fertilizer Articles
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Stability of Cytoplasmic male sterility in maize under different environmental conditions
Cytoplasmic male sterility (CMS) is a maternally transmitted trait, whereby a plant is unable to produce viable pollen. Studies have revealed that this trait is a tool for enabling efficient and reliable coexistence between genetically modified (GM) and non-GM cultivation by biocontainment of GM maize (Zea mays L.) pollen. Maize has three types of male-sterile cytoplasm (T, S, and C), the ...
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Effect of deficit irrigation and fertilization on cucumber
Soil water budgets are essential in determining the proper timing and amount of irrigation. Organic fertilizers can be substituted for commercial fertilizers; however, information is sparse on the interaction of irrigation management and nutrient source on cucumber (Cucumis sativus L.) production. This study evaluated nutrient source and irrigation management on growth and yield of cucumber grown ...
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Do synergistic relationships between nitrogen and water influence the ability of corn to use nitrogen derived from fertilizer and soil?
To improve site-specific N recommendations a more complete understanding of the mechanisms responsible for synergistic relationships between N and water is needed. The objective of this research was to determine the influence of soil water regime on the ability of corn (Zea mays L.) to use N derived from fertilizer and soil. A randomized split-block experiment was conducted in 2002, 2003, and ...
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Nitrogen increases evapotranspiration and growth of a warm-season turfgrass
The effect of N fertilizer rate on Kikuyu turfgrass [Pennisetum clandestinum (Hochst. ex Chiov)] evapotranspiration was evaluated during two summers. Evapotranspiration was measured using weighing lysimeters (205 mm in diameter by 625 mm in length) inserted in turfgrass field plots (10 m2). The experiment was a randomized plot design with three replicates. Treatments included two turfgrass ages ...
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White wheat grain quality changes with genotype, nitrogen fertilization, and water stress
The production of hard white winter (HWW) wheats (Triticum aestivum L.) with acceptable protein content and quality over different environments requires the correct combination of genotypes and management practices. The objectives of this study were to evaluate moisture deficit and N management on grain protein and quality of seven HWW and two soft white winter (SWW) genotypes, and to identify ...
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Evaluation of management practices for grain amaranth production in eastern canada
Grain amaranth (Amaranthus spp.) is a C4 dicotyledonous pseudocereal crop that was widely cultivated in pre-Columbian America. It was successfully introduced in many regions with contrasting environmental conditions. The introduction of grain amaranth in eastern Canada would represent an opportunity for diversification. A study was conducted to evaluate management practices for grain amaranth ...
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Sugarcane responses to irrigation and nitrogen in semiarid south Texas
Water and N are often limiting factors for sugarcane (Saccharum spp.) production. This study was conducted to determine the effect of different levels of water availability on sugarcane growth, yield, and responses to N application, and also to evaluate the effectiveness of alternative N application methods. Three irrigation levels (20% below crop evapotranspiration [ETc], full ETc replacement, ...
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Evaluation of remote sensing to measure plant stress in creeping bentgrass (agrostis stolonifera l.) fairways
Turfgrass irrigation strategies must be clearly defined in response to increasing concerns over quality water availability. Water conservation may be achieved with technologies such as remote sensing. The objectives of this research were to (i) correlate reflectance measurements from creeping bentgrass (Agrostis stolonifera L.) under stress with volumetric water content and turf quality ...
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Ammonium fixation in selected California decomposed granites
Abstract Revegetation on disturbed, low organic matter content, decomposed granite (DG) substrates are limited by low plant-available moisture and nitrogen. Data from a single DG site in northern California, USA, showed that a significant fraction of the ammonium from fertilizers or organic matter mineralization was fixed into silicate interlayer positions. To evaluate the broader relevance of ...
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Intake and digestibility of ‘Coastal’ bermudagrass hay from treated swine waste using subsurface drip irrigation
Waste handling systems for confined swine production in the upper South (approximately 32–37° N and 79–93° W) depend mainly on anaerobic lagoons and application of the waste effluent to cropland. The main objective of this study was to evaluate the quality of ‘Coastal’ bermudagrass [Cynodon dactylon (L.) Pers.] hay receiving effluent generated from a raw swine waste treatment system designed to ...
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Irrigation Application Management
The Irrigation Applications management takes all measurements of the inlet discharge and pressure at the pivot point and pivot end. Especially when the ground is uneven, where we take readings at the highest point. Preferably, this pressure value should be at least 5 PSI higher than the rated value of the pressure regulator, to ensure safety and proper operation, as the regulator must be ...
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Aviro D16 Drone: The way to respond to agricultural losses due to pests
Agriculture is the backbone of the critical industry, especially in Southeast Asia regions, and helps sustain food security worldwide. Notably, they produce prominent productions like rice and palm oil. Each region's most scenic coastline is subjected to the country's broadest range of geographical hazards. The sector currently faces some challenges, including a shortage of human ability, ...
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Agronomic Modeling and AI Improving Results for Farmers
How does the GroGuru solution use AI to improve results seen by farmers? In a few ways! In this interview clip with Patrick Henry, CEO and our Chief Agronomist, David Sloane, they discuss the various tech specifics of how the GroGuru underground system works in regards to AI. Watch the clip here: Patrick: GroGuru doesn’t just do soil moisture, temperature sensing, and soil salinity ...
By GroGuru
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Leaf area - How & why measuring leaf area is vital to plant research
It is easy to measure leaves, and they are also the parts of a plant most responsive to their environment. The combination of these two factors makes leaf area measurement extremely useful to scientists and growers. Besides, leaves are one of the main plant organs and are responsible for the productivity of a plant, and on a larger scale, of an ecosystem or a farm. Therefore, an understanding of ...
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Telemetric agrometeorological network in Bulgaria - Case Study
Case Study Summary Application Agrometeorological network Location Bulgaria Products deployed A850 Telemetry Gateway A753 addWAVE GPRS RTU TR1 Temperature and rel. Humidity sensor RG1 Rain Gauge SP-Lite Solar radiation sensor Contributors Scientact BG Ltd. Participating Organizations BASF Bulgaria Parameters recorded Air temperature and rel. humidity Precipitation Solar ...
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Soil Moisture Terminology
Soil Moisture Terms. What do they mean and how do we use them? By the end of this short article you will hopefully understand the following statement. “For good crop growth, maintaining water above stress point will maximise vegetative growth. Setting a refill point above stress point will ensure there is always readily available water for the crop. Replacing ...
By Wildeye
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Improve indoor farming potential & profit with accurate data
Did you know that with the right greenhouse technology you can save time, money and improve profits? The commercial growing industry is rooted in meeting the consumer demand for fresh, local and seasonal produce. Whilst growing top quality produce, commercial farmers and growers also have a responsibility to respect the natural environment. In turn, they can reap the rewards of improved profits, ...
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5 Ways to Improve Wine Quality with VineView’s Aerial Vigor Maps
Have a conversation with any of the world’s leading winemakers and one thing will quickly become apparent – good wines start on the vine. Vineyard managers know the value of having boots on the ground, constantly scanning for problems throughout the vineyard and ensuring optimal growing conditions for the vines. A high level of attention to detail in the vineyard is one of the best ...
By VineView
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Leaf Area - How & Why Measuring Leaf Area is Vital to Plant Research
What is Leaf Area? It is easy to measure leaves, and they are also the parts of a plant most responsive to their environment. The combination of these two factors makes leaf area measurement extremely useful to scientists and growers. Besides, leaves are one of the main plant organs and are responsible for the productivity of a plant, and on a larger scale, of an ecosystem or a farm. Therefore, ...
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