Showing results for: agronomy Articles
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Making sustainable intensification work on sound evidence
Assessing the real-world impact of new agronomic practices depends on good economic studies, says David Spielman. A new narrative is slowly taking hold of today's collective thinking about productivity, growth and poverty reduction in developing-country agriculture: the concept of sustainable intensification. Sustainable intensification hinges primarily on practices and technologies that help ...
By SciDev.Net
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Grower Reflections on the 2017/2018 Indigo Wheat Season
U.S. winter wheat was hit hard with challenging growing conditions this past season. The USDA expects a nationwide harvest of 1.2 billion bushels, which would be the lowest since 2002. Dry months after planting paired with freezes in April and then extremely hot temperatures during grain fill were a perfect storm for wheat growers. In Texas and Oklahoma, many fields were abandoned for the year, ...
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Performance of an optimized nutrient management system for double-cropped wheat-maize rotations in North-Central China
Overapplication of N and P and insufficient supply of K are considered primary reasons for restriction of yield improvement in the North China Plain. Optimized nutrient management practices based on soil testing and yield targets have been developed. Other large scale field experiments have indicated that additional improvement for yield and nutrient use benefits is needed. The objective of this ...
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Seeding rate and nitrogen management effects on spring wheat yield and yield components
Seeding rate, N level, and N application timing are key management factors for spring wheat (Triticum aestivum L.) production in North Dakota. Experiments were conducted under dryland (Casselton, ND) and irrigated (Carrington, ND) conditions in 2003 to 2005 to determine the optimum combination of seeding rate and N management to maximize yield of hard red spring wheat (HRSW). Treatments consisted ...
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Toxicity of biosolids‐derived triclosan and triclocarban to six crop species
Biosolids are an important source of nutrients and organic matter, which are necessary for the productive cultivation of crop plants. Biosolids have been found to contain the personal care products, triclosan and triclocarban, at high concentrations relative to other pharmaceuticals and personal care products. The current study investigates whether exposure of six plant species (radish, ...
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Rotational effects of cuphea on corn, spring wheat, and soybean
Diversifying crop rotations can give economic and environmental benefits. Cuphea (Cuphea viscosissima Jacq. x C. lanceolata W.T. Aiton) is a new oilseed crop that grows well in the Corn Belt. However, little is known about its rotational effect on corn (Zea mays L.), soybean [Glycine max (L.) Merr.], and spring wheat (Triticum aestivum L.), which are predominant crops in this region. A 4-yr study ...
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Long-term agronomic performance of organic and conventional field crops in the mid-atlantic region
Despite increasing interest in organic grain crop production, there is inadequate information regarding the performance of organically-produced grain crops in the United States, especially in Coastal Plain soils of the mid-Atlantic region. We report on corn (Zea mays L.), soybean [Glycine max (L.) Merr.], and wheat (Triticum aestivum L.) yields at the USDA-ARS Beltsville Farming Systems Project ...
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Canola–Wheat intercrops for improved agronomic performance and integrated pest management
Intercropping can enhance yields and reduce pest infestations, but investigations of intercropping regimes using crop species common to the large-scale monoculture production systems of western Canada have not examined these diverse elements. Intercrops of canola (Brassica napus L.) and wheat (Triticum aestivum L.) were established at three sites in Alberta, Canada in 2005 and 2006 to determine ...
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High yielding organic crop management decreases plant-available but not recalcitrant soil phosphorus
Phosphorus is a nonrenewable resource, raising concerns that agricultural practices may deplete reserves. Organic farming with low P inputs can result in deficient levels of plant-available phosphorus (available-P). The purpose of this study was to determine if common organically managed rotations are depleting P reserves or if large reserves still exist in unavailable forms. The research was ...
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High yielding organic crop management decreases plant-available but not recalcitrant soil phosphorus
Phosphorus is a nonrenewable resource, raising concerns that agricultural practices may deplete reserves. Organic farming with low P inputs can result in deficient levels of plant-available phosphorus (available-P). The purpose of this study was to determine if common organically managed rotations are depleting P reserves or if large reserves still exist in unavailable forms. The research was ...
