Intercropping with two native woody shrubs improves water status and development of interplanted groundnut and pearl millet in the Sahel

Bogie, Nathaniel; Bayala, Roger; Diédhiou, Ibrahima; Dick, Richard P.; Ghezzehei, Teamrat A.

doi:10.1007/s11104-018-3882-4

Cited by 13 publications

(10 citation statements)

References 58 publications

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“…Leaf chlorophyll content and N content are closely related and are quickly and non‐destructively assessed through spectral reflectance, specifically between the red and infrared wavelengths (Gitelson, Gritz, & Merzlyak, 2003). The NDVI has been used as a vegetative index in millet (Bogie, Bayala, Diedhiou, Dick, & Ghezzehei, 2019; Capecchi, Crisci, Lorenzo, Maselli, & Vignaroli, 2008; Groten, 1993) and is positively correlated to chlorophyll content (Xiaoyan, Zhiwei, Wenjun, & Jiawei, 2020), growth (Gerard & Buerkert, 2001), and grain yield of millet (Rasmussen, 1998). To help determine N differences between monocropped and intercropped millet, NDVI readings were taken every 2 wk from planting to harvest on millet plants from the harvested area in each plot.…”

Section: Methodsmentioning

confidence: 99%

Evaluating pearl millet and mungbean intercropping in the semi‐arid regions of Senegal

et al. 2020

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Pearl millet [Pennisetum glaucum (L.) R. Br.] yields in Senegal are constrained by rainfall variability, persistent drought, and low soil fertility. Mungbean [Vigna radiata (L.) Wilczek], a short-duration and relatively drought-tolerant legume crop, is capable of improving soil fertility and productivity of associated crops. Our study evaluated the effects of pearl millet and mungbean intercropping on crop yields in the semi-arid regions of Senegal. Field experiments were conducted during the 2017 and 2018 growing seasons at Bambey and Nioro sites located within Senegal's west-central and Saloum agricultural regions, respectively. Experimental treatments: monocropped millet (T 1), monocropped mungbean (T 2 , 100%), and 23% (T 3), 43% (T 4), 47% (T 5), 62% (T 6), 125% (T 7), and 164% (T 8) of mungbean intercropped with millet were laid out in a randomized complete block design and replicated four times. In addition to yield, canopy cover and normalized difference vegetation index (NDVI) were measured and yield advantage was assessed with the land equivalent ratio (LER). Combined millet and mungbean seed yields were up to 60 and 85% higher under intercropping systems compared to millet monocropping at Bambey and Nioro, respectively. Similarly, LER was always greater than unity (> 1) under millet-mungbean intercropping compared to millet monocropping. Mean canopy cover estimates and NDVI values increased by up to 60 and 30% in millet-mungbean intercropping over millet grown alone, respectively. These combined yield gains obtained without fertilizer applications suggested that optimizing mungbean density (62-125%) in pearl millet-based systems can increase the combined yields in a low-input and/or high-risk environment in Senegal.

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Section: Methodsmentioning

confidence: 99%

Evaluating pearl millet and mungbean intercropping in the semi‐arid regions of Senegal

et al. 2020

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“…The evidences hydraulic lift and its redistribution by shrubs roots (Guiera senegalensis and Piliostigma reticulatum) resulting in overnight rewetting of drier soil surface was observed by Kizito et al (2012), in the same location beneficial effects of hydraulic redistribution to adjacent plant which has helped in survival of neighboring Amaranthus species in waterlimited environment. Capitalization of moisture present in the deeper layer by deep rooted crops through their root architecture was observed when groundnut (Arachis hypogea) and pearl millet (Penisetum glaucum) crops grown in presence of Piliostigma reticulatum and Guiera senegalensis shrubs, as a result of this association groundnut and pearl millet showed higher yields advantages due to higher water availability (Bogie et al, 2019). Legumecereal intercropping is well thought practice in dry land agriculture (Hiremath et al, 2016), familiarity of legumecereal could be due to differential growth habits as a result low or no dominant and dominated effects on one another rather complementarity (Kumar and Girij esh 2015).…”

