Winter cover crop: the effects of grass–clover mixture proportion and biomass management on maize and the apparent residual N in the soil

Kramberger, B.; Gselman, A.; Kristl, Janja; Lešnik, M.; Šuštar, Vilma; Muršec, Mateja; Podvršnik, Miran

doi:10.1016/j.eja.2014.01.001

Cited by 49 publications

(46 citation statements)

References 48 publications

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“…Therefore, in addition to the year-long effect of residue decomposition, there was a cumulative effect on the soil N mineralization supply of the cover crop treatments, which was more evident for the vetch treatment than for the fallow treatment. This result agrees with Raimbault et al (1990), Kuo and Jellum (2002) or Kramberger et al (2014), supporting the idea that the cover crop aboveground can be removed without causing a yield decrease in the subsequent cash crop, even though it may have an effect on the long term yields. This suggests that making an allowance for the N supply from the cover crop is better achieved by using N nutritional indexes (i.e., optical crop sensors) to adjust the N fertiliser application to the subsequent cash crop than by estimating the N content in the biomass of the previous cover crop.…”

Section: Maize: Biomass Yield and Nsupporting

confidence: 80%

“…A noneffect or a positive effect is common (e.g., Bundy and Andraski, 2005), however, in some situations, a depressive effect on the yield has been reported (e.g., Kramberger et al, 2009) due to water or nutrient competition. In the case of leguminous cover crops, the tendency to increase yield and N uptake is consistent (Hanly and Gregg, 2004;Haas et al, 2007;Campiglia et al, 2010;Kramberger et al, 2014). Furthermore, Kramberger et al (2014) observed luxuriant N supplies to the maize after a crimson clover cover crop (Trifolium incarnatum L.).…”

Section: Introductionmentioning

confidence: 94%

“…Leguminous cover crops do not reduce soil available N at sowing with respect to a fallow treatment (Gabriel and Quemada, 2011); however, non-leguminous cover crops are prone to reducing it (Wagger and Megel, 1988;Thorup-Kristensen, 2001). This could lead to N pre-emptive competition with the main crop, which is often related to microbial immobilization, as reported by Garibay et al (1997) or Kramberger et al (2014) for grasses as cover crops.…”

Section: Introductionmentioning

confidence: 99%

“…However, this initial competition and lower growth rate can be switched to an enhancement of growth in the later stages due to residue mineralization and N supply (Verhulst et al, 2011;Kramberger et al, 2014). The N immobilization can be minimised by using cover crops with low C/N ratio, mixing species or adjusting the cover crop killing date (Rüegg et al, 1998;Doane et al, 2009;Alonso-Ayuso et al, 2014).…”

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Nitrogen use efficiency and fertiliser fate in a long-term experiment with winter cover crops

Gabriel

Alonso‐Ayuso

García-González

et al. 2016

European Journal of Agronomy

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Section: Maize: Biomass Yield and Nsupporting

confidence: 80%

Section: Introductionmentioning

confidence: 94%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Nitrogen use efficiency and fertiliser fate in a long-term experiment with winter cover crops

Gabriel

Alonso‐Ayuso

García-González

et al. 2016

European Journal of Agronomy

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“…In the last two decades, the application of cover crops came into the spotlight [14,15]. Although there are many advantages of cover crops, such as physical protection of the surface, organic carbon source as green manure, and soil structure improvement, there are some disadvantages as well (potential source of plant diseases and concurrent soil moisture and nitrogen loss) [16].…”

Section: Introductionmentioning

confidence: 99%

Infiltration and Soil Loss Changes during the Growing Season under Ploughing and Conservation Tillage

et al. 2017

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Abstract:Decreased water retention and increased runoff and soil loss are of special importance concerning soil degradation of hilly crop fields. In this study, plots under ploughing (conventional) tillage (PT) and conservation tillage (CT; 15 years) were compared. Rainfall simulation on 6 m 2 plots was applied to determine infiltration and soil loss during the growing season. Results were compared with those measured from 1200 m 2 plots exposed to natural rainfalls in 2016. Infiltration was always higher under CT than PT, whereas the highest infiltration was measured under the cover crop condition. Infiltration under seedbed and stubble resulted in uncertainties, which suggests that natural pore formation can be more effective at improving soil drainage potential than can temporary improvements created by soil tillage operations. Soil erodibility was higher under PT for each soil status; however, the seedbed condition triggered the highest values. For CT, soil loss volume was only a function of runoff volume at both scales. Contrarily, on PT plots, some extreme precipitation events triggered extremely high soil loss owing to linear erosion, which meant no direct connection existed between the scales. Improved soil conditions due to conservation practice are more important for decreasing soil loss than the better surface conditions.

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Interseeding cover crops in corn

2020

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Farmers benefit from ecosystem services that cover crops provide, but time constraints limit the opportunity to seed cover crops following corn (Zea mays L.) harvest in the upper Midwest. Interseeding cover crops in corn during the early vegetative growth stages lengthens the cover crop growing season; however, cover crops may have difficulty establishing in standing corn, or conversely, compete with corn and reduce yield. The objectives of this research were to determine cover crop establishment when broadcast interseeded in corn from the V2–V7 growth stages, suppression of weeds by cover crops, and effects of cover crops on corn grain yield. Annual ryegrass (Lolium multiflorum Lam.), crimson clover (Trifolium incarnatum L.), oilseed radish (Raphanus sativus L.), and a three‐species mixture were interseeded in four site‐years in Michigan. Annual ryegrass density was highest compared with oilseed radish and crimson clover 30 d after interseeding and at harvest in October. Cover crop density was highest at the V4–V7 interseeding timings. Annual ryegrass produced more fall biomass (186 kg ha−1) compared with crimson clover (112 kg ha−1), and fall biomass was greatest at the V2, V3, and V5 interseeding timings. Spring biomass was 384 and 180 kg ha−1 for annual ryegrass and the cover crop mixture, respectively; these treatments reduced winter annual weed biomass. Corn grain yield was unaffected by cover crops at any interseeding timing. Crimson clover did not establish well in this experiment. Annual ryegrass and oilseed radish interseeded in V2–V7 corn did not reduce corn grain yield.

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Winter cover crop: the effects of grass–clover mixture proportion and biomass management on maize and the apparent residual N in the soil

Cited by 49 publications

References 48 publications

Nitrogen use efficiency and fertiliser fate in a long-term experiment with winter cover crops

Nitrogen use efficiency and fertiliser fate in a long-term experiment with winter cover crops

Infiltration and Soil Loss Changes during the Growing Season under Ploughing and Conservation Tillage

Interseeding cover crops in corn

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