Juvenile plumcot tree can improve fruit quality and economic benefits by intercropping with alfalfa in semi-arid areas

Wang, Xiuyuan; Shen, Lei; Liu, Tingting; Wei, Wenwen; Zhang, Shuai; Tuerti, Tayir; Li, Lu Hua; Zhang, Wei

doi:10.1016/j.agsy.2022.103590

Cited by 7 publications

(4 citation statements)

References 51 publications

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“…Intercropping advantage can be quantified by the land equivalent ratio (LER) ( Li et al., 2020 ; Liu et al., 2020 ; Liu et al., 2023 ). In this study, the LER values of all treatments were greater than one in maize/peanut intercropping systems, revealing that maize/peanut intercropping systems have higher land resource utilization efficiency than monocultures, which is a promising way for farmers with limited land resources ( Wang et al., 2023 ). Specifically, the LER of the intercropping system achieved the highest value of 1.30 at T2 treatment (removal of the tassel with top two leaves) over two years ( Table 2 ), which means that 30% more farmlands would be needed for peanut and maize in monoculture to equal the yield of maize and peanut intercropping ( Raza et al., 2019e ).…”

Section: Discussionmentioning

confidence: 74%

Organ removal of maize increases peanut canopy photosynthetic capacity, dry matter accumulation, and yield in maize/peanut intercropping

Liu,

Nan,

Lin

et al. 2023

Front. Plant Sci.

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In maize/peanut intercropping systems, shade from maize is a major factor in peanut yield reduction. Reasonable redundant organ removal of maize plants could alleviate this problem and improve intercropped peanut yields. We studied the influences of organ removal of maize on peanut canopy photosynthetic capacity, dry matter accumulation and yield in maize/peanut intercropping systems in 2021 and 2022. Five organ-removal treatments were performed on maize plants to ameliorate the light environments in the peanut canopy. Treatments consisted of removal of the tassel only (T1), the tassel with top two leaves (T2), the tassel with top four leaves (T3), the tassel with top six leaves (T4), the leaves below the second leaf below the ear (T5), with no removal as control (T0). The results showed that organ-removal treatment (T4) significantly improved the photosynthetically active radiation (PAR, 49.5%) of intercropped peanut canopy. It improved dry matter accumulation by increasing the canopy photosynthetic capacity (canopy apparent photosynthetic rate (CAP), leaf area index (LAI), and specific leaf area (SLA)), ultimately contributing to peanut yield by increasing pod number per plant. Also, the above results were verified by structural equation modeling. The yield of intercropped peanut reached the highest value at T4. At the level of intercropping systems, the land equivalent ratio (LER) peaked at T2 (1.56, averaged over the two years), suggesting that peanut and maize can coexist more harmoniously under T2 treatment. The T2 treatment increased peanut yield by an average of 7.1% over two years and increased maize yield by 4.7% compared to the T0 treatment. The present study suggests that this may be an effective cultivation measure to mitigate intercropping shade stress in terms of adaptive changes in intercropped peanut under maize organ removal conditions, providing a theoretical basis for intercropped peanut yield increase.

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Section: Discussionmentioning

confidence: 74%

Organ removal of maize increases peanut canopy photosynthetic capacity, dry matter accumulation, and yield in maize/peanut intercropping

Liu,

Nan,

Lin

et al. 2023

Front. Plant Sci.

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“…However, the aforementioned literature did not publish the related datasets. In recent years, extensive research has been conducted on the growth characteristics, water consumption patterns, and irrigation regimes of alfalfa, with a focus on the interaction between field management practices, crop morphological characteristics, and yield ( Liu et al., 2022 ; Ojaghlou et al., 2023 ; Wang et al., 2023 ). However, there have been relatively few studies on alfalfa LAI.…”

Section: Introductionmentioning

confidence: 99%

A dataset for estimating alfalfa leaf area and predicting leaf area index

Yang,

Ge,

Wang

et al. 2024

Front. Plant Sci.

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“…Maintaining a balance between quality content and yield is crucial, particularly for alfalfa, a forage that is valued for its quality content ( McCullock et al., 2014 ; Peake et al., 2019 ). Focusing solely on achieving high hay yield while undervaluing the alfalfa quality content may diminish its market competitiveness ( Zhang et al., 2020 ; Wang et al., 2023 ). Therefore, investigating the synergistic regulation mechanism between the alfalfa quality content and the hay yield is essential for enhancing its overall quality and production efficiency.…”

Section: Introductionmentioning

confidence: 99%

Partial root-zone drying subsurface drip irrigation increased the alfalfa quality yield but decreased the alfalfa quality content

Wang,

Xu,

et al. 2024

Front. Plant Sci.

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Water shortage seriously restricts the development of grassland agriculture in arid land and dramatically impacts alfalfa (Medicago sativa L.) quality content and hay yield. Reasonable irrigation methods have the potential to enhance the alfalfa quality content, hay yield, and thus quality yield. Whether partial root-zone drying subsurface drip irrigation (PRDSDI) improves the alfalfa quality yield, quality content, and hay yield is still unknown compared with conventional subsurface drip irrigation (CSDI). The effects of PRDSDI compared with that of CSDI and the interaction with irrigation volume (10 mm/week, 20 mm/week, and 30 mm/week) on the alfalfa quality yield were investigated in 2017–2018 and explained the change in quality yield with the alfalfa quality content and hay yield. Here, the results showed that PRDSDI did not increase the alfalfa quality yield in 2 years. PRDSDI significantly increased acid detergent fiber by 13.3% and 12.2% in 2018 with 10-mm and 20-mm irrigation volumes and neutral detergent fiber by 16.2%, 13.2%, and 12.6% in 2017 with 10-mm, 20-mm, and 30-mm irrigation volumes, respectively. PRDSDI significantly decreased the crude protein by 5.4% and 8.4% in 2018 with 10-mm and 20-mm irrigation volumes and relative feed value by 15.0% with 20-mm irrigation volume in 2017 and 9.8% with 10-mm irrigation volume in 2018, respectively. In addition, PRDSDI significantly increased the alfalfa average hay yield by 49.5% and 59.6% with 10-mm and 20-mm irrigation volumes in 2018, respectively. Our results provide a counterexample for PRDSDI to improve crop quality. Although there was no significant improvement in average quality yield by PRDSDI, the positive impact of average hay yield on quality yield outweighed the negative impact of quality content. Thus, it has the potential to improve quality yields. The novel findings regarding the effects of PRDSDI on quality yield are potentially favorable for the forage feed value in water-limited areas.

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Juvenile plumcot tree can improve fruit quality and economic benefits by intercropping with alfalfa in semi-arid areas

Cited by 7 publications

References 51 publications

Organ removal of maize increases peanut canopy photosynthetic capacity, dry matter accumulation, and yield in maize/peanut intercropping

Organ removal of maize increases peanut canopy photosynthetic capacity, dry matter accumulation, and yield in maize/peanut intercropping

A dataset for estimating alfalfa leaf area and predicting leaf area index

Partial root-zone drying subsurface drip irrigation increased the alfalfa quality yield but decreased the alfalfa quality content

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