Yield and yield components of wheat and maize in wheat–maize intercropping in the Netherlands

Gou, Fang; Ittersum, M.K. van; Wang, Guoyu; Putten, P.E.L. van der; Werf, Wopke Van der

doi:10.1016/j.eja.2016.01.005

Cited by 109 publications

(94 citation statements)

References 33 publications

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“…The likely explanation is that shading and resource competition by the dominant sweet maize suppressed the associated soybean growth (Bedoussac et al 2015). Moreover, the growing period of the sweet maize and soybean almost completely overlapped, leading to reduced temporal niche differentiation and enhanced interspecific competition for the same resource (Gou et al 2016). Yu et al (2015) reported that high TLER was achieved by allowing temporal niche differentiation to mitigate strong competition between cereal and legume.…”

Section: Grain Yield and Land Equivalent Ratiomentioning

confidence: 99%

Soil mineral nitrogen and yield-scaled soil N2O emissions lowered by reducing nitrogen application and intercropping with soybean for sweet maize production in southern China

YiLing

Guan

et al. 2017

Journal of Integrative Agriculture

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The increasing demand for fresh sweet maize (Zea mays L. saccharata) in southern China has prioritized the need to find solutions to the environmental pollution caused by its continuous production and high inputs of chemical nitrogen fertilizers. A promising method for improving crop production and environmental conditions is to intercrop sweet maize with legumes.Here, a three-year field experiment was conducted to assess the influence of four different cropping systems (sole sweet maize (SS), sole soybean (SB), two rows sweet maize-three rows soybean (S2B3) intercropping, and two rows sweet maizefour rows soybean (S2B4) intercropping, together with two rates of N fertilizer application (300 and 360 kg N ha -1 ) on grain yield, residual soil mineral N, and soil N 2 O emissions in southern China. Results showed that in most case, intercropping achieved yield advantages (total land equivalent ratio (TLER=0.87-1.25) was above one). Moreover, intercropping resulted in 39.8% less soil mineral N than SS at the time of crop harvest, averaged over six seasons (spring and autumn in each of the three years of the field experiment). Generally, intercropping and reduced-N application (300 kg N ha -1 ) produced lower cumulative soil N 2 O and yield-scaled soil N 2 O emissions than SS and conventional-N application (360 kg N ha -1 ), respectively. S2B4 intercropping with reduced-N rate (300 kg N ha -1 ) showed the lowest cumulative soil N 2 O (mean val-ue=0.61 kg ha -1 ) and yield-scaled soil N 2 O (mean value=0.04 kg t -1 ) emissions. Overall, intercropping with reduced-N rate maintained sweet maize production, while also reducing environmental impacts. The system of S2B4 intercropping with reduced-N rate may be the most sustainable and environmentally friendly cropping system.

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Section: Grain Yield and Land Equivalent Ratiomentioning

confidence: 99%

Soil mineral nitrogen and yield-scaled soil N2O emissions lowered by reducing nitrogen application and intercropping with soybean for sweet maize production in southern China

YiLing

Guan

et al. 2017

Journal of Integrative Agriculture

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“…Although many intercropping systems have numerous benefits for soil and crops [10,11]，some scholars found intercropping can result in competition between the intercropped crops. This competition has been found in many forms of intercropping, such as relay intercropping [12] and tree-crop systems [13]. Competition caused by intercropping can retard crop development and nutrient absorption [14] and may decrease the yield of the whole systems sometimes [15], results in significant different effects of intercropping.…”

Section: Introductionmentioning

confidence: 99%

Intercropped relationship change the developmental pattern of apple and white clover

et al. 2019

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Intercropping can introduce greater plant diversity and functional complementarity in an arable crop system but inter-and intracompetition can between intercropped crops. The rhizo-box was established of apple-white clover intercropped system to examine the competitive relationship between intercropped crops on the Loess Plateau. The results showed that the competitive relationship between intercropped crops was dynamic and changed with the crop competitiveness. Crop competitiveness was characterized by root development, although intercropping inhibited the development and nutrient accumulation aboveground of apple trunks and branches, intercropped apples still maintained a larger root system than under monoculture and the root morphology of intercropped apples changed significantly. White clover had lower competitiveness than apple at the beginning of the year, which was reflected in the inhibited development in May. However in July and October, intercropped white clover had more biomass and nutrient accumulation than under monoculture. ARTICLE HISTORY

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“…It not only improves the land use efficiency (e.g., Dhima et al, 2007;Tanwar et al, 2014;Wang et al, 2015) and the light and radiation use efficiency (Awal et al, 2006), but also enhances crop yields and farmers' income (Gou et al, 2016). However, there are often different water requirements needed by two different crop species during the growing period, which the traditional flood irrigation, incapable of providing different irrigation amounts in one field at the same time, cannot satisfy.…”

Section: Introductionmentioning

confidence: 99%

Spatial distribution of soil water, soil temperature, and plant roots in a drip-irrigated intercropping field with plastic mulch

Šimůnek

Shi

et al. 2017

European Journal of Agronomy

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a b s t r a c tIntercropping and drip irrigation with plastic mulch are two agricultural practices used worldwide. Coupling of these two practices may further increase crop yields and land and water use efficiencies when an optimal spatial distribution of soil water contents (SWC), soil temperatures, and plant roots is achieved. However, this coupling causes the distribution of SWCs, soil temperatures, and plant roots to be more complex than when only one of these agricultural practices are used. The objective of this study thus was to investigate the effects of different irrigation treatments on spatial distributions of SWCs, soil temperatures, and root growth in a drip-irrigated intercropping field with plastic mulch. Three field experiments with different irrigation treatments (high T1, moderate T2, and low T3) were conducted to evaluate the spatial distribution of SWCs, soil temperatures, and plant roots with respect to dripper lines and plant locations. There were significant differences (p < 0.05) in SWCs in the 0-40 cm soil layer for different irrigation treatments and between different locations. The maximum SWC was measured under the plant/mulch for the T1 treatment, while the minimum SWC was measured under the bare soil surface for the T3 treatment. This was mainly due to the location of drippers and mulch. However, no differences in SWCs were measured in the 60 100 cm soil layer. Significant differences in soil temperatures were measured in the 0 5 cm soil layer between different irrigation treatments and different locations. The soil temperature in the subsoil (15 25 cm) under mulch was higher than under the bare surface. The overlaps of two plant root systems in an intercropping field gradually increased and then decreased during the growing season. The roots in the 0 30 cm soil layer accounted for about 60% 70% of all roots. Higher irrigation rates produced higher root length and weight densities in the 0 30 cm soil layer and lower densities in the 30 100 cm soil layers. Spatial distributions of SWCs, soil temperatures, and plant roots in the intercropping field under drip irrigation were significantly influenced by irrigation treatments and plastic mulch. Collected experimental data may contribute to designing an optimal irrigation program for a drip-irrigated intercropping field with plastic mulch.

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Yield and yield components of wheat and maize in wheat–maize intercropping in the Netherlands

Cited by 109 publications

References 33 publications

Soil mineral nitrogen and yield-scaled soil N2O emissions lowered by reducing nitrogen application and intercropping with soybean for sweet maize production in southern China

Soil mineral nitrogen and yield-scaled soil N2O emissions lowered by reducing nitrogen application and intercropping with soybean for sweet maize production in southern China

Intercropped relationship change the developmental pattern of apple and white clover

Spatial distribution of soil water, soil temperature, and plant roots in a drip-irrigated intercropping field with plastic mulch

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