Influence of different establishment methods of rice on the parameters of water, weed, growth and yield under rice - rice - blackgram system

Umamageshwari, C; Raju, M. S.; Subrahmanian, K.

doi:10.22271/chemi.2020.v8.i1s.8439

Cited by 2 publications

(2 citation statements)

References 5 publications

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“…The yield varied from 2.2 to 5.24 per cent over existing rice-ricepulse cropping system. These results are in conformity with finding of [11] who reported that inclusion of legume during summer/rabi in rice based cropping system resulted in an increased in productivity and profitability. At Thanjavur, among the three cropping system, higher Rice Grain Equivalent Yield (system productivity) was observed with Maize -Rice -Pulse (12502 kg ha -1 year -1 ) followed by Rice -Rice -Pulse (11779 kg ha -1 year -1 ) and Pulse -Rice -Pulse (10014 kg ha -1 year -1 ).…”

Section: Resultssupporting

confidence: 93%

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Diversification of suitable alternate cropping system for enhancing productivity, profitability and resource use efficiency in Cauvery delta zone of Tamil Nadu

Raju¹,

Subrahmaniyan²,

Porpaavai³

et al. 2020

Int. J. Chem. Stud.

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under irrigated conditions with an objective of alternate cropping system to get more remuneration. The treatments imposed such as pulsericepulse, maizericepulse and ricericepulse cropping systems in both Aduthurai and Thanjavur. The results revealed that higher rice grain equivalent yield, System productivity, Land use efficiency, Production efficiency and Relative economic efficiency were higher in pulsericepulse and maizericepulse system in Aduthurai and Thanjavur centres respectively. Similarly, the less water requirement was observed in the same systems. Based on the results obtained it is recommended that higher profit could be achieved in pulserice -pulse and Maize -rice -pulse systems in Aduthurai and Thanjavur respectively with consuming lesser water requirement.

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Section: Resultssupporting

confidence: 93%

“…Problems and prospects of rice production in different ecosystems vary greatly. Now-a-days, agriculture in general and rice farming in particular are facing threats of water and labour scarcity in the delta in alarming rate, besides energy usage for land preparation (Umamageshwari et al 2020) [11] .…”

Section: Introductionmentioning

confidence: 99%

Diversification of suitable alternate cropping system for enhancing productivity, profitability and resource use efficiency in Cauvery delta zone of Tamil Nadu

Raju¹,

Subrahmaniyan²,

Porpaavai³

et al. 2020

Int. J. Chem. Stud.

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Effect of silicon on morphological, physiological and biochemical characteristics in salinity tolerance in indica rice

Roshini¹,

Anbumalarmathi²

2023

Oryza

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Silicon application can increase plant tolerance to abiotic stress and enhance productivity. Seeds of two Rice varieties (ADT53: salinity susceptible and Co 53: salinity tolerance) were exposed to different concentrations of NaCl (25, 50, 75 and 100 mM), Silicon (Sodium metasilicate; 1, 1.5 and 2 mM) and a combination of both NaCl and Silicon to investigate the effect of silicon on seed germination, morphological, physiological and biochemical characteristics under salinity stress imposed for 15 days and also subjected to fresh water alone (control). Application of silicon enhances the germination rate of ADT 53 and Co 53 (90%) in 50mM NaCl + 2mM Si. Maximum shoot length was observed in ADT 53 (6.54 cm) and Co 53 (10 cm) in 25 mM NaCl + 2mM Si. Maximum root length was observed in ADT 53 (12.9 cm) and Co 53 (10 cm) in 50mM NaCl + 1mM Si. ADT 53 (33.3%) showed the highest percentage of chlorophyll-a in 25 mM NaCl + 1 mM Si and Co 53 (30%) in 75mM NaCl + 2 mM Si 100 mM NaCl + 2 mM Si. The highest percentage of Chlorophyll b was observed in ADT 53 (104%) in 25 mM NaCl + 2mM Si and Co 53 (95%) in 100 mM NaCl + 2 mM Si. Total chlorophyll content was maximum in ADT 53 (133%) in 25mM NaCl + 2mM Si and Co 53 (130%) in 75 mM NaCl + 2mM Si. Maximum carotenoid was observed in ADT 53 (240%) in 100 mM NaCl + 1.5 mM Si and Co 53 (273%)in 25 mM NaCl + 2 mM Si. Chlorophyll stability index was increased in ADT 53 (185.7%) in 100 mM NaCl + 2 mM Si and Co 53 (205.38%) in100 mM NaCl + 1.5 mM Si. Proline content was decreased in ADT 53(13%) in 25 mM NaCl + 1.5 mM Si and Co 53 (11%) in 100 mM NaCl + 1.5mM Si. MDA was found low in ADT 53 (11%) in 100 mM NaCl + 1.5 mM Si for and Co 53 (14%) in 50 mM NaCl + 2 mM Si. CAT activity was found low in ADT 53 (14%) in 25mM NaCl + 1.5 mM Si and Co 53 (16%) in 25 mM NaCl + 2 mM Si , 100 mM NaCl + 1.5mM Si. ADT 53 showed the on-par performance with salinity tolerant variety Co 53.

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Influence of different establishment methods of rice on the parameters of water, weed, growth and yield under rice - rice - blackgram system

Cited by 2 publications

References 5 publications

Diversification of suitable alternate cropping system for enhancing productivity, profitability and resource use efficiency in Cauvery delta zone of Tamil Nadu

Diversification of suitable alternate cropping system for enhancing productivity, profitability and resource use efficiency in Cauvery delta zone of Tamil Nadu

Effect of silicon on morphological, physiological and biochemical characteristics in salinity tolerance in indica rice

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