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Rice ecosystem
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In ebook "Ecology of cyanobacteria II: Their diversity in space and time" cyanobacteria have existed for 3.5 billion years, yet they are still the most important photosynthetic organisms on the planet for cycling carbon and nitrogen. The ecosystems where they have key roles range from the warmer oceans to many Antarctic sites. They also include dense nuisance growths in nutrient-rich lakes and nitrogen-fixers which aid the fertility of rice-fields and many soils, especially the biological soil crusts of arid regions.
753p
tachieuhoa
28-01-2024
4
2
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Interaction and genetic control for traits influencing the adaptation of the rice crop to varying environments was studied in a mapping population derived from parents (Moroberekan and Swarna) contrasting for drought tolerance, yield potential, lodging resistance, and adaptation to dry direct seeding.
14p
vinarcissa
21-03-2023
4
1
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In tidal submergence ecosystem, nitrogen (N) is a crucial nutrient for improved and sustainable rice production. Therefore, a series of on-farm and on-station field experiments were conducted to develop a suitable N management practice for tidal submergence tolerant landrace aman rice.
11p
schindler
30-12-2021
13
0
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In this paper, the researchers present a set of indicators built using 53 organic farmers in four districts of Chiang Mai province. The farmers were selected using snowball sampling and were interviewed and observed iteratively regarding guidelines of social-ecological resilience in agro-ecosystems.
8p
guernsey
28-12-2021
12
0
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Agricultural insects are one of the major threats to crop yield. It is a known fact that pesticide application is an extensive approach to eliminate insect pests, and has severe adverse effects on environment and ecosystem; however, there is lack of knowledge whether it could influence the physiology and metabolic processes in plants.
13p
viansan2711
30-07-2021
11
1
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A field experiment was carried out at Department of Agronomy, Anbil Dharmalingam Agricultural College and Research Institute, Trichy during Rabi, 2018 to study the effect of different weed management practices on nutrient removal, nutrient uptake andgrain yield of transplanted rice. The experiment was laid out in split plot design with four main plot and five sub plot treatments and replicated thrice. The experimental plot size was 20 m 2 . Main plot treatments were pre plant application of herbicides namely, glyphosate 2.5 kg ha-1 , glufosinate ammonium 1.0 kg ha-1 ,halosulfuron methyl 67.
12p
chauchaungayxua12
29-07-2021
14
1
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Sali rice areas were mapped from multispectral LISS IV images of Resourcesat-2A satellite by using standard visual interpretation technique. The study showed that sali rice was cultivated in 102574.3 ha area which is 4.6% of the total geographical area of Meghalaya and it is distributed in all 39 blocks of 11 districts of the state.
8p
caygaocaolon11
21-04-2021
7
1
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The study was conducted on Rice and Poultry entrepreneurs in Memari-1 block, Purba Barddhaman district of West Bengal, India. This has been conducted to assess their sociopersonal, agro-economical and techno-managerial skills. Several entrepreneurial aspects are considered in this study to portrait a well discernible picture of their entrepreneurship.
10p
chauchaungayxua10
18-03-2021
13
1
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Rainfed Agriculture had played a great role in the food security of India. A field experiment on sandy loam soil was conducted during Summer and kharif season of 2016 and 2017 at Biswanath College of Agriculture, Assam Agricultural University, Biswanath Charilai to study the effect of moisture conservation practices in terms of land configuration and residue management in direct seeded rice-greengram cropping sequence.
15p
chauchaungayxua11
23-03-2021
11
1
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There is a need to collect information on the off season survival of R. solani in rice ecosystem on different plant species. Considering the above reason, the present study was under taken by using different crops and weed species from rice growing ecosystem.
9p
trinhthamhodang1218
26-02-2021
3
1
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The present experiment was conducted in Adaptive Research Station, Sakhigopal, Puri to screen out the rice genotypes for submergence adaptation traits under agro-climatic ecosystem of Odisha. The present study indicated that among the selected genotypes “Varsadhan” contributed highest yield.
9p
gaocaolon9
22-12-2020
6
2
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The biochemical constituents of the rice plants contributing to resistance has been studied from time immemorial. In the present study the biochemical constituents in DSR and TPR ecosystem were compared so as understand the role of biochemical defense.
8p
gaocaolon9
22-12-2020
6
1
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Soil represents one of the most diverse habitats for more than a thousand million bacterial species present on the earth. The maintenance of soil quality, fertility and structure is essential for the protection of the biodiversity and integrity of terrestrial ecosystems. Introduction of anthropogenic chemicals into soil may have lasting effects on soil microbial activities and thus soil health. Chlorpyrifos is a broad spectrum organo phosphorus insecticide, displaying insecticidal activity against a wide range of insects and other arthropod pests.
12p
angicungduoc8
07-11-2020
11
1
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Colocasia or taro (Colocasia esculanta L.) is one of the important tuber crops, which has been grown by farmers in rain-fed ecosystem and considered as an important food crop after rice in Nagaland. The characterization of taro from 11 districts of Nagaland, Northeast India has been analyzed using microsatellite markers. Twenty eight microsatellite markers were used to analyze 50 accessions of taro collected from 11 district of Nagaland.
11p
angicungduoc8
07-11-2020
6
2
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A field experiment on seasonal abundance of rice leaf folder and its natural enemies under irrigated condition was carried out on farmer’ s fields in villages (Murchipur, Shivdaspur and Dabhasemar) of District- Faizabad (U.P). The incidence of leaf folder was relatively more in Kharif, 2013 as compared to Kharif, 2014.
11p
angicungduoc8
07-11-2020
8
1
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A field experiment was conducted during 2010-11 and 2011-12 on agricultural farm of Institute of agricultural Sciences, Banaras Hindu University, Varanasi to evaluate the effect of Integrated Nutrient Sources and chemical fertilizers on growth and development of rice under rice- wheat cropping system.
7p
chauchaungayxua8
03-10-2020
18
1
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A field experiment was conducted during 2010-11 and 2011-12 on agricultural farm of Institute of agricultural Sciences, Banaras Hindu University, Varanasi to evaluate the effect of Integrated Nutrient Sources and chemical fertilizers on growth and development of rice under rice- wheat cropping system.
11p
chauchaungayxua8
03-10-2020
15
1
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Rice (Oryza sativa L.) is one of the most important staple foods for more than half the world’s population and influences the livelihoods and economies of several billion people. Drought stress is the major constraint to rice production and yield stability in rainfed ecosystems. Efforts have been made to identify putative traits, which can confer drought resistance in rice grown under rainfed lowland.
8p
chauchaungayxua8
03-10-2020
10
1
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This study was designed to investigate the efficacy of the biocontrol isolates on growth promotion and ability in lowering the metal uptake by rice plant (variety MTU 7029) with two Trichoderma isolates namely MT-4 and UBT-18 both having tolerance towards cadmium. Substantial variations had been found in different treatments.
13p
trinhthamhodang1215
23-09-2020
10
2
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Rice cultivation is taken in flooded soil condition. This creates an anaerobic environment and harbours different group of anaerobes. The continued submergence of soil provides a reducing environment and effects a build-up of anaerobic ecosystem in which two unique processes namely methane emission and reductive transformation of nitrogen occur. But the role played by specific group of anaerobes with respect to nitrogen transformation is still obscure. A study was undertaken to assess the different groups of anaerobes in nitrogen transformation in flooded rice soils.
10p
trinhthamhodang1215
23-09-2020
11
2
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