Effects of Water Stress and Nitrogen Fertilizer on Multi-Cut Forage Pearl Millet Yield, Nitrogen, and Water Use Efficiency

Rostamza, Mina; Chaichi, M. R.; Jahansooz, Mohammad-Reza; Mashhadi, H R Rahimian; Sharifi, H R

doi:10.1080/00103624.2011.609252

Cited by 21 publications

(12 citation statements)

References 26 publications

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“…Since the calorific value of stalk differs from leaves and heads, changes in assimilate partitioning influenced energy output. It seems that one primary reaction of plants to deficit irrigation during the vegetative growth stage is reduction of leaf number, leaf area, and plant height (Rostamza et al, 2011). In this study, although the leaf weight was reduced under I 75 , the LAI was not influenced by moderate drought stress.…”

Section: Biomass Productionmentioning

confidence: 43%

“…When soil moisture is low, plants close their stomata to prevent massive water loss from transpiration, which in turn limits CO 2 availability for C assimilation and dry matter production (Sun et al, 2013). It seems that one primary reaction of plants to deficit irrigation during the vegetative growth stage is reduction of leaf number, leaf area, and plant height (Rostamza et al, 2011). The partitioning of dry matter to leaves, stalks, and heads was also affected by deficit irrigation (Table 4).…”

Section: Biomass Productionmentioning

confidence: 99%

“…Limited information is available in be due to lower rate of leaf development, cell enlargement, or accelerated senescence (Rostamza et al, 2011). Also, in PM and VC treatments, 17 and 18% more energy was used compared with the control.…”

Section: Energy Inputmentioning

confidence: 99%

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Potential of Milk Thistle for Biomass Production in Semiarid Regions

et al. 2015

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Water shortage is the major constraint for biomass production in semiarid regions. Biomass production of milk thistle [Silybum marianum (L.) Gaertn] and energy balance of this crop under different irrigation regimes (full and deficit irrigation) and soil organic amending treatments (poultry manure [PM] and vermicompost [VC]) was evaluated in a two‐year field experiment. Biomass yield reduced by 10 and 22% under moderate (I75) and severe deficit (I50) irrigation, respectively. Under deficit irrigation, the contribution of leaves and heads to the final biomass reduced in favor of the stalk. Regardless of the irrigation regime, application of soil amendments improved biomass yield. Total energy input used for milk thistle production was 9829 MJ ha−1, in which 68% was related to nonrenewable energy sources. Diesel fuel (51%) had the biggest share of energy used for milk thistle production, followed by irrigation water and machinery. Energy input in I75 and I50 was 7 and 15% less than full irrigation (I100). Net energy obtained from milk thistle was 116,688 MJ ha−1 with energy efficiency (energy output/energy input ratio) of 12.8. Taking into account that milk thistle is an annual crop with low energy input requirements, it seems that milk thistle has a considerable potential for biomass production using I75 in regions with limited irrigation water availability.

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Section: Biomass Productionmentioning

confidence: 43%

Section: Biomass Productionmentioning

confidence: 99%

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Potential of Milk Thistle for Biomass Production in Semiarid Regions

et al. 2015

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“…Further, various researchers reported that impaired mitosis, cell elongation and expansion result reduced plant height, leaf area and crop growth under drought stress (Nonami, 1998;Kaya et al, 2006;Hussain et al, 2008). Now, in these days it is well established that reduced dry matter yield of forage is associated with drought stress (Marsalis et al, 2009;Marsalis & Bean, 2010;Rostamza et al, 2011;Jahanzad et al, 2013). Result of this study suggested that use of zeolite increased dry forage yield (P < 0.01) by 20% from 11202 kg.…”

Section: Forage Dry Mattersupporting

confidence: 55%

“…Demand of water for irrigation continuously increasing while a drastic reduction was reported in the availability of water, condition became more critical under arid and semi-arid environmental conditions (Rostamza et al, 2011). Alternative forage sources which can grow under these extreme conditions could be utilized to cope with the declining water availability (Marsalis & Bean, 2010).…”

Section: Introductionmentioning

confidence: 99%

Effect of different irrigation regimes and zeolite application on yield and quality of silage corn hybrids

Paknejad¹,

Seif²,

Azizi³

et al. 2017

JEBAS

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Present study was carried out to evaluate the effects of irrigation regimes and zeolite on the yield and quality parameters of silage corn hybrids. Study was conducted at Seed and Plant Improvement Institute in Karaj, Iran during 2013. The experiment was arranged in a three-replicated split-spilt plot based on randomized complete blocks design (RCBD) including three irrigation regimes as main plots (irrigation after 70, 100 and 130 mm evaporation from standard class A evaporation pan), two levels of zeolite as sub plots (0, 10 ton/ha) and three hybrids of silage corn (KSC704, KSC705 and KSC720) as sub subplot. Results of this study indicated that increasing water stress from optimum irrigation (Ir70) to moderate (Ir100) and low irrigation (Ir130) caused 25 and 37% reduction in forage dry matter yield but no significant difference was reported in protein yield. Moreover, application of zeolite have significant effect on forage yield and also have significant effect on protein yield (P<0.01). Forage quality parameters including water soluble carbohydrates, crude protein, acid detergent fiber and neutral detergent fiber increased and dry matter digestibility reduced when there was limited irrigation imposition. Among the tested corn seed hybrids KSC704 hybrid produced the highest dry forage yield and in terms of protein yield, no significant difference was reported between KSC720. KSC705 hybrid had the lowest acid detergent fiber and neutral detergent fiber and the highest dry matter digestibility.

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Investigating the influence of varying water regimes on the growth and development and nutritional water productivity of bush tea (Athrixia phylicoides DC.)

Rumani,

Mabhaudhi,

Mandizvo

et al. 2024

Urban Agric & Regnl Food Sys

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Bush tea (Athrixia phylicoides DC.) is an indigenous shrub of South Africa known for its medicinal properties. However, due to a lack of comprehensive information to develop suitable irrigation management strategies, the cultivation of bush tea is currently limited to small‐scale operations. Considering this limitation, the current research investigated the effect of water regimes on the growth and development, yield, and nutrient content along with its nutritional water productivity (NWP) under field conditions. The treatment consisted of a crop water requirement (ETa) of 100%, 30%, and the control (stress) in a complete randomized block design (CRBD). Each treatment was replicated three times to ensure robustness and accuracy of the findings. Results demonstrated that the highest gravimetric moisture content readings were found in the control treatment and the lowest in the 100% treatment. Conversely, the 30% ETa treatment significantly (p < 0.05) impacted bush tea's growth, development, productivity, and NWP. However, it was observed that the 100% ETa treatment resulted in a higher biomass yield (259.1 kg/ha) compared to the 30% ETa treatment (171.2 kg/ha) and control (stress) (68.2 kg/ha). The water productivity exhibited notable differences across the varying water regimes. These findings contribute valuable insights for developing appropriate irrigation management strategies to overcome existing limitations in the scale of bush tea production. The research lays the groundwork for future studies and practical applications aimed to foster the sustainable cultivation of bush tea in South Africa.

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Effects of Water Stress and Nitrogen Fertilizer on Multi-Cut Forage Pearl Millet Yield, Nitrogen, and Water Use Efficiency

Cited by 21 publications

References 26 publications

Potential of Milk Thistle for Biomass Production in Semiarid Regions

Potential of Milk Thistle for Biomass Production in Semiarid Regions

Effect of different irrigation regimes and zeolite application on yield and quality of silage corn hybrids

Investigating the influence of varying water regimes on the growth and development and nutritional water productivity of bush tea (Athrixia phylicoides DC.)

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