Water dynamics, productivity and heat use efficiency responses in wheat (Triticum aestivum) to land configuration techniques and irrigation schedules

Rajanna, G. A.; Dhindwal, A. S.

doi:10.56093/ijas.v89i6.90758

Cited by 12 publications

(9 citation statements)

References 10 publications

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“…This can be affordable for smallholder farmers with limited labour who often face water and labour shortages. This result also agrees with the summary provided by Gupta et al (2017), Hossain et al (2014), Rajanna et al (2016) and Mekonnen et al (2012), who reported that the NSPP increases with an increase in irrigation water amount.…”

Section: Response Of Haricot Bean Crop Yield Attributes To Sisupporting

confidence: 93%

Field evaluation of haricot bean (Phaseolus vulgaris L.) response to supplemental irrigation in Arba Minch area: Southern Ethiopia

Otoro,

Hatiye

2023

Irrigation and Drainage

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This study aimed to determine the impact of supplemental irrigation (SI) on the water use efficiency and yield of haricot beans during the growing seasons from 2020 to 2022. Six treatments were tested, including rain‐fed/no irrigation (T1), full irrigation throughout the season (T2), SI at vegetative, flowering and pod formation (T3), SI at emergence, vegetative and pod formation (T4), SI at emergence, flowering and grain filling (T5) and SI at emergence, pod formation and grain filling (T6), with three replications arranged in a randomized complete block design. The results showed that T2 significantly affected all growth and yield parameters except pod length and harvest index. However, T3 provided better water use efficiency and more acceptable yield reduction than T2. Thus, applying SI during the vegetative, flowering and pod formation phases proves to be more efficient for the production of haricot beans in the area under study as it leads to better economic returns and water productivity. In summary, irrigating the crop during the critical growth stages would result in water conservation and improved water productivity. Further research is recommended on SI to improve water use efficiency across different locations and seasons.

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Section: Response Of Haricot Bean Crop Yield Attributes To Sisupporting

confidence: 93%

Field evaluation of haricot bean (Phaseolus vulgaris L.) response to supplemental irrigation in Arba Minch area: Southern Ethiopia

Otoro,

Hatiye

2023

Irrigation and Drainage

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“…Concurrently, application of surplus supplemental irrigation (SSI) & narrow row spacing noted highest water use efficiency (WUE), while deficit supplemental irrigation (DSI) at reproductive stage with broader row spacing noted with less WUE [ 46 ]. Rajanna and Dhindwal [ 32 ] reported that the raised bed planting of wheat saved 15–35% irrigation water through higher irrigation water productivity.…”

Section: Discussionmentioning

confidence: 99%

“…After irrigation, the depth of water in each plot was measured at 10 selected spots using a measuring scale. Crop water productivity (CWP) and irrigation water productivity (IWP) were computed using the expressions 8 and 9, as provided by Rajanna et al [ 32 ].…”

Section: Methodsmentioning

confidence: 99%

System of wheat intensification (SWI): Effects on lodging resistance, photosynthetic efficiency, soil biomes, and water productivity

Singh,

Upadhyay,

Dhar

et al. 2024

PLoS ONE

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Intense cultivation with narrow row spacing in wheat, a common practice in the Indo-Gangetic plains of South Asia, renders the crop more susceptible to lodging during physiological maturity. This susceptibility, compounded by the use of traditional crop cultivars, has led to a substantial decline in overall crop productivity. In response to these challenges, a two-year field study on the system of wheat intensification (SWI) was conducted. The study involved three different cultivation methods in horizontal plots and four wheat genotypes in vertical plots, organized in a strip plot design. Our results exhibited that adoption of SWI at 20 cm × 20 cm resulted in significantly higher intercellular CO2 concentration (5.9–6.3%), transpiration rate (13.2–15.8%), stomatal conductance (55–59%), net photosynthetic rate (126–160%), and photosynthetically active radiation (PAR) interception (1.6–25.2%) over the existing conventional method (plant geometry 22.5 cm × continuous plant to plant spacing) of wheat cultivation. The lodging resistance capacity of both the lower and upper 3rd nodes was significantly higher in the SWI compared to other cultivation methods. Among different genotypes, HD 2967 demonstrated the highest recorded value for lodging resistance capacity, followed by HD 2851, HD 3086, and HD 2894. In addition, adoption of the SWI at 20 cm × 20 cm enhanced crop grain yield by 36.9–41.6%, and biological yield by 27.5–29.8%. Significantly higher soil dehydrogenase activity (12.06 μg TPF g-1 soil hr-1), arylsulfatase activity (82.8 μg p-nitro phenol g-1 soil hr-1), alkaline phosphatase activity (3.11 n moles ethylene g-1 soil hr-1), total polysaccharides, soil microbial biomass carbon, and soil chlorophyll content were also noted under SWI over conventional method of the production. Further, increased root volumes, surface root density and higher NPK uptake were recorded under SWI at 20×20 cm in comparison to rest of the treatments. Among the tested wheat genotypes, HD-2967 and HD-3086 had demonstrated notable increases in grain and biological yields, as well as improvements in the photosynthetically active radiation (PAR) and chlorophyll content. Therefore, adoption of SWI at 20 cm ×20 cm (square planting) with cultivars HD 2967 might be the best strategy for enhancing crop productivity and resource-use efficiency under the similar wheat growing conditions of India and similar agro-ecotypes of the globe.

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“…Despite the fact that our study focused on soil bacterial communities, soil fungi play an important role in SOC cycling 51 . Furthermore, soil fungi and their oxidative enzymes play a key role in the degradation of organic matter compounds with condensed aromatic ring structures, such as cellulose and lignin 52 . As a result, fungi are an excellent target for future research into the effects of rice residue on soil microbial communities.…”

Section: Discussionmentioning

confidence: 99%

Rice residue management alternatives in rice–wheat cropping system: impact on wheat productivity, soil organic carbon, water and microbial dynamics

Korav,

Yadav,

Yadav

et al. 2024

Sci Rep

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In the Indo-Gangetic Plains (IGP), rice–wheat cropping system (RWCS) predominates, producing large quantity of crop residue and its management is major concern. Farmers usually burn the residue to clear the field for succeding crop, and burning damages soil microbes, resulted in loss of soil organic matter. Hence, current study was conducted to assess the impact of different Happy seeder based residue management options on changes in microbial dynamics, enzyme activities and soil organic matter content and also to know that alternative method for attaining sustainable wheat productivity in sandy loam soils of Haryana, India. Results revealed that Zero tillage wheat (ZTW) with partial and full residue retention treatments sown with Happy seeder (after using chopper and spreader), and ZTW with anchored stubbles significantly enhanced soil microbial count by 47.9–60.4%, diazotropic count by 59.0–73.1% and actinomycetes count by 47.3–55.2%, grain yield by 9.8–11.3% and biomass yield by 7.4–9.6% over conventional tilled (CT) residue burning and residue removal plots. ZTW sown with surface retention of rice crop residue increased the organic carbon by 0.36–0.42% and the soil moisture content by 13.4–23.6% over CTW without residue load. Similarly, ZTW sown with Happy seeder with full residue enhanced alkaline phosphatase activity from 95.3 µg TPF g−1 soil 24 h−1 in 2018–2019 to 98.6 µg TPF g−1 soil 24 h−1 in 2019–2020 over control plots. Likely, microbial population and enzymatic activity showed strong positive correlation under variable residue retention practices. However, increased microbial population reduced the soil pH from 7.49 to 7.27 under ZTW with residue retention plots. The wheat yield enhanced by 9.8–11.3% during 2018–2019 and 2019–2020 under ZTW with Happy seeder with full residue load over residue burning and residue removal plots. ZTW sown with Happy seeder under full residue retention, achieved maximum net return 43.16–57.08 × 103 ₹ ha−1) and B-C ratio (1.52 to 1.70) over CTW without residue. Therefore, rice residue needs to be managed by planting wheat using appropriate machinery under ZT for sustaining higher productivity in RWCS and improve soil health and environment under IGP regions.

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Water dynamics, productivity and heat use efficiency responses in wheat (Triticum aestivum) to land configuration techniques and irrigation schedules

Cited by 12 publications

References 10 publications

Field evaluation of haricot bean (Phaseolus vulgaris L.) response to supplemental irrigation in Arba Minch area: Southern Ethiopia

Field evaluation of haricot bean (Phaseolus vulgaris L.) response to supplemental irrigation in Arba Minch area: Southern Ethiopia

System of wheat intensification (SWI): Effects on lodging resistance, photosynthetic efficiency, soil biomes, and water productivity

Rice residue management alternatives in rice–wheat cropping system: impact on wheat productivity, soil organic carbon, water and microbial dynamics

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