization sources in an acid lateritic soil

Studies on performance of rice as influenced by drainage in Eastern India

Yield response and economic implications of soybean (Glycine max (L.). Merrill) – lowland-upland rice sequential cropping in the rainforest/savanna transitory ecosystem

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