Planting legume cover crop as a strategy to replace synthetic N fertilizer applied for sugarcane production

Otto, Rafael; Pereira, Greice Leal; Tenelli, Sarah; Carvalho, João Luís Nunes; Lavres, José; Castro, Saulo Augusto Quassi de; Lisboa, Izaías Pinheiro; Sermarini, Renata Alcarde

doi:10.1016/j.indcrop.2020.112853

Cited by 21 publications

(13 citation statements)

References 60 publications

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“…These non‐N benefits associated sunn hemp cultivation include the less incidence of weed/pathogens, and improvement of soil quality (Bordonal et al, 2018; Fernandes et al, 2012; Perin et al, 2004). In addition to the potential of increasing sugarcane yields, Otto et al (2020) found that sunn hemp reduced the need for N fertilization in sugarcane crop. Similarly, in Australian conditions Park et al (2010) observed that adoption of legumes in replanting period could substantially reduce the need for N fertilization along the crop cycle.…”

Section: Discussionmentioning

confidence: 99%

The effects of integrated food and bioenergy cropping systems on crop yields, soil health, and biomass quality: The EU and Brazilian experience

et al. 2022

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Integrated food and bioenergy production is a promising way to ensure regional/national food and energy security, efficient use of soil resources, and enhanced biodiversity, while contributing to the abatement of CO2 emissions. The objective of this study was to assess alternative crop rotation schemes as the basis for integrating and enhancing the sustainable biomass production within the food‐energy agricultural context. Sunn hemp (Crotalaria spp.) in rotation with wheat (Triticum spp.) in the EU and with sugarcane (Saccharum spp.) in Brazil were evaluated. Sunn hemp did not negatively affect crop's productivity and soil fertility; wheat grain yields were maintained around the mean regional production levels (6, 7, 3 and Mg ha−1 in Greece, Italy, and Spain, respectively), and the cumulative biomass in the extended rotation (wheat straw+sunn hemp) was between 1.5 and 2.0 times higher than in the conventional rotation. In Brazil, sugarcane stalks yield in clay soils increased by around 15 Mg ha−1 year−1 under sunn hemp rotation in comparison with bare fallow. Moreover, sunn hemp in the EU rotations did not have negative effects on soil available macronutrients, organic matter, pH, and cation exchange capacity, neither on C and N stocks in Brazil. The qualitative characteristics (mineral, ash, and hemicelluloses contents) of the cumulated biomass were somehow higher (in average +26%, +35%, and +3.4%, respectively) than in the conventional system. In summary, in temperate and tropical climates the integration of dedicated biomass legume crops within conventional systems could lead to enhanced biomass availability, crop diversification, and efficient use (in space and time) of the land resources.

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Section: Discussionmentioning

confidence: 99%

The effects of integrated food and bioenergy cropping systems on crop yields, soil health, and biomass quality: The EU and Brazilian experience

et al. 2022

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“…Together with the non-linear responses of N 2 O+N 2 losses and their contribution to fertiliser 15 N loss, these results indicate that increasing N fertiliser rates result in lower NUE and higher environmental costs but also don't prevent soil N mining. Maintaining crop productivity while reducing environmental impacts therefore requires N fertiliser rate strategies integrated with additional measures such as the use of enhanced efficiency fertilisers (Connellan & Thompson, 2022) and rotation with legume crops (Otto et al, 2020). Refinements of the global N budget require the effects of cropping systems and site conditions on RN 2 O to be incorporated.…”

Section: Manuscript Submitted To Global Biogeochemical Cyclesmentioning

confidence: 99%

Denitrification losses in response to N fertiliser rates - a synthesis of high temporal resolution N2O, in-situ 15N2O and 15N2 measurements and fertiliser 15N recoveries in intensive sugarcane systems