Section: Bio-irrigation In Field Cropsmentioning

confidence: 99%

Bio-irrigation: A Drought Alleviation Strategy through Induced Hydro-parasitization under Bi-cropping Practices of Rainfed Agro-ecosystem: A Review

Kumar¹,

Yamanura²,

Boraiah³

2021

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Exploring ecosystem services for environment sustainability is the trending area of research in the field of natural resource management (NRM). Water is an important entity of agro-ecosystem, dryland agriculture greatly suffers due to want of moisture. Bi-cropping is one practice where different crops are grown in proximity to realize various benefits under uncertainties of dryland agriculture. Literacy among multifarious benefits of bi-cropping over monoculture is fairly rich among the researchers as well as growers. However, bio-irrigation is one such co-benefits which address about drought alleviating strategies under bi-cropping practice. In this technique, deep rooted plants suck up water from deep moist sub-soil and deposit part of that sucked water in the upper dry soil layers due to water potential gradient, during this hydraulic lift and redistribution shallow rooted neighboring crops in close proximity gets due benefits of this lifted water in alleviating drought. This is high time to device cropping systems of water limited environment to unlock the potentiality of dryland production units. Based on the published studies Piliostigma reticulatum, Guiera senegalensis, Panicum maximum, Festuca arundinacea and Cajanus cajan were identified as potential bio-irrigator arid agro-ecosystem.

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“…Cette gestion écologique permet l'amélioration de la croissance de la culture, notamment une réduction de la durée du cycle de développement (Balaya et al, 2017). Elle permet également un gain de productivité (biomasse et grains ; indice de surface foliaire et indice de végétation normalisé) des cultures annuelles associées à l'arbuste (Dossa et al, 2013 ;Diakhaté et al, 2013 ;Debenport et al, 2015 ;Bright et al, 2017 ;Bogie et al, 2019).…”

Section: Croissance De La Culture Associée Et Rendementunclassified

“…Une utilisation de l'eau optimisée À l'augmentation des rendements, est associée une augmentation de l'efficience d'utilisation de l'eau issue des précipitations (mesurée en kg de grains/ha/mm de précipitation ; Dossa et al, 2013 ;Bright et al, 2017 ;Bogie et al, 2019).…”

Section: Croissance De La Culture Associée Et Rendementunclassified

Agroforesterie et services écosystémiques en zone tropicale

Seghieri¹,

Harmand²

2019

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Systèmes agraires et changement climatique au Sud H. Cochet, O. Ducourtieux, N. Garambois, coord. 2018 Trente années d'observation des microalgues et des toxines d'algues sur le littoral C. Belin, D. Soudan 2018 Stratégies des filières fromagères sous AOP en Europe Modes de régulation et performance économique P. Jeanneaux 2018 Services écosystémiques et protection des sols Analyses juridiques et éclairages agronomiques C. Hermon, coord. 2018 Paroles de chercheurs Environnement et interdisciplinarité E. Brun, J.-F. Ponge, J.-C. Lefeuvre 2017, 124 p. Démanteler les barrages pour restaurer les cours d'eau Controverses et représentations R. Barraud, M.-A. Germaine, coord. 2017, 260 p. Construire des politiques alimentaires urbaines Concepts et démarches C

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Intercropping with two native woody shrubs improves water status and development of interplanted groundnut and pearl millet in the Sahel

Cited by 13 publications

References 58 publications

Evaluating pearl millet and mungbean intercropping in the semi‐arid regions of Senegal

Evaluating pearl millet and mungbean intercropping in the semi‐arid regions of Senegal

Bio-irrigation: A Drought Alleviation Strategy through Induced Hydro-parasitization under Bi-cropping Practices of Rainfed Agro-ecosystem: A Review

Agroforesterie et services écosystémiques en zone tropicale

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