crop water Articles
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Sprinkler irrigation changes maize canopy microclimate and crop water status, transpiration, and temperature
During a sprinkler irrigation event some water is lost due to wind drift and evaporation (WDEL). After the irrigation event, plant-intercepted water is lost due to evaporation. The water lost causes microclimatic changes which could result in positive or negative plant physiological changes. We studied the microclimatic and physiological changes on two fields grown with maize (Zea mays L.) ...
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Potential water savings associated with agricultural water efficiency improvements: a case study of California, USA
This study analyzes the potential for water savings from irrigation efficiency improvements in California, USA. We model water savings associated with three efficiency scenarios in wet, average and dry water years. The ‘efficient irrigation technology’ scenario shifts a fraction of the crops from flood irrigation to sprinkler and drip systems; the ‘improved irrigation scheduling’ scenario uses ...
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Irrigation challenges in the sub-humid US Mid-South
Irrigated area in the Mid-South USA continues to increase and now totals four million ha. Because of low available water holding capacities and shallow root-limiting layers in many soils, irrigation management is difficult. Water quality and water use efficiency impacts under irrigation are poorly understood, but comprehension is necessary if conversion from groundwater to surface water supplies ...
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AquaCrop model simulation under different irrigation water and nitrogen strategies
On a global scale, irrigated agriculture consumes about 72% of available freshwater resources. Deficit irrigation can be applied in the field to save irrigation water and still lead to acceptable crop production. The AquaCrop model is a simulation model for management of irrigation and nitrogen fertilizer. This model is a new model that is accurate, robust and requires fewer data inputs ...
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Maize growth and yield under daytime and nighttime solid-set sprinkler irrigation
Nighttime sprinkler irrigation usually results in lower wind drift and evaporation losses (WDELs) and better irrigation uniformity compared with daytime irrigation. However, daytime sprinkler irrigation modifies the microclimatic conditions within the crop canopy which could result in improved crop growth. We studied the effect of daytime and nighttime irrigation on the growth and yield of maize ...
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Corn Irrigation System
From Seed to Harvest: The Role of Corn Irrigation System Today we’re going to dive deep into the world of agriculture, focusing specifically on corn irrigation system. From the moment a corn seed is planted to the time it’s ready for harvest, irrigation plays a vital role. This process ensures that the crops get the right amount of water at the right time, which can significantly ...
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Adapting production to drought
Many parts of the world face water shortage and drought. As a result, farms and orchards are losing their capacity to produce food. According to the Food and Agriculture Organization (FAO), drought cost the world 29 billion USD in 2018; therefore, it is imperative for governments, crop consultants, and farmers to be proactive. Technology is already available for risk assessment, planning, and ...
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Enhancing Crop Yield through Advanced Irrigation Controllers
Introduction Agriculture is the lifeblood of our civilization, providing sustenance and resources essential for human survival. In the pursuit of sustainable and efficient agricultural practices, advanced irrigation controllers have emerged as a transformative technology with the potential to enhance crop yield while promoting water conservation. This article explores the multifaceted role of ...
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Subsurface Drip System
Redefining Water Efficiency with Subsurface Drip System Water scarcity and rising concerns over wastage have propelled the adoption of water-efficient systems across various industries. In particular, the agricultural sector has been facing immense pressure to reduce water consumption while maintaining crop yield and quality. Traditional irrigation methods such as flood and sprinkler systems ...
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Implications of water policy reforms for virtual water trade between South Africa and its trade partners: economy-wide approach
This paper employs an economy-wide framework to evaluate impacts of water and trade policy reforms in South Africa (SA) on virtual water flows. To pursue this analysis, the study derives net virtual water trade flows between SA and its partners to assess implications of recent trade agreements within the South African Development Community compared to economic cooperation with other major ...
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Irrigation Systems 101: What you need to know
In the perfect scenario everyone could rely on rainwater for their farming practices, but this is not always the case. This is why employing the right choice from the different irrigation systems available is crucial for agricultural success. Irrigation systems are basically an artificial way to provide water to fertile soil for agricultural purposes. Crop irrigation is necessary to overcome ...
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Can We Prevent A Food Breakdown?
By Lester R. Brown As food supplies have tightened, a new geopolitics of food has emerged—a world in which the global competition for land and water is intensifying and each country is fending for itself. We cannot claim that we are unaware of the trends that are undermining our food supply and thus our civilization. We know what we need to do. There was a time when if we got into trouble ...
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Water reuse through subsurface drip irrigation systems
Water reuse in Hawaii has been primarily relegated to agricultural irrigation and irrigation of golf courses and other large landscaped areas. The continuing effort to conserve and preserve potable water resources emphasizes using alternative water sources for irrigation. Agriculture, golf courses, highways, parks, playgrounds and cemeteries are among the heaviest users of irrigation water due to ...
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