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Thematische Bibliographien / Wheat fertilizers, Australia / Zeitschriftenartikel

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Zeitschriftenartikel zum Thema „Wheat fertilizers, Australia“

Autor: Grafiati

Veröffentlicht am 4. Juni 2021

Zuletzt aktualisiert am 21. Februar 2023

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1

Bolland, MDA. "Residual value for wheat of phosphorus from calciphos, Duchess rock phosphate and triple superphosphate on a lateritic soil in south-western Australia." Australian Journal of Experimental Agriculture 25, no. 1 (1985): 198. http://dx.doi.org/10.1071/ea9850198.

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The residual values of phosphorus from triple superphosphate and from three rock phosphates were compared in a 4-year field experiment with wheat, grown on a phosphorus deficient lateritic soil in south-western Australia. The three rock phosphate fertilizers were an apatitic rock phosphate originating from the Duchess deposit in north-western Queensland, and calcined (500�C) Christmas Island C-grade ore as a powder and as pellets. Five rates of each fertilizer were applied at the commencement of the experiment and their effectiveness was calculated from data on yield of dried plant tops, grain

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2

Oliver, DP, JE Schultz, KG Tiller, and RH Merry. "The effect of crop rotations and tillage practices on cadmium concentration in wheat grain." Australian Journal of Agricultural Research 44, no. 6 (1993): 1221. http://dx.doi.org/10.1071/ar9931221.

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The cadmium concentrations in wheat grain were determined from three crop rotation x tillage experiments in South Australia. Generally, the concentrations in grain were highest in wheat grown after lupins and lowest in wheat grown after cereal. The high cadmium concentrations in grain from wheat/lupins plots could not be explained solely by acidification, thus indicating involvement of other processes in cadmium availability. While cadmium concentration in grain also increased with increasing rates of nitrogenous fertilizers, the results of cultivation practices were generally too inconsistent

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3

Mason, MG. "Sulfur-coated urea as a source of nitrogen for cereals in Western Australia." Australian Journal of Experimental Agriculture 25, no. 4 (1985): 913. http://dx.doi.org/10.1071/ea9850913.

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The effects of four grades of sulfurcoated urea (SCU1, 35.1% nitrogen (N) and dissolution rate in water at 38�C of 10.5%; SCU2, 36.3%N and 25.9% dissolution rate; SCU3, 36.2%N and 1 1.2% dissolution rate; SCU4, 36.8%N and 15.4% dissolution rate) were compared with those of uncoated urea as sources of nitrogen for cereals in nine field experiments in two years. In five experiments at five sites in 1978, and in two experiments at two sites in 1979, comparisons were made between fertilizers topdressed either after sowing (1978) or before sowing (1979). In two further experiments in 1979, comparis

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4

Rovira, A. D., and A. Simon. "Growth, nutrition and yield of wheat in calcareous sandy loams of South Australia: Effects of soil fumigation, fungicide, nematicide and nitrogen fertilizers." Soil Biology and Biochemistry 17, no. 3 (January 1985): 279–84. http://dx.doi.org/10.1016/0038-0717(85)90061-6.

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5

Whitbread, Anthony, Graeme Blair, Yothin Konboon, Rod Lefroy, and Kunnika Naklang. "Managing crop residues, fertilizers and leaf litters to improve soil C, nutrient balances, and the grain yield of rice and wheat cropping systems in Thailand and Australia." Agriculture, Ecosystems & Environment 100, no. 2-3 (December 2003): 251–63. http://dx.doi.org/10.1016/s0167-8809(03)00189-0.

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6

Byerlee, Derek. "The Super State: The Political Economy of Phosphate Fertilizer Use in South Australia, 1880–1940." Jahrbuch für Wirtschaftsgeschichte / Economic History Yearbook 62, no. 1 (April 30, 2021): 99–128. http://dx.doi.org/10.1515/jbwg-2021-0005.

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Abstract From 1882 to 1910 superphosphate was almost universally adopted by wheat farmers in South Australia. A supply chain perspective is used to link the mining of phosphate rock in distant Pacific islands to the final application of superphosphate in the fields of Australian wheat farmers. Farmers and private manufacturers led the adoption stage in the context of a liberal market regime and the role of the state at this stage was limited although strategic. After 1920, the role of the state in the industry sharply increased in all phases of the industry. A political economy perspective is

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7

Sen, S., and P. M. Chalk. "Stimulation of root growth and soil nitrogen uptake by foliar application of urea to wheat and sunflower." Journal of Agricultural Science 126, no. 2 (March 1996): 127–35. http://dx.doi.org/10.1017/s0021859600073056.

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SUMMARYWheat and sunflower plants were grown in a temperature-controlled glasshouse in Melbourne, Australia (37° 50′ S, 145° 00′ E), from 9 August to 2 October 1991, in cylinders containing two soils (Walpeup loamy sand (LS) and Gombalin clay loam (CL)) of low and moderate N status, respectively. Nitrogen fertilizer was applied by immersion of leaves in 0·18 M urea solution (10·5 atom% 15N).Plants were N-deficient in the Walpeup LS but not in the Gombalin CL soils. Both species had higher root: shoot ratios, and higher proportions of foliar-absorbed N were transferred to the roots, in the Walp

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