Anaerobic environment in rice soil is responsible for gaseous loss of fertilizer nitrogen by

1 Answer

Answer :

Ans.Denitrification

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Description : In low land rice, fertilizer is applied in

Last Answer : Ans.Reduced zone only

Description : The best fertilizer for top dressing in rice?

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Description : Nitrogen use efficiency in rice is around

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Description : The nitrogen fixing bacterium found on root surface of rice

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Description : Weed caused relatively more loss in rice productivity, when it is

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Description : As a source of N, potato crop require fertilizer of

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Description : The recommended fertilizer dose (N:P:K) for fodder and fibre crops are

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Description : The recommended fertilizer dose (N:P:K) for oilseed crops are

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Description : The recommended fertilizer dose (N:P:K) for pulse crops are

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Description : The recommended fertilizer dose (N:P:K) for cereal crops are

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Description : The slow rate of decomposition of fallen logs in nature is due to their (a) anaerobic environment around them (b) low cellulose content (c) low moisture content (d) poor nitrogen content.

Last Answer : (d) poor nitrogen content.

Description : Which two distinct microbial processes are responsible for the release of fixed nitrogen as dinitrogen gas (N2) to the atmosphere? (a) Aerobic nitrate oxidation and nitrite reduction (b) ... fixation by Rhizobium in root nodules of legumes (d) Anaerobic ammonium oxidation and denitrification

Last Answer : (d) Anaerobic ammonium oxidation and denitrification

Description : What is the Critical Period of Crop-Weed Competition for Upland rice condition?

Last Answer : Ans.Entire period of crop growth

Description : What is the Critical Period of Crop-Weed Competition for transplanted rice?

Last Answer : Ans.30-45 DAS

Description : Mimicry weeds of rice and wheat is

Last Answer : Ans.Phalaris and wild rice

Description : Water requirement of rice is

Last Answer : Ans.90-250 cm

Description : Irrigation method suitable for lowland rice and jute

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Description : Hydrothermal process of rice which saves vitamin B12?

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Description : Killer disease of rice are

Last Answer : Ans.Bacterial Leaf Blight (BLB) and Tungro virus

Description : Dead heart and white ear of rice is caused by

Last Answer : Ans.Yellow stem borer

Description : White eye of rice is caused by

Last Answer : Ans.Fe deficiency.

Description : Polish percentage of rice is

Last Answer : Ans.2%

Description : Common herbicide used in rice crop field?

Last Answer : Ans.Anilophos and Butachlor.

Description : Most dominated weed species in rice field is

Last Answer : Ans.Echinochloa spp.

Description : Gas emitted from rice field is

Last Answer : Ans.CH4 (Methan).

Description : Super rice variety is

Last Answer : Ans.Lunishree

Description : The deep water rice are

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Description : The Blast resistance varieties of rice is

Last Answer : Ans.Tulsi, IR64

Description : The Gall midge resistance varieties of rice is

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Description : Aroma in rice is due to presence of

Last Answer : Ans.“Di-acetyl 1 propaline” chemical

Description : The most important critical stage of rice for irrigation

Last Answer : Ans.Tillering to flowering stage

Description : For correction of iron chlorosis in rice, following spray is recommended

Last Answer : Ans.1%solution of ferrous sulphate

Description : The recommended dose of N, P and K for rice crop

Last Answer : Ans.100:60:40 kg ha–1

Description : Most prominent cropping pattern of rice in India?

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Description : The nursery area required for providing seedlings for transplanting 1 ha rice field

Last Answer : Ans.1000 m2 (1/10 ha)

Description : In rice ‘Dapog seedlings’ are ready for transplanting

Last Answer : Ans.11-14 DAS

Description : Under SRI method, rice plant is transplanted at

Last Answer : Ans.10-12 DAS (Days After Sowing)

Description : Normally rice plant is transplanted at

Last Answer : Ans.21-25 days after sowing (3-4 leaf stage)

Description : The rice variety called ‘miracle rice’ is

Last Answer : Ans.IR-8

Description : First intervarietal cross variety of rice?

Last Answer : Ans.Jaya (TN1 = T141)

Description : Hulling percentage of rice is

Last Answer : Ans.70-75%

Description : The tillage implement, most suitable for rice cultivation is

Last Answer : Ans.Power tiller

Description : The best system of rice culture is

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Description : Best pH for cultivation of rice is

Last Answer : Ans.4-6 pH

Description : Optimum temperature for good rice crop growth is

Last Answer : Ans.30-320C

Description : Rice inflorescence is called as

Last Answer : Ans.Panicle