irrigator Articles
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Evaluation of the management practice for controlling herbicide runoff from paddy fields using intermittent and spillover-irrigation schemes
Two water management practices, an intermittent irrigation scheme using automatic irrigation system(AI) and a spillover-irrigation scheme (SI), were compared for the fate and transport of commonly used herbicides, mefenacet (MF) and bensulfuron-methyl (BSM) in experimental paddy plots. Maximum mefenacet concentrations in paddy water were 660 and 540 µgL−1 for AI and SI plot, respectively. ...
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Behavior of atrazine in Limited Irrigation Cropping Systems in Colorado: Prior use is important
Glyphosate-resistant (GR) corn may be a major component of new cropping systems to optimize the use of limited irrigation water supply while sustaining production. Because atrazine is an important tool for residual weed control in GR corn, we examined atrazine binding to soil, dissipation, movement, and early season weed control in limited and full irrigation cropping systems. These systems ...
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Behavior of atrazine in limited irrigation cropping systems in Colorado: prior use is important
Received for publication October 28, 2008. Glyphosate-resistant (GR) corn may be a major component of new cropping systems to optimize the use of limited irrigation water supply while sustaining production. Because atrazine is an important tool for residual weed control in GR corn, we examined atrazine binding to soil, dissipation, movement, and early season weed control in limited and full ...
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Root intrusion prevention
Nothing spells the death of a subsurface drip irrigation (SDI) system taster than root intrusion. With more growers placing drip irrigation lines below the soil surface, the need for a better understanding of how to keep roots out of drip emitters has also become more important. Work done at The ("enter for Irrigation Technology (GIT) over the past 10 years has given us some insight into how to ...
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Subsurface drip irrigation; the future of Irrigation is Underground
Placing water beneath the soil surface via buried lines is slowly becoming the "preferred choice" of many vineyard irrigators. The reasons are many, including the absence of surface evaporation, as well as reduced weed growth, herbicide washout, maintenance, injury, and vandalism found with using conventional water application systems. The advantages of subsurface drip add to reduced cost for ...
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LCA of integrated orange production in the Comunidad Valenciana (Spain)
In order to perform an LCA of integrated orange production in the Comunidad Valenciana two representative areas were studied. The functional unit was 1 kg oranges at the farm gate. Eight scenarios were considered according to type of irrigation, the origin of water and the tillage practice. The production of agrochemicals, the production and use of energy in agriculture (for irrigation and ...
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Leaching of three sulfonylurea herbicides during sprinkler irrigation
Sulfonylurea herbicides are widely applied on the Canadian prairies to control weeds in a variety of crops. Several sulfonylurea herbicides are mobile in soil, and there is concern about their possible movement to ground water. This study was performed to assess the susceptibility of three sulfonylurea herbicides commonly used in prairie crop production to leach under a worst-case scenario. ...
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Subsurface Drip Irrigation of Omaha Golf Course Fairways with Treated Effluent
ABSTRACT In 1999, in addition to the existing 825 lots developed in the 1970’s, a new 600-lot subdivision was commenced at Omaha Beach. Omaha Beach is a popular recreation beach community north of Auckland. In conjunction with the new residential development the existing 9-hole golf course was expanded to a full 18-hole course. The existing wastewater treatment and disposal infrastructure ...
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Corn Production in the Bowen Food Basin - Case Study
In Bowen, Queensland, in 2010, Hibrix was compared with a high NPK mineral fertiliser program for the production of maize cv. Hycorn 675IT on an alluvial sandy loam soil irrigated via sub-surface drip tape. At commercial harvest, cobs from 20 randomly selected plants per plot from were harvested, weighed and the length, girth at the cob base and length of tip not filled with kernels was measured. ...
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Reuse of dairy lagoon wastewater through SDI in forage crops
Abstract California has become the leading dairy products producing state in the USA. This has resulted in farms commonly milking several thousand cows per day. The care and feeding of the animals has produced large waste streams commonly collected and stored in lagoons. Environmentally safe handling and reuse of the lagooned wastewater is the objective of this study. A system of Subsurface Drip ...
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Spatial variability of Atrazine and Metolachlor dissipation on dryland no-tillage crop fields in Colorado
An area of interest in precision farming is variable-rate application of herbicides to optimize herbicide use efficiency and minimize negative off-site and non-target effects. Site-specific weed management based on field scale management zones derived from soil characteristics known to affect soil-applied herbicide efficacy could alleviate challenges posed by post-emergence precision weed ...
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Arundo Donax Removal in the Santa Ana River Watershed
Orange County Water District (OCWD) was awarded the Ruth Anderson Wilson Award by the Santa Ana Watershed Project Authority for its collaborative efforts in a program to remove Arundo donax (arundo) from the Santa Ana River watershed. The arundo removal program is also one reason the U.S. Environmental Protection Agency selected OCWD as a Clean Water Partner for 2003. Arundo donax, or the giant ...
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Organic Soil for Healthy Crops and Gardens, Black Worm Castings, Vermaplex
Creating a healthy organic garden is easier than you think. It all starts with the soil. As a gardener or farmer your goal is healthy plants that yield plentiful of flowers, fruits and vegetables. Your first priority should be the soil, it is the key ingredient to a thriving garden. Plants receive their nutrients from the soil. They are dependent on a soil full of microorganisms such as ...
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Worst Water Weeds #1: Hydrilla
The Center for Invasive Species and Ecosystem Health lists a total of 79 different invasive and exotic aquatic plants that can be found in various parts of the United States. Some are wreaking more havoc than others, but one of the worst of all is hydrilla. It has invaded across much of the southern United States, and is beginning to make its way northward. Below are the basics of this invasive ...
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Water Weed Removal: Mechanical Harvesting Versus Chemical Herbicides
Mechanical harvesting versus chemical herbicides is the great debate when it comes to tackling water weed problems. When you’re faced with an infestation of any of the water weeds we’ve covered in previous articles (and there are plenty more to talk about as well), you can feel so overwhelmed and frustrated that you just want the problem to go away as quickly as possible. This causes ...
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Tracking Your Data In All Your Unusual Places
Let’s be honest: I say “level measurement,” you think “fluid in a tank.” It’s ok; most people do. And if we’re really honest with each other, you can admit that you probably were thinking about an industrial tank, related to factory production of some kind. And again, it’s ok. But there’s so much more to level measurement! One of fastest ...
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How a new way of thinking about soil sparked a national movement in agriculture
For three weeks every month, Ray Archuleta captivates audiences with a few handfuls of soil. He begins with two clumps, dropping them into water. The soil from a farm where the soil isn’t tilled holds together, while the tilled soil immediately disperses, indicating poor soil structure. Next, volunteers from the audience — mostly farmers and ranchers — pour water over a soil ...
By Ensia
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