Relationship between tillage management and DMPSA nitrification inhibitor efficiency

Corrochano-Monsalve, Mario; Huérfano, Ximena; Menéndez, S.; Torralbo, Fernando; Fuertes‐Mendizábal, Teresa; Estavillo, J. M.; González‐Murua, Carmen

doi:10.1016/j.scitotenv.2019.134748

Cited by 28 publications

(23 citation statements)

References 59 publications

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“…In addition, intensively cultivated soils are frequently prone to erosion and disruption of the soil structure and changes in moisture regime. A significant risk of long-term intensive tillage is the low water retention in the landscape, deteriorating water quality due to leaching of nutrients from the soil and last but not least groundwater pollution by nitrates and pesticides [5][6][7].…”

Section: Introductionmentioning

confidence: 99%

Influence of Tillage on the Production Inputs, Outputs, Soil Compaction and GHG Emissions

et al. 2021

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Fertilizer inputs, crop yields, the composition of technological operations and intensity of treatment with different types of pesticides in both basic approaches were evaluated. A comprehensive comparison of impacts showed that all crops, except sugar beet, achieved better economic and emission parameters of production based on the evaluation of GHG production by using reduced tillage compared to ploughing. The total reduction of GHG emissions based on CO2eq on average of all crops per ton as a result of the technological processes was 6% using reduced tillage. The most significant CO2eq reductions were achieved for rye and oat (13%), and spring barley (8%). The reduction of crop yields ranges from about 1% (spring barley) to 4% (grain maize). Cost reduction per tone was in the range of 14% (rye) to 2% (silage maize). The energy gain was at reduced tillage improved at poppy (8%), rape (4%), oat (3%), rye (3%) and spring and winter barley (2%). From the evaluation of the number of chemical protections, a lower number of total protections was found at the no-till system for most crops. In most cases, there was no difference between ploughing and reduced tillage. There was an increase in specific nitrogen consumption per tonne of production in marginal areas, reduced tillage led to an increase in soil compaction.

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Section: Introductionmentioning

confidence: 99%

Influence of Tillage on the Production Inputs, Outputs, Soil Compaction and GHG Emissions

et al. 2021

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“…Often, a stimulatory growth response is observed in wheat, when 15 to 30% of NO 3 − is replaced with NH 4 + in nutrient solutions (17,18). Synthetic nitrification inhibitors (SNIs) have been shown to suppress N 2 O emissions, reduce N losses, and improve agronomic NUE in several cereal crops including wheat (6,(19)(20)(21). However, the lack of cost effectiveness, inconsistency in field performance, inability to function in tropical environments, and the concerns related to the entering of SNIs into food chains have limited their adoption in production agriculture (6,7,19,20).…”

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confidence: 99%

Enlisting wild grass genes to combat nitrification in wheat farming: A nature-based solution

Subbarao

Kishii

Bozal-Leorri

et al. 2021

Proc. Natl. Acad. Sci. U.S.A.

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Active nitrifiers and rapid nitrification are major contributing factors to nitrogen losses in global wheat production. Suppressing nitrifier activity is an effective strategy to limit N losses from agriculture. Production and release of nitrification inhibitors from plant roots is termed “biological nitrification inhibition” (BNI). Here, we report the discovery of a chromosome region that controls BNI production in “wheat grass” Leymus racemosus (Lam.) Tzvelev, located on the short arm of the “Lr#3Nsb” (Lr#n), which can be transferred to wheat as T3BL.3NsbS (denoted Lr#n-SA), where 3BS arm of chromosome 3B of wheat was replaced by 3NsbS of L. racemosus. We successfully introduced T3BL.3NsbS into the wheat cultivar “Chinese Spring” (CS-Lr#n-SA, referred to as “BNI-CS”), which resulted in the doubling of its BNI capacity. T3BL.3NsbS from BNI-CS was then transferred to several elite high-yielding hexaploid wheat cultivars, leading to near doubling of BNI production in “BNI-MUNAL” and “BNI-ROELFS.” Laboratory incubation studies with root-zone soil from field-grown BNI-MUNAL confirmed BNI trait expression, evident from suppression of soil nitrifier activity, reduced nitrification potential, and N2O emissions. Changes in N metabolism included reductions in both leaf nitrate, nitrate reductase activity, and enhanced glutamine synthetase activity, indicating a shift toward ammonium nutrition. Nitrogen uptake from soil organic matter mineralization improved under low N conditions. Biomass production, grain yields, and N uptake were significantly higher in BNI-MUNAL across N treatments. Grain protein levels and breadmaking attributes were not negatively impacted. Wide use of BNI functions in wheat breeding may combat nitrification in high N input–intensive farming but also can improve adaptation to low N input marginal areas.

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“…In addition, the number of tillers is an agronomic indicator of growth, productivity and pasture persistence (SCHENEITER & ASSUERO, 2010). However, selection for tillering in plant breeding has been questioned as a selection criterion for all species (FASOULA et al, 2020), due to the complexity of genetic control and also due to the differential response to edaphoclimatic conditions and management systems (CORROCHANO-MONSALVE et al, 2020).…”

Section: Resultsmentioning

confidence: 99%

Dissimilarity between Andropogon lateralis ecotypes under different defoliation frequencies and heights

et al. 2022

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Andropogon lateralis Nees is a native grass of southern Brazil and is one of the most frequent specie found in native grasslands. The species is widely distributed and has a high degree of phenotypic plasticity, which makes it highly adaptable to different edaphoclimatic conditions and management. This study aimed to evaluate the behavior of twelve ecotypes of A. lateralis, collected in different regions of the state of Rio Grande do Sul and cut to three different heights and subjected to two different defoliation frequencies. From September to February, the ecotypes were evaluated for total dry matter, leaf and stem yields. In addition, total, vegetative and reproductive tillers and plant height were measured. These characteristics are important for the selection of superior genotypes in terms of genetic variability and forage production. Total dry matter and leaf dry matter are characteristics with agronomic importance and they showed the highest correlation (r = 0.77), enabling an indirect selection for one of these characteristics. The natural selection of plants resulted in distinct structural, morphological and productive characteristics with heterogeneity that allows the selection and grouping according to the characteristics, ecotypes with superior agronomic characteristics can be included in breeding programs.

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Relationship between tillage management and DMPSA nitrification inhibitor efficiency

Cited by 28 publications

References 59 publications

Influence of Tillage on the Production Inputs, Outputs, Soil Compaction and GHG Emissions

Influence of Tillage on the Production Inputs, Outputs, Soil Compaction and GHG Emissions

Enlisting wild grass genes to combat nitrification in wheat farming: A nature-based solution

Dissimilarity between Andropogon lateralis ecotypes under different defoliation frequencies and heights

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