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Deficit Irrigation - Science topic

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Proper guidance for starting a research career in the field of agricultural engineering.
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Understand or define the topic (with bounds on it)
Develop a list of key words and search criteria
Determine the journals that you will search (sometimes a simple Google search is not effective in locating the correct papers)
Determine the time line (last 10 years, last 50 years, etc.)
Take the time to look at the titles of papers in the journals selected
Compile the papers
Read the papers
Write a review of the papers
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I mean, is it possible to deliver water as water vapor to the plant root zone? No matter which irrigation method is used, plants cannot benefit from a significant portion of irrigation water. Because we actually give water to the soil, not to the plant. The plant is able to use the water left over from evaporation and deep percolation. Even if we assume that there is no deep percolation, a significant part of the water evaporates from the gaps in the soil. As a suggestion, I think that water can be applied in the form of water vapor to save water in agriculture. Similar to the subsurface drip irrigation system, when the water vapor reaches the root zone of the plant, it can feed the plant roots. There are several methods for evaporating water, but it is necessary to determine an economical and viable method under field conditions.
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interested idea
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Irrigated (e.g: 20-25% of the available water holding capacity is supplied)
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Crop water stress index- What you are mentioning is based on canopy temperature or deficit irrigation by stopping irrigation
There are several approaches, by which you do. It may be based on soil moisture based ( Up to Wilting point), 2) deficit irrigation based on actual ETc ( 50 %, 60 % etc) . Kindly clarify on this. One of the paper on CWSI I am enclosing for reference.
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Timing of irrigation is very sensitive to crop growth and development. Is there any potential impact of RDI or PRD on crops? Let's discuss about RDI and PRD.
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Regulated deficit irrigation and partial rootzone drying have great potential to contribute to an increasingly water-efficient horticulture. PRD is better because deficit irrigation where deeper uppermost wet/dry zones are spatially separated and PRD timings are flexible.
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How to give data for full irrigation and deficit irrigation of any crop in CROPWAT. How to interpret the results
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Dear shreedhar, can you put more CRO files of crops??
I want to work on urmia-Iran region but I cant find the CRO files of crops?
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I want to know field experience about the water stress percent allowable for pistachio.
Thanks
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Dear Bita, 
There are several studies on the effects of deficit irrigation on pistachio. In those studies you can find useful information about  the specific relationships between plant water stress and reproductive growth and development. Please chek the following article, which should be a good starting point before contacting Drs. Ken Shackel, or Elias Fereres.   
Best regards,