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rice fields

Comparison of aquatic macrophyte community structure between natural wetlands and rice fields with different cultivation ages

Comparison of aquatic macrophyte community structure between natural wetlands and rice fields with different cultivation ages

... Brazilian rice fields and natural wetlands (Linke et ...these rice fields differed from other studies in which emergent and amphibious species predominated ( Linke et ...studied rice ...

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RED EUGLENOID BLOOMS: A BIOMARKER OF ENVIRONMENTAL IMPACT IN FLOODED RICE FIELDS

RED EUGLENOID BLOOMS: A BIOMARKER OF ENVIRONMENTAL IMPACT IN FLOODED RICE FIELDS

... The nutrient load introduced into flooded rice fields is one of the main factors that impact this type of ecosystem, contributing to the development of blooms of pigmented euglenoids. This study was carried ...

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Greenhouse gas emissions from Indian rice fields: calibration and upscaling using the DNDC model

Greenhouse gas emissions from Indian rice fields: calibration and upscaling using the DNDC model

... There are uncertainties in estimation of GHG emissions from Indian rice fields because of its diverse soil and climate conditions and socio-economic status of the farmers. More- over, various crop ...

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Diet and resource partitioning among anurans in irrigated rice fields in Pantanal, Brazil

Diet and resource partitioning among anurans in irrigated rice fields in Pantanal, Brazil

... irrigated rice fields in the Pantanal ...in rice fields compared to other locations, according to available records in the literature, was the increased importance of Hemipitera and Orthoptera ...

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Effects of Residue Management on Decomposition in Irrigated Rice Fields Are Not Related to Changes in the Decomposer Community.

Effects of Residue Management on Decomposition in Irrigated Rice Fields Are Not Related to Changes in the Decomposer Community.

... to fields will favor different groups of ...in fields with lower tillage ...in rice fields in India. Whether incorporated or not, the use of rice straw as a fertilizer in irrigated ...

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Hot spots for diversity of Magnaporthe oryzae physiological races in irrigated rice fields in Brazil

Hot spots for diversity of Magnaporthe oryzae physiological races in irrigated rice fields in Brazil

... irrigated rice fields in the Araguaia River Valley, state of Tocantins, ...of rice blast has heavily affected rice production in the ...international rice blast differential ...

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A Markov Random Field Model for Image Segmentation of Rice Planthopper in Rice Fields

A Markov Random Field Model for Image Segmentation of Rice Planthopper in Rice Fields

... as rice planthopper, which are the chief rice ...of rice fields were infested by the rice planthopper in Jiangsu Province ...the rice planthopper has risen as a main threat to ...

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Pesticide occurrence in groundwater near irrigated rice fields.

Pesticide occurrence in groundwater near irrigated rice fields.

... PESTICIDE OCCURRENCE IN GROUNDWATER NEAR IRRIGATED RICE FIELDS. The objective this study was to monitor pesticide residues in groundwater at three different times and in seven regions producing rice ...

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Insect diversity in organic rice fields under two management systems of levees vegetation

Insect diversity in organic rice fields under two management systems of levees vegetation

... with rice cultivation and determine their ecological guilds can provide information about the composition and structure of such ecosystems, which can be applied to integrated pest ...irrigated rice ...

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Comparative study of the microbial diversity of bulk paddy soil of two rice fields subjected to organic and conventional farming

Comparative study of the microbial diversity of bulk paddy soil of two rice fields subjected to organic and conventional farming

... for rice soil did not follow the pattern described by other authors, who compared different agricultural procedures for other crops (Carpenter-Boggs et ...contrast, rice field soil studies of Sheng et ...

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Returning Winter Cover Crop Residue Influences Soil Aggregation and Humic Substances under Double-cropped Rice Fields

Returning Winter Cover Crop Residue Influences Soil Aggregation and Humic Substances under Double-cropped Rice Fields

... double-cropped rice (Oryza sativa L.) system in South China fields were ...used: rice-rice-ryegrass (Ry-R-R), rice-rice-Chinese milk vetch (Mv-R-R), ...

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Rev. Saúde Pública  vol.28 número6

Rev. Saúde Pública vol.28 número6

... et al, Studies on mosquitoes (Diptera: Culicidae) and anthropic environment, 6 - Breeding in empty conditions of rice fields in South-Eastern Brazil.. Studies on culicid breeding in empt[r] ...

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Occurrence of the rice root nematode Hirschmanniella oryzae on monsoon rice in Myanmar

Occurrence of the rice root nematode Hirschmanniella oryzae on monsoon rice in Myanmar

... the rice- rice cropping sequence is the most common rotation and the farmers use the same rice variety for the monsoon and summer rice growing ...of rice cultivation ...the ...

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Richness and density of aquatic benthic macroinvertebrates after exposure to fungicides and insecticides in rice paddy fields

Richness and density of aquatic benthic macroinvertebrates after exposure to fungicides and insecticides in rice paddy fields

... the rice paddy crop prior to the first year may have favored the establishment of species in this period, while in the second year of the experiment, the construction of bunds, destruction of bunds and soil ...

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Responses of water mite assemblages (Acari) to environmental parameters at irrigated rice cultivation fields and native lakes

Responses of water mite assemblages (Acari) to environmental parameters at irrigated rice cultivation fields and native lakes

... All rice areas from which samples were taken for this sur- vey had been cultivated for three months, and were in the mid to late vegetative phase (tillering to stem elongation) to mid to late reproductive phase ...

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E FFECT OFZ ONE ANDC ROPSR OTATION ON Ischaemum rugosum

E FFECT OFZ ONE ANDC ROPSR OTATION ON Ischaemum rugosum

... in rice fields in relation to the geographical zone and crop rotation and (2) the resistance level of Ischaemum rugosum to the herbicide ...commercial fields of rice to establish weed density, ...

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Rhizoctonia solani AG-1 IA infects both rice and signalgrass in the Colombian Llanos

Rhizoctonia solani AG-1 IA infects both rice and signalgrass in the Colombian Llanos

... of rice in Colombia. The predominance of R. oryzae-sativae in the two rice sampling areas in the Colombian Llanos (71 % of the population sampling) is particularly important for disease management, since ...

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BACTERIAL DIVERSITY IN RICE-FIELD WATER IN RIO GRANDE DO SUL Maria Helena Lima Ribeiro Reche1 ; Lídia Mariana Fiuza 1,2

BACTERIAL DIVERSITY IN RICE-FIELD WATER IN RIO GRANDE DO SUL Maria Helena Lima Ribeiro Reche1 ; Lídia Mariana Fiuza 1,2

... Thus, rice-fields demand managerial care, requiring an increase on quantity and quality of production, with less environmental ...irrigated rice fields in RS, through enumeration and ...

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Spatial analyses for policy evaluation of the rural world: Portuguese agriculture in the last decade

Spatial analyses for policy evaluation of the rural world: Portuguese agriculture in the last decade

... land, rice fields, vineyards, fruit trees and bushes, olive groves and ...of rice fields and pastures there is a bimodal distribution with the highest concentration points at 15 km and 30 km ...

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Rev. Saúde Pública  vol.30 número4

Rev. Saúde Pública vol.30 número4

... study covering the 1994-1995 cultivation cycle, this agreement was observed. Thus greater abundance, both in the rice fields and in the dwellings, was seem November on. Probably the use of the human bait ...

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