Takeda

Friedl

Kirkby

et al. 2022

Preprint

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Denitrification is a key process in the global nitrogen (N) cycle, causing both nitrous oxide (N2O) and dinitrogen (N2) emissions. However, estimates of seasonal denitrification losses (N2O+N2) are scarce, reflecting methodological difficulties in measuring soil-borne N2 emissions against the high atmospheric N2 background and challenges regarding their spatio-temporal upscaling. This study investigated N2O+N2 losses in response to N fertiliser rates (0, 100, 150, 200 and 250 kg N ha-1) on two intensively managed tropical sugarcane farms in Australia, by combining automated N2O monitoring, in-situ N2 and N2O measurements using the 15N gas flux method and fertiliser 15N recoveries at harvest. Dynamic changes in the N2O/(N2O+N2) ratio (< 0.01 to 0.768) were explained by fitting generalised additive mixed models (GAMMs) with soil factors to upscale high temporal-resolution N2O data to daily N2 emissions over the season. Cumulative N2O+N2 losses ranged from 12 to 87 kg N ha-1, increasing non-linearly with increasing N fertiliser rates. Emissions of N2O+N2 accounted for 31–78% of fertiliser 15N losses and were dominated by environmentally benign N2 emissions. The contribution of denitrification to N fertiliser loss decreased with increasing N rates, suggesting increasing significance of other N loss pathways including leaching and runoff at higher N rates. This study delivers a blueprint approach to extrapolate denitrification measurements at both temporal and spatial scales, which can be applied in fertilised agroecosystems. Robust estimates of denitrification losses determined using this method will help to improve cropping system modelling approaches, advancing our understanding of the N cycle across scales.

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“…The use of good fertilizers aims to make it easier for plants to absorb nutrients in the soil if the soil does not have legume cover crop (LCC) cover (Ball et al, 2020). The function of LCC was to maintain soil moisture, suppress weed growth, and provide N in the soil (Otto et al, 2020). If the area is already covered by LCC, it can reduce the use of fertilizers.…”

Section: Figure 2 Ffb Productivity In Semester 1 After 6 Months Of Fertilizationmentioning

confidence: 99%

Fertilization Effectiveness on the Productivity of Fresh Fruit Bunches and Maintenance Costs of Oil Palm

Aji¹,

Utami²,

Nugroho³

et al. 2021

Bul. Penelit. Sos. Ekonomi Pertan. Fakultas Pertan. Universitas

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The productivity of oil palm is highly dependent on the application of fertilization. Fertilizer applications must pay attention to its effectiveness and efficiency so that nutrients are absorbed optimally at the right time and right dosage. This research was conducted to assess the effectiveness of fertilization time. In addition, this also aimed to examine the effectiveness of oil palm fertilization which affects the productivity of fresh fruit bunches (FFB) and increases the production income. The data used were secondary data including fertilization and productivity of FFB at time intervals after fertilization for 6, 7, and 8 months in Kujan Estate Division, PT Menthobi Makmur Lestari (MMaL), Kujan Village, Nanga Bulik District, Lamandau, Central Kalimantan Province. The data obtained were analyzed using MS software. Excel was also employed to describe the dosage and time applied for 1 year and the productivity of FFB after 6 months of fertilization. Fertilizer application in months with high rainfall and long dry season is less effective and efficient for nutrient availability. The productivity of FFB in the second semester after 6 months of fertilization has increased compared to the first semester. The effective application of fertilizers can increase the production of CPO and reduce the total maintenance cost of the oil palm company

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Planting legume cover crop as a strategy to replace synthetic N fertilizer applied for sugarcane production

Cited by 21 publications

References 60 publications

The effects of integrated food and bioenergy cropping systems on crop yields, soil health, and biomass quality: The EU and Brazilian experience

The effects of integrated food and bioenergy cropping systems on crop yields, soil health, and biomass quality: The EU and Brazilian experience

Denitrification losses in response to N fertiliser rates - a synthesis of high temporal resolution N2O, in-situ 15N2O and 15N2 measurements and fertiliser 15N recoveries in intensive sugarcane systems

Fertilization Effectiveness on the Productivity of Fresh Fruit Bunches and Maintenance Costs of Oil Palm

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