Water Competition of Intercropped Pearl Millet with Cowpeaunder Drought and Soil Compaction Stresses

Zegada‐Lizarazu, Walter; Izumi, Yoshiharu; Iijima, Morio

doi:10.1626/pps.9.123

Cited by 42 publications

(36 citation statements)

References 47 publications

(41 reference statements)

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“…Shobeiri et al (2015) reported that the amount of chlorophyll a and b in grass pea (Lathyrus sativus L.) intercropped with barely was significantly lower than that of in its monoculture. Similarly, the reductions of maize LAI under intercropping systems have been also reported by other researchers (Zegada-Lizarazu et al, 2006;Thobatsi, 2009). It seems that the main reason of decline in LAI in corn + 100% sweet basil pattern compared to other intercropping systems is associated with the interspecies competition mechanism by which the extent of leaf expansion and duration will be restricted.…”

Section: Physiological Traits Of Maizesupporting

confidence: 83%

Evaluation of yield and some physiological traits of forage corn affected by chemical and biological nitrogen fertilizers intercropped with sweet basil

Kordi

Kolvanagh

Salmasi

et al. 2017

JCEA

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In order to evaluate yield and some physiological traits of forage corn under nitrogen fertilizers (biological, chemical and integrated) in additive intercropping with basil a field experiment was carried out in the Experimental Farm of Faculty of Agriculture, Lorestan University during 2014-2015 growing seasons. Treatments were arranged in a factorial experiment based on randomized complete blocks design with three replications. Experimental treatments were 100% chemical fertilizer (N), bio-fertilizer (nitroxin), integration of bio-fertilizer + 50% chemical fertilizer and control in different intercropping systems consisted of sole cropping corn and the additive intercropping of corn + 25% sweet basil, corn + 50% sweet basil, corn + 75% sweet basil and corn + 100% sweet basil. The results showed that integration of bio-fertilizer + 50% chemical fertilizer had the highest number of green leaves per plant (11.72) and leaf area index (LAI) (3.75) and there was no significant difference between this treatment and using 100% chemical fertilizer (N) in plant height, stem dry weight, chlorophyll a, chlorophyll b and carotenoids contents. Among different intercropping systems the highest plant height (179.25 cm), number of green leaves per plant (11.4), leaf dry weight (5.64 ton*ha ), chlorophyll a (0.62 mg*g -1 FW), chlorophyll b (0.42 mg*g -1 FW), and total chlorophyll (1.04 mg*g -1 FW) were obtained from sole cropping pattern. However, sole cropping pattern in terms of mentioned traits except for number of green leaves per plant, ear dry weight and total dry weight had no significant difference with corn + 25% sweet basil and corn + 50% sweet basil treatments The results showed that integration of bio-fertilizer + 50% chemical fertilizer could be considered as an approach to reduce the consumption of chemical fertilizers for sustainable agriculture

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Section: Physiological Traits Of Maizesupporting

confidence: 83%

Evaluation of yield and some physiological traits of forage corn affected by chemical and biological nitrogen fertilizers intercropped with sweet basil

Kordi

Kolvanagh

Salmasi

et al. 2017

JCEA

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“…Although no-tillage is an effective sustainable cropping system to prevent soil erosion (Iijima et al, 2003a, it often affects crop root development due to the higher mechanical impedance to root elongation (Izumi et al, 2004). Water uptake under such a restricted soil physical environment will also be modified by rooting in shallow soil layer (Zegada-Lizarazu et al, 2006a;Iijima et al, 2007). Deep rooting (Araki and Iijima, 2005;Zegada-Lizarazu et al, 2006b will offer the chance for the crop to survive under the drought environment by acquiring the water resources in the deep soil layer.…”

Section: Implication Of the Present Resultsmentioning

confidence: 99%

Combined Soil Physical Stress of Soil Drying, Anaerobiosis and Mechanical Impedance to Seedling Root Growth of Four Crop Species

Iijima¹,

Kato²,

Taniguchi³

2007

Plant Production Science

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“…Previous studies have also shown that drought can increase soil compaction and reduces the water uptake ability of deep roots (Zegada-Lizarazu and Iijima 2005;Iijima et al 2007) and also enhance root competition for existing soil water (Zegada-Lizarazu et al 2006). As the availability of water in soil becomes a key factor limiting growth and survival of plants (Liste and White 2008), the deeper root system of T. repens and R. obtusifolius as compared to grasses may represent a competitive advantage to access soil water.…”

Section: Discussionmentioning

confidence: 99%

Effects of an extended drought period on physiological properties of grassland species in the field

Signarbieux

Feller

2011

J Plant Res

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A very high percentage (around 70%) of the agronomic area in Switzerland is covered by grasslands at various altitudes where environmental conditions, management, community structure and productivity vary widely. As heat waves and drought are predicted to increase in future climate, survival of plant species in grasslands is a major issue of concern in Central Europe. The effect of summer drought on representative grasslands in Switzerland was studied through drought experiments (using rain-out shelters avoiding natural precipitation) to understand the response of predominant species to changed climatic conditions. The physiological performance (gas exchange, leaf water potential) of selected species was investigated at three locations in Switzerland. The predawn leaf water potential of all species was lower (more negative) under the dryer conditions at the three sites. Net photosynthesis and stomatal conductance of forb and legume species did not show major changes under drought, while grass species showed large decreases at the lowland site. These differences between forb-legume and grass species were not observed at the pre-alpine and alpine site. The apparent drought tolerance of the forb-legume species seems to be due-at least partially-to increased water use efficiency under drought conditions.

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Water Competition of Intercropped Pearl Millet with Cowpeaunder Drought and Soil Compaction Stresses

Cited by 42 publications

References 47 publications

Evaluation of yield and some physiological traits of forage corn affected by chemical and biological nitrogen fertilizers intercropped with sweet basil

Evaluation of yield and some physiological traits of forage corn affected by chemical and biological nitrogen fertilizers intercropped with sweet basil

Combined Soil Physical Stress of Soil Drying, Anaerobiosis and Mechanical Impedance to Seedling Root Growth of Four Crop Species

Effects of an extended drought period on physiological properties of grassland species in the field

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