Effect of irrigation scheduling on tomato (Lycopersicon esculentum) yield and water use efficiency under drip irrigation System

2018 ◽  
Vol 7 (1) ◽  
pp. 91
Author(s):  
Ram Kumar ◽  
Deepak Singh ◽  
Gurcharan Singh
Keyword(s):  
Lycopersicon Esculentum ◽  
Water Use Efficiency ◽  
Water Use ◽  
Drip Irrigation ◽  
Irrigation System ◽  
Irrigation Scheduling ◽  
Drip Irrigation System ◽  
Use Efficiency

scholarly journals Nitrate Leaching, Yields, and Water-use Efficiency of Zucchini Squash (Cucubita pepo) under Different Irrigation and Nitrogen Rates and Methods in a Sandy Soil

HortScience ◽  
2006 ◽  
Vol 41 (4) ◽  
pp. 988B-988
Author(s):  
Lincoln Zotarelli ◽  
Johannes Scholberg ◽  
Michael Dukes ◽  
Hannah Snyder ◽  
Eric Simonne ◽  
...  
Keyword(s):  
Water Use Efficiency ◽  
Water Use ◽  
Nitrate Leaching ◽  
Drip Irrigation ◽  
Irrigation System ◽  
Groundwater Resources ◽  
Irrigation Scheduling ◽  
Control Treatment ◽  
N Leaching ◽  
Use Efficiency

On sandy soils, potential N contamination of groundwater resources associated with intensively managed vegetables may hamper the sustainability of these systems. The objective of this study was to evaluate the interaction between irrigation system design/scheduling and N fertilization rates on zucchini production and potential N leaching. Zucchini was planted during Fall 2005 using three N fertilizer rates (73, 145, 217 kg/ha) and four different irrigation approaches. Irrigation scheduling included surface-applied drip irrigation and fertigation: SUR1 (141 mm applied) and SUR2 (266 mm) using irrigation control system (QIC) that allowed time-based irrigation (up to five events per day) and a threshold setting of 13% and 15% volumetric water content (VWC), respectively; Subsurface drip irrigation (SDI) using a QIC setting of 10% VWC (116 mm) combined with surface applied fertigation; and a control treatment with irrigation applied once daily (424 mm). Leacheate volumes were measured by drainage lysimeters. Nitrate leaching increased with irrigation rate and N rate and measured values ranged from 4 to 42 kg N/ha. Use of SDI greatly reduced nitrate leaching compared to other treatments. SDI and SUR1 treatments had no effect on yields (29 Mg/ha). However, SDI had a 15% and 479% higher water use efficiency (WUE) compared to SUR1 and the fixed irrigation duration treatment. Application of N in excess of intermediate N-rate (standard recommendation) did not increase yield but yield was reduced at the lowest N-rate. It is concluded that combining sensor-based SDI with surface applied fertigation resulted similar or higher yields while it reduced both water use and potential N leaching because of improved nutrient retention in the active root zone.

Straw Mulching under a Drip Irrigation System Improves Maize Grain Yield and Water Use Efficiency

Crop Science ◽  
2019 ◽  
Vol 59 (6) ◽  
pp. 2806-2819 ◽  
Author(s):  
Baoyuan Zhou ◽  
Di Ma ◽  
Xuefang Sun ◽  
Zaisong Ding ◽  
Congfeng Li ◽  
...  
Keyword(s):  
Grain Yield ◽  
Water Use Efficiency ◽  
Water Use ◽  
Drip Irrigation ◽  
Irrigation System ◽  
Drip Irrigation System ◽  
Straw Mulching ◽  
Maize Grain Yield ◽  
Use Efficiency ◽  
Maize Grain

Irrigation scheduling through drip and surface methods- A critical review on growth, yield, nutrient uptake and water use studies of rabi maize

2018 ◽  
Author(s):  
M.M. Kadasiddappa ◽  
V. Praveen Rao
Keyword(s):  
Water Use Efficiency ◽  
Water Use ◽  
Drip Irrigation ◽  
Crop Production ◽  
Irrigation System ◽  
Irrigation Scheduling ◽  
N Leaching ◽  
Contributing Factors ◽  
Maize Crop ◽  
Use Efficiency

Water is the prime natural resource, which is often costly and limiting input particularly in arid and semi arid regions, hence needs judicious use to reap the maximum benefit from this limiting resource. Indian farmers are now finding ways to shift from traditional practices to more modern technologies for crop production. Of late, drip irrigation is receiving better appreciation, acceptance, and adaption and plays an important role in saving the water in water scarce areas. It enables the efficient use of limited water with higher water use efficiency. Adaptation of drip irrigation in rabi maize which is one of the amenable crop for drip irrigation system is gaining momentum because of its higher productivity coupled with higher price. Irrigation application can be reduced by 50 to 80 per cent with drip irrigation compared to surface irrigation. Further, drip irrigation has the potential for improving two of the most common contributing factors to N leaching – over fertilization and over irrigation. Therefore, optimum irrigation levels with suitable method would help in enhancing the economic yield as well as water use efficiency of maize crop.

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