scholarly journals IRRIGATION WATER MANAGEMENT TECHNIQUES FOR LOWLAND FURROW-IRRIGATED SOYBEAN IN SOUTHERN BRAZIL

2021 ◽  
Vol 41 (2) ◽  
pp. 127-134
Author(s):  
Elisa A. Gollo ◽  
Adroaldo D. Robaina ◽  
Marcia X. Peiter ◽  
Rafael Z. Goulart ◽  
Miguel Chaiben Neto
Keyword(s):  
Water Management ◽  
Irrigation Water ◽  
Southern Brazil ◽  
Irrigation Water Management ◽  
Management Techniques

scholarly journals Effect of intercropping madumbe (Colocasia esculenta) and rice (Oryza sativa L.) on yield and land productivity under different irrigation water management techniques with effluent water

Water SA ◽  
2020 ◽  
Vol 46 (2 April) ◽  
Author(s):  
TI Busari ◽  
A Senzanje ◽  
AO Odindo ◽  
CA Buckley
Keyword(s):  
Water Management ◽  
Irrigation Water ◽  
Block Design ◽  
Irrigation Management ◽  
Growth And Yield ◽  
Rice Grain ◽  
Land Productivity ◽  
Irrigation Water Management ◽  
Sole Cropping ◽  
Management Techniques

The need for the optimal use of land, without a yield penalty, in urban and peri-urban (UP) settlements is vital. This study investigated the effect of intercropping madumbe and rice with respect to yield and land productivity when irrigated with anaerobic baffled reactor (ABR) effluent under different irrigation water management techniques. It was hypothesized that intercropping under different irrigation water management techniques has no effect on the yield and land productivity. Field trials were conducted in the 2017 and 2018 cropping seasons with ABR effluent (without fertilizer) at the Newlands Mashu Experimental Site, Newlands East, Durban, South Africa. A randomized complete block design with 3 replications; cropping treatments of sole madumbe, sole rice and madumbe + rice (intercrop) and irrigation treatments of alternate wetting and drying (AWD), continuous flood irrigation (CFI) and wetting without flooding (WWF) was used. Growth and yield parameters at harvest were determined. Thereafter, land equivalent ratio (LER) was calculated to evaluate the productivity of the intercrop. The effect of intercropping was significant (P < 0.05) on the total number of irrigation events and total water use. There was a significant reduction (P < 0.05) in plant heights of both madumbe and rice at intercrop. However, the effect on plant height for treatment CFI was positive but not significant (P > 0.05) for both seasons. A significant (P < 0.05) reduction also occurred in the number of madumbe leaves/plant, and panicles/plant and tillers/plant for rice. Intercropping significantly reduced (P < 0.05) madumbe corm and rice grain yield over the two seasons relative to sole cropping.  LER showed that intercropping madumbe with rice was not more productive (LER < 1) than sole cropping of madumbe. It was concluded that over the two-season period, intercropping madumbe and rice do not yield appreciably under any of the three irrigation management techniques applied and the study hypothesis is thus rejected.

scholarly journals Effect of intercropping madumbe (Colocasia esculenta) and rice (Oryza sativa L.) on yield and land productivity under different irrigation water management techniques with effluent water

Water SA ◽  
2020 ◽  
Vol 46 (2 April) ◽  
Author(s):  
TI Busari ◽  
A Senzanje ◽  
AO Odindo ◽  
CA Buckley
Keyword(s):  
Water Management ◽  
Irrigation Water ◽  
Block Design ◽  
Irrigation Management ◽  
Growth And Yield ◽  
Rice Grain ◽  
Land Productivity ◽  
Irrigation Water Management ◽  
Sole Cropping ◽  
Management Techniques

The need for the optimal use of land, without a yield penalty, in urban and peri-urban (UP) settlements is vital. This study investigated the effect of intercropping madumbe and rice with respect to yield and land productivity when irrigated with anaerobic baffled reactor (ABR) effluent under different irrigation water management techniques. It was hypothesized that intercropping under different irrigation water management techniques has no effect on the yield and land productivity. Field trials were conducted in the 2017 and 2018 cropping seasons with ABR effluent (without fertilizer) at the Newlands Mashu Experimental Site, Newlands East, Durban, South Africa. A randomized complete block design with 3 replications; cropping treatments of sole madumbe, sole rice and madumbe + rice (intercrop) and irrigation treatments of alternate wetting and drying (AWD), continuous flood irrigation (CFI) and wetting without flooding (WWF) was used. Growth and yield parameters at harvest were determined. Thereafter, land equivalent ratio (LER) was calculated to evaluate the productivity of the intercrop. The effect of intercropping was significant (P < 0.05) on the total number of irrigation events and total water use. There was a significant reduction (P < 0.05) in plant heights of both madumbe and rice at intercrop. However, the effect on plant height for treatment CFI was positive but not significant (P > 0.05) for both seasons. A significant (P < 0.05) reduction also occurred in the number of madumbe leaves/plant, and panicles/plant and tillers/plant for rice. Intercropping significantly reduced (P < 0.05) madumbe corm and rice grain yield over the two seasons relative to sole cropping.  LER showed that intercropping madumbe with rice was not more productive (LER < 1) than sole cropping of madumbe. It was concluded that over the two-season period, intercropping madumbe and rice do not yield appreciably under any of the three irrigation management techniques applied and the study hypothesis is thus rejected.

scholarly journals Evaluating the effect of irrigation water management techniques on (taro) madumbe (Colocasia esculenta (L.) Schott) grown with anaerobic filter (AF) effluent at Newlands, South Africa

2019 ◽  
Vol 9 (2) ◽  
pp. 203-212 ◽  
Author(s):  
T. I. Busari ◽  
A. Senzanje ◽  
A. O. Odindo ◽  
C. A. Buckley
Keyword(s):  
Water Management ◽  
Irrigation Water ◽  
Water Productivity ◽  
Colocasia Esculenta ◽  
Growth And Yield ◽  
Yield Reduction ◽  
Area Index ◽  
Anaerobic Filter ◽  
Irrigation Water Management ◽  
Management Techniques

Abstract This study evaluated the effects of irrigation water management techniques on the growth and yield parameters of madumbe (Colocasia esculenta) irrigated with anaerobic filter (AF) effluent. The irrigation water management treatments considered were alternate wetting and drying (AWD), continuous flooding irrigation (CFI) and wetting without flooding (WWF). It was hypothesized that irrigation techniques with anaerobic baffled reactor (ABR) effluent have a significant effect on the growth and yield of madumbe. The effects of the treatments were significant (P &lt; 0.05) on the number of irrigation events, amount of irrigated water and daily water balance. The treatments had no effect on the growth parameters (plant height, leaf number and leaf area index (LAI) (P &gt; 0.05)). The treatments effects were, however, highly significant (P &lt; 0.001) on the yield components (biomass, corm mass, corm number, corm size, harvest index), corm yield and water productivity (WP). AWD treatments had the highest WP. The highest average corm yields of 7.5 and 9.84 t/ha for WWF treatments for 2017 and 2018 seasons were obtained. It is concluded from this study that both AWD and CFI resulted in yield reduction compared with WWF, and as such, is not recommended to improve the productivity of madumbe.

The impact of irrigation water management techniques on the performance of rice using treated wastewater reuse in Durban, South Africa

2019 ◽  
Vol 19 (6) ◽  
pp. 1604-1611 ◽  
Author(s):  
Isiaka Toyin Busari ◽  
Aidan Senzanje ◽  
Alfred O. Odindo ◽  
Chris A. Buckley
Keyword(s):  
Water Management ◽  
Irrigation Water ◽  
Water Reuse ◽  
Water Productivity ◽  
Wastewater Reuse ◽  
Treated Wastewater ◽  
Irrigation Water Management ◽  
Treated Wastewater Reuse ◽  
Management Techniques ◽  
The Impact

Abstract The need to cultivate effluent-irrigated rice is paramount and synonymous with treated wastewater reuse, recycling and water resources management. A trial in a peri-urban set-up with a low-cost decentralized wastewater treatment system (DEWATS) was carried out in the 2017 and 2018 cropping seasons to assess the effect of irrigation water reuse management techniques on the yield and water productivity of rice. It was hypothesized that anaerobic baffled reactor (ABR) irrigation water management does not have an effect on the yield of peri-urban grown rice. The impacts of irrigation water management techniques were very significant (P &lt; 0.001) on the number of irrigation events, amount of irrigation and daily water balance. The impact was not significant (P &gt; 0.05) on the tiller numbers per plant; it was however significant (P &lt; 0.05) on the panicle numbers per plant. The effects were not significant (P &gt; 0.05) on the plant height but significant (P &lt; 0.05) on the yield rice for both trials. The effect was also significant (P &lt; 0.05) on water productivity. The result proved that the hypothesis be rejected. It could be concluded that significant potential exists for applying wastewater reuse for non-drinking applications such as irrigation.

scholarly journals Innovative Extension Methods in the U.S. to Promote Irrigation Water Management

2020 ◽  
Vol 63 (5) ◽  
pp. 1549-1558
Author(s):  
Daran R. Rudnick ◽  
Matt Stockton ◽  
Saleh Taghvaeian ◽  
Jason Warren ◽  
Michael D. Dukes ◽  
...  
Keyword(s):  
Water Management ◽  
Experiential Learning ◽  
Best Management Practices ◽  
Irrigation Water ◽  
Management Practices ◽  
New Technology ◽  
List Type ◽  
Extension Programs ◽  
Irrigation Water Management ◽  
Primary Means

HIGHLIGHTSUniversity extension has been playing a larger role, serving a larger number of irrigated farms.Extension programs in irrigation water management (IWM) have been transitioning away from lectures and field tours as the primary means of knowledge transfer.New IWM programs focus on experiential learning, development of practitioner networks, and industry participation.Abstract. Promotion and adoption of irrigation water management (IWM) technology, tools, and best management practices are important as water availability concerns are addressed. Traditional extension programs have relied on lecture presentations, field tours, fact sheets, and on-station demonstrations to promote IWM practices and tools. However, these platforms tend not to provide the experience and opportunity for growers to identify and become comfortable with innovative solutions, such as new technology. To address these challenges and to appeal to an ever-changing client base, innovative and locally relevant extension and outreach programs have been devised to engage and educate growers. This article describes some of these programs that extend beyond previous traditional programs to connect growers with IWM. Keywords: Demonstrations, Experiential learning, Grower competition, Outreach, Practitioner networks.

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