Maize–soybean intensification alternatives for the Pampas

Monzón, Juan Pablo; Mercau, Jorge L.; Andrade, José F.; Caviglia, Octavio Pedro; Cerrudo, A.; Cirilo, Alfredo Gabriel; Vega, Claudia Rosa Cecilia; Andrade, Fernando H.; Calviño, Pablo

doi:10.1016/j.fcr.2014.03.012

Cited by 46 publications

(32 citation statements)

References 24 publications

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“…Thereby, LER >1 indicates better land use efficiency compared to pure stands. Furthermore, the contribution of relative yield (RGY) and relative vegetative biomass yield (RVEGE) of companion crops to LER yield and LER vege was measured (Monzon et al 2014), respectively. To characterize the compatibility of intercropped pea and oat at the population level, yield components were measured per unit land area (unit m -2 ), whereas to identify the changes in single plant architecture due to intercropping, the results were transformed per plant (unit plant ) and single grain weight (mg); for oat, number and weight of grains and single grain weight (mg).…”

Section: Experimental Arrangementsmentioning

confidence: 99%

“…However, intercropping makes the anticipation of yield shares of companion crops uncertain and may challenge the use of harvested yield, e.g., as on-farm feed (Kontturi et al 2011), even though techniques for separation of peas and cereals have developed. Hence, many studies have focused on improving our understanding of the contribution of crop phenological timing and growth dynamics to competition, growth performance and yield formation processes between species in intercrops (Hauggaard-Nielsen et al 2006, Barker and Dennett 2013, Monzon et al 2014, Brooker et al 2015.…”

Section: Introductionmentioning

confidence: 99%

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Characterizing an outperforming pea cultivar for intercropping with oat at high latitudes

Peltonen‐Sainio¹,

Kontturi²,

Laine³

et al. 2017

AFSci

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The cereal often dominates the grain legume in intercrops, especially when sown in larger amounts. This study assessed yield formation of pea (Pisum sativum L.) and oat (Avena sativa L.) in an intercropping system in high-latitude conditions. Three pea cultivars (Hulda, Karita and Perttu) and one oat cultivar (Roope) were grown as sole crops and intercrops with shares of either 7.5% or 15% of oat (as weight of sown seed mixture). Experiments were organized in three (southern, western and northern) locations of Finland for three years. Yield and vegetative above-ground biomass, their land equivalent ratio (LER, i.e., the yield in intercrop compared to that of the component yields in pure stands), and a number of yield components were measured prior to harvest at crop-stand and single-plant levels. The share of oat in the intercrop did not have any impact on variation in LER yield . Oat yield and yield components generally benefitted from a pea companion crop. The pea cultivar Perttu was superior in intercrops: it had a LER yield >1 in seven out of eight experiments (mean LER yield =1.06), while Karita had a LER yield >1 in four (mean LERyield =1.00) and Hulda only in one experiment (mean LER yield =0.98). Perttu proved to be a compatible pea companion for a pea-oat intercrop, likely because it was successful in overcompensating for decline in relative yield (RGY) of oat in intercrops, contrary to Hulda. However, none of the measured yield components of Perttu were associated with LER yield , suggesting compensation ability between them, while in Karita and Hulda, e.g., higher grain yield and number of grains and pods per square meter were associated with decline in LER yield . It was concluded that the success of Perttu as a companion for oat in intercrops is likely attributable to its flexibility in building yield through a variable combination of yield components rather than being outperformed due to some superior traits. Such flexibility, likely attributable to long duration of flowering supports resilience to weather variability that is typical for northern European conditions allowing Perttu to consistently sustain a LER yield >1.

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Section: Experimental Arrangementsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Characterizing an outperforming pea cultivar for intercropping with oat at high latitudes

Peltonen‐Sainio¹,

Kontturi²,

Laine³

et al. 2017

AFSci

View full text Add to dashboard Cite

show abstract

“…Table 5 shows RY, LER, and CR. In the present study, RY and LER of both of double cropping and relay intercropping were calculated to compare the productivity (Monzon et al, 2014) Since crop rotation system (Matsuzaki, 2013) and the application of green manure (Yoshida, 1979) would be effective to suppress the decrease in soybean yield by continuous cropping, the cultivation system for the suppression of the yield loss by continuous cropping should be developed. The yield of the first crop of Kurozukin would not be disturbed by cropping pattern.…”

Section: Discussionmentioning

confidence: 99%

“…The authors suggested that the yield of the second crop decreased because of the short growth duration as compared with the normal cultivation because of the late sowing. In the Argentinean Pampas, there is a field trial to investigate effectiveness of double cropping and relay intercropping using maize and soybean as first and second crop, respectively, for the enhancement of production in the limited length of the growing season (Monzon et al, 2014). In the relay intercropping, soybean was sown between the rows of maize at 40-60 days after maize sowing.…”

Section: Cropping Patterns and Field Managementmentioning

confidence: 99%

“…For the determination of seed yield of Tanbaguro, ripened pod number, seed number, and seed weight were measured. Land equivalent ratio (LER) was calculated as the sum of relative yields of Kurozukin (RY Kuro ) and Tanbaguro (RY Tanba ) using the following equation to evaluate and compare the productivity of double cropping, relay intercropping, and mono cropping (Monzon et al, 2014). In all fields, the midterm tillage was conducted once when top dressing was applied.…”

Section: Study Sitesmentioning

confidence: 99%

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Performance of double cropping and relay intercropping for black soybean production in small-scale farms

Yamane

Ikoma

Iijima

2016

Plant Production Science

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We investigated the soybean productivity of double cropping and relay intercropping in farmer's fields for three years using two black soybean cultivars of Kurozukin and Tanbaguro, which are used for the first and second crop, respectively. Kurozukin is the early maturing cultivar for vegetable soybean harvest and Tanbaguro is the late-maturing cultivar for the harvest of vegetable soybean and seeds. The yield of the first crop (Kurozukin) was similar to the mono cropping regardless of cropping patterns. However, the yield of the second crop (Tanbaguro) was affected by cropping patterns. The yield of Tanbaguro in double cropping was prone to decrease by late sowing. The late sowing was induced by the late sowing and late harvesting of Kurozukin because of the low temperature in April and the large amount of precipitation in rainy season, respectively. In relay intercropping that Tanbaguro was sown between the rows of Kurozukin at about one month before the harvest of Kurozukin, the yield of Tanbaguro was similar to the mono cropping and the competition with Kurozukin was not observed. Thus, the land equivalent ratio value of double cropping was lower than that of relay intercropping. These results suggest that relay intercropping is more useful cultivation system than double cropping to increase the annual soybean production.

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‘To Adopt or not to Adopt?’ Legume Adoption in Maize‐Based Systems of Northern Thailand: Constraints and Potentials

2016

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A considerable growth in the maize (Zea mays L.) sector in Southeast Asia has resulted in a rapid expansion and intensification of maize monoculture on sloping uplands. This practice entailed the heavy use of fertilisers, leading to environmental degradation and farmers' indebtedness. Intercropping of legumes with maize could complement or replace fertiliser inputs; however legume adoption by smallholder maize farmers remains low. This study investigates the constraints and potentials to integrate legumes in maize‐based cropping systems in such environments. A comparative study between maize monocropping and maize/legume relay cropping was carried out in two villages of Thailand, using surveys, participatory rural appraisal (PRA) tools and interviews. The results demonstrated that both cropping systems were equally profitable, although the maize yield in maize/legume relay cropping was lower than that in monocropping. Low selling price was the most cited reason by the non‐adopters for not introducing legumes. Selling price of legume grains, ease of harvesting, marketability and ease of growing were the four main criteria that determined the adopters' choice of legume species. Among the cultivated legumes, ricebean (Vigna umbellata L.) best fulfilled the criteria for the choice of legume species. Establishing maize/legume relay cropping as an alternative to maize monocropping under rainfed conditions can decrease risks, due to reduced expenses for farm inputs and similar economic returns. This study generated useful information for agricultural policy makers and development practitioners in identifying the barriers and facilitating factors that influence farmers' decision to adopt legumes and the conditions that shape the farmers' decision‐making environment. Copyright © 2016 John Wiley & Sons, Ltd.

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Maize–soybean intensification alternatives for the Pampas

Cited by 46 publications

References 24 publications

Characterizing an outperforming pea cultivar for intercropping with oat at high latitudes

Characterizing an outperforming pea cultivar for intercropping with oat at high latitudes

Performance of double cropping and relay intercropping for black soybean production in small-scale farms

‘To Adopt or not to Adopt?’ Legume Adoption in Maize‐Based Systems of Northern Thailand: Constraints and Potentials

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