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One crop, two ways, multiple benefits
Nitrogen fixation is one of the best examples of cooperation in nature. Soil microbes – naturally occurring bacteria in the soil – work with plants to pull nitrogen from the air. They turn the nitrogen into a form the plant is able to use. In return, the plant lets the microbes eat some of the sugars it makes. Faba beans (also called fava beans) are one example of plants that work ...
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Indigo Research Partners: Building the World`s Largest Agricultural Lab
At Indigo, we believe the best lab for testing innovative agricultural techniques is the farm itself. Through collaborations with farmers around the US, we are building the world’s largest agricultural lab Indigo Research Partners with the goal of accelerating innovations that increase yields, improve environmental sustainability, and/or reduce risks for ...
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Nitrogen-Fixing Bacteria
Opinion piece: sustainability gets supercharged thanks to all-new formulation designed to drive yield As a farmer your job is as simple as it is intensely complex: sustainably produce food to feed the world. A key component of profitable agriculture is using the exact amount of inputs to drive yields. Fertilizer, your largest expense, must be critically timed to achieve the best results. ...
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From the Farm View - V33 Farms - Keith Melnyk
Keith Melnyk of V33 Farms has been farming with his dad John, and brother Wayne, for approximately 30 years. Together, they run a 3,000 acre farm in Alberta’s Peace Country, east of Manning, where they grow canola, wheat, peas, oats and some forage grasses for ...
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Better nitrogen application in winter wheat with drones
There’s no doubt that spring is one of the busiest times of the year for farmers and agronomists. Activities carried out during spring make foundation for the whole season and have crucial impact on quality and quantity of yields. Nitrogen application is one of the key actions that growers take to ensure stable crop development. When winter crops enter the stroke phase, the absorption of ...
By Solvi AB
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Soil moisture data and Water Driven Yield Potential support confident decision making
I was introduced to Crop Intelligence and soil moisture probes in the spring of 2018 by Ryan Hutchison. That fall, I joined South Country Equipment as a Crop Intelligence Agronomist and put two stations on my family farm in SE Saskatchewan for the 2019 season. This was De Roo Family Farms first year using Crop Intelligence, but I knew we could trust the data to push our yields higher. Weather is ...
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U.S.-India: Dealing With Monsoon Failure
The scene plays out in India. At a reception, I met the head of Indian operations for Esso (now ExxonMobil). When I asked him how business was, he said it was great. In particular, diesel sales to fuel irrigation pumps were nearly double the previous year’s level. Why? Because farmers were pumping continuously to try to save their crops. Soon after, I met an embassy staff person, an avid ...
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Wholesale arable change leads to tight slug control
"Eight years into implementing a zero-till policy across the farm, we’re seeing improved yields of 10 tonnes per hectare for our first year wheat, and five tonnes per hectare on winter beans. We’ve also noticed that we continue to see year-on-year improvements to soil structure and crop yields. “The winter beans have been extremely valuable in the rotation to ensure nitrogen ...
By Certis UK
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Top Dressing Fertilizer in Western Canada
Western Canada has a short growing season which makes another pass for top dressing fertilizer sometimes difficult to achieve. Many crops have the fertilizer applied during the seeding season with Liquid Distribution Systems, (like these kits we make here). Often this will meet the crops fertilizer requirements for the whole season. Making one pass makes sense in a season that brings the right ...
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Growth and yield response of rice varieties to foliar application of Boron | JBES 2020 @environmentalxpart
Abstract A field experiment was conducted during the Kharif season of 2018-19 at Rice Research Station Bahawalnagar on the calcareous sandy loam soil to assess the effect of foliar application of boron on growth & yield components of rice varieties (Kissan & Punjab Basmati 2016).The foliar application of boron aqueous solution was used as treatments comprised of control, 0.5kg/ha, ...
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