List of Articles WUE

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  1 - Study of relationship between soybean crop yield and water consumption
  Davood Akbari Nodehi
  Conservation of good quality water is an important challenge in arid and semi-arid regions. The objectives of this study were to determine the most sensitive growing stage to drought stress and to estimate yield reaction coefficient during water shortage perio More

  Conservation of good quality water is an important challenge in arid and semi-arid regions. The objectives of this study were to determine the most sensitive growing stage to drought stress and to estimate yield reaction coefficient during water shortage period and water use efficiency. An experiment with complete randomized block scheme by 3 repetitions and 7 water treatment was established for JK cultivar of soybean in spring cultivation. Water deficit treatments in different growing stages were consisted of irrigation in full growing period (Control Treatment), irrigation with moisture stress in vegetative stage, irrigation with water stress in flowering stage, irrigation with moisture stress in grain filling stage, irrigation with moisture stress in vegetative stage and flowering stage, irrigation with moisture stress in vegetative stage and grain filling stage, irrigation with moisture stress in flowering stage and grain filling stage. The obtained results indicated that flowering stage is the most sensitive stage for soybean growing period in Mazandaran Province. In irrigation with water stress in vegetative stage, water consumption was reduced 28 percent, while 4 percent reduction of yield was observed. Irrigation with moisture stress in vegetative stage also had Maximum water use efficiency. Manuscript profile
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  2 - The Effect of Drought Stress on Agrophysiological Traits of Corn (Zea mays L.) Cultivars in Khoy Condition
  MirHamid Aboutalebi Abdollah Hasanzadeh Ghorttapeh Amir Fayaz Moghadam
  10.30495/jcep.2020.671642
  Over use of water and unnecessary limitation irrigation water, both affects economic production of corn. Therefore, it is necessary to use different irrigation regimes in order to determine the most suitable irrigation interval with minimum effect on yield. To study the More

  Over use of water and unnecessary limitation irrigation water, both affects economic production of corn. Therefore, it is necessary to use different irrigation regimes in order to determine the most suitable irrigation interval with minimum effect on yield. To study the effect of different irrigation regimes on forage and grain yield of three varieties of maize, an experiment was carried out at the Research Center of Khoy, a province of west Azarbaijan, in 2008. The experiment was carried out with four replications in an form of split plot based on randomized complete block design. The main plot consisted of four levels of irrigation intervals (I1, I2, I3 and I4) of corn plots, irrigated after 60, 90, 120 and 150 (mm) evapotranspiration pan. Subplots consisted of three varieties of corn (SC704, Maxima524, Jeta600). In this experiment, different features of maize varieties were analyzed and measured at milk stage (R3) as forage. Results showed that by increasing irrigation cycle and as a result decreasing water using in four levels of irrigation, traits like forage yield, ear weight, plant height, stem and leaf weight, ear leaf area and relative water content have decrease in treatment according to decrease in water used. Among three the varieties under study, Maxima524 due to lower growing period as compared to the other two varieties, used low water volumes while yielded equal to the other two varieties. Overall, results showed that Maxima524 based on irrigation after 90 mm evaporation is found to be low water user against optimal performance. Manuscript profile
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  3 - Response of Marigold Flower Yield and Yield Components to Water Deficit Stress and Nitrogen Fertilizer
  Seyyed Gholamreza Moosavi Mohamad Javad Seghatoleslami Mansour Fazeli-Rostampoor Zeinolabedin Jouyban
  In order to study the effect of water deficit stress and different nitrogen levels on flower yield, yield components and water use efficiency of Calendula officinalis L., an experiment was conducted as split plot based on randomized complete block design with three repl More

  In order to study the effect of water deficit stress and different nitrogen levels on flower yield, yield components and water use efficiency of Calendula officinalis L., an experiment was conducted as split plot based on randomized complete block design with three replications, at research field of Islamic Azad University, Birjand branch in 2009. In this experiment, irrigation treatments (irrigation after 60, 120 and 180 mm cumulative evaporation from pan class A) set as main plots and nitrogen rates (0, 60,120 and 180 kg N ha-1) set as sub plots. The results showed that increasing irrigation interval from 60 to 180 mm cumulative evaporation reduced flower number per m-2, biomass yield and plant height 65.6, 69.3 and 8.3%, respectively. Also in comparison with control, irrigation after 120 and 180 mm evaporation reduced flower dry yield 16.2 and 72%, respectively. However, the highest WUE was related to irrigation after 120 mm evaporation (0.161 and 0.788 kg m-3 for dry flower and biomass, respectively). Nitrogen fertilizer utilization significantly increased flower yield, flower number, biological yield, WUE and plant height, but there was not any significant difference between 120 and 180 kg N ha-1 treatments. Interaction of irrigation and nitrogen on all traits was not significant. Totally, the results indicated that treatment of irrigation after 120 mm evaporation with 120 kg N ha-1 application is suitable for marigold cultivation in Birjand Manuscript profile
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  4 - Effects of partial root drying technique on agricultural and medicinal plants
  Mahdi Malekpour Masood Parsinejad
  Water resources are very important to agricultural crop production due to increasing demand for food, feed, and fiber. There is a growing requirement for more use of our natural resources of land, soil, and water. There is ever-increasing pressure on water resources for More

  Water resources are very important to agricultural crop production due to increasing demand for food, feed, and fiber. There is a growing requirement for more use of our natural resources of land, soil, and water. There is ever-increasing pressure on water resources for our extensive use in agricultural production. There needs to be innovative solutions for more efficient irrigation techniques for better development of agricultural irrigation management. This review paper shows the consequences of partial root-zone drying happening on various plant species, its advantages and disadvantages, and also the hormone production under partial root-zone drying. In this technique of irrigation, a wet-dry cycle irrigates the crop, i.e., irrigation is scheduled at a regular interval with half way root drying. This is a water-saving irrigation strategy used in arid and semi-arid environments for increasing irrigation water use efficiency and water productivity as compared to fully irrigated crop plants in area with limited water resources. Scientists have worked a lot with different morphological, physiological, and yield related parameters of horticultural crops with partial root-zone drying but little work with agronomic crops. Manuscript profile