Improvement of crop yield, soil moisture distribution and water use efficiency in sandy soils by clay application

Ismail, Saleh M.; Ozawa, Kiyoshi

doi:10.1016/j.clay.2006.12.005

Cited by 86 publications

(58 citation statements)

References 19 publications

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“…The results might be due to the higher available soil water content in 100% WR than in other water regimes (Ismail ). Proper soil water content promotes dense root development and consequently improved the aboveground biomass through the increase in water and nutrients absorption (Ismail and Ozawa ; Madani et al . ).…”

Section: Discussionmentioning

confidence: 99%

Blue panic‐alfalfa combination as affected by irrigation water regimes and forage mixing ratio under subsurface drip irrigation in arid regions

2018

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A field experiment designed in a split plot with four replications was carried out at the Agriculture Research Station of King Abdulaziz University, Jeddah, Saudi Arabia to study the response of blue panic (Panicum antidotale L. cv. Australian‐110) ‐ alfalfa (Medicago sativa L. cv. Cuf 101 USA) forage production, quality and land and water use efficiencies to three irrigation water regimes and six intercropping mixing ratios. The main plots were 100, 80 and 60% of crop water requirement (WR). Under each water regime six intercropping ratios: IC1 (1 row alfalfa: 1 row blue panic), IC2 (2 alfalfa: 1 blue panic), IC3 (3 alfalfa: 1 blue panic), IC4 (4 alfalfa: 2 blue panic), IC5 (alfalfa sole crop) and IC6 (blue panic sole crop) were investigated. Results revealed that difference in fresh and dry forage yields between the 100% WR and 80% WR treatments were minimal in all cuts. The IC5 produced the least forage yield while IC6 produced the highest compared to all treatments. The IC1 produced the highest forage yield compared with IC2, IC3 and IC4. Irrigation water use efficiency of 80% WR was higher than in 100% WR but fewer than in 60% WR. The highest land equivalent ratio was obtained from IC1. Intercropping ratios increased protein content in forage compared to blue panic sole plantation. Applying 80% WR reduced dry matter yield by 10% while saving 20% of irrigation water. Applying 60% WR reduced dry matter yield by 20.7% while saving 40% of irrigation water.

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Section: Discussionmentioning

confidence: 99%

Blue panic‐alfalfa combination as affected by irrigation water regimes and forage mixing ratio under subsurface drip irrigation in arid regions

2018

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“…As a result, all supplied water was efficiently used by plants with minimal or no losses and covered their water requirements. Similar results were reported by Ismail and Ozawa (), Singh et al () and Ismail and Almarshadi () who said that when the water distribution pattern is met by the root distribution system, water uptake is increased, supplying the plant water requirement, which increased plant growth and production.…”

Section: Discussionmentioning

confidence: 99%

Optimizing Tomato Productivity and Water Use Efficiency Using Water Regimes, Plant Density and Row Spacing Under Arid Land Conditions

Ismail

Mousa

2014

Irrig. and Drain.

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A field experiment was conducted to study the effect of water regime (W), row spacing (RS) and plant density (D) on growth and productivity of tomato cv. 'Pito Pride' at the Agriculture Experimental Station of King Abdulaziz University. Two water regimes, W1 (70% of water requirement) and W2 (full water requirement) were studied. Under each water regime three row spacings (RS1, RS2, RS3) and two plant densities D1 (single plant per dripper) and D2 (two plants per dripper) were investigated. Results revealed that W1 reduced number of days to flowering and fruit setting, plant height, plant fresh weight and total yield, while it increased water productivity (WP). Decreasing RS increased water supply and total yield but decreased growth characteristics. D2 increased total yield by 122–168% and WP by 131–180% compared to D1. Interaction between the three variables investigated was significant for all assessed characteristics except fruit yield per plant, total fruit yield and WP. These characteristics were affected by the interaction between RS and D. The highest total yield and WP were obtained from the RS2‐D2 treatment. This treatment increased total yield per ha by 11–331% and WP by 12–300% compared with the maximum and minimum yield of other investigated treatments of both seasons. Copyright © 2014 John Wiley & Sons, Ltd.

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“…Zhou and Hosomi (2008) reported that N uptake by a type of forage rice reached up to 377 kg N ha −1 . Sandy soil (G/M4 and R4) showed a lower crop N uptake than the other soils, possibly because of the water and nutrient deficiencies in sand soil (Ismail and Ozawa, 2007). Generally, the paddy rice fields showed a high N use efficiency ranging from 37%-58% and with an average of 50%, while that of uplands was 27%-42%, with an average of 34%.…”

Section: Long-term Impacts Of Intensive Manure Applicationmentioning

confidence: 89%

Evaluation of N environmental risks on Andosols from an intensive dairy farming watershed using DNDC

Deng

Bellingrath-Kimura

Zeng

et al. 2015

Science of The Total Environment

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Manure nitrogen (N) in the livestock sector has become a key driver of environmental change. The denitrification-decomposition (DNDC) model was used to evaluate N pollution strengths on Andosols with intensive dairy manure application in Upper Naka River Watershed, Japan. The calibrated model was capable of predicting Andosol N flows because the simulated soil mineral N content, soil nitrogen oxide (N2O) fluxes, denitrification rate, and crop N uptake matched the patterns and magnitudes of the field observations from a wide range of soil textures, as well as manure management and cropping systems. The simulations showed that current intensive manure application systems caused low crop N use efficiency and a large amount of NO3(-)-N leaching and N2O emission. The crop N use efficiency was 27%-42% and 37%-55% of input N for uplands and paddy rice, respectively. The uplands showed much more serious N environmental pollution risks with N leaching 123-362 kg N ha(-1) yr(-1) and N2O emissions 6.53-11.8 kg N ha(-1) yr(-1) than that in the lowland paddy rice with N leaching 17.4-103 kg N ha(-1) yr(-1) and N2O emissions 0.59-2.77 kg N ha(-1) yr(-1). Forage rice/barley crop systems have high N cleaning capability due to the greater crop N uptake which reached to 304 kg N ha(-1) yr(-1). High precipitation stimulated more NO3(-)-N leaching. Sandy soil also showed higher N leaching and was unsuitable for paddy rice. Slurry application stimulated more N2O emission than compost manure. To mitigate the current high N pollution, the critical N application rate was recommended to be approximately 380, 470, 640, and 390 kg N ha(-1) yr(-1) for loam sand planted with maize/grass, loam soil with maize/grass, forage rice/barley, and rice/fallow with winter manure application, respectively.

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Improvement of crop yield, soil moisture distribution and water use efficiency in sandy soils by clay application

Cited by 86 publications

References 19 publications

Blue panic‐alfalfa combination as affected by irrigation water regimes and forage mixing ratio under subsurface drip irrigation in arid regions

Blue panic‐alfalfa combination as affected by irrigation water regimes and forage mixing ratio under subsurface drip irrigation in arid regions

Optimizing Tomato Productivity and Water Use Efficiency Using Water Regimes, Plant Density and Row Spacing Under Arid Land Conditions

Evaluation of N environmental risks on Andosols from an intensive dairy farming watershed using DNDC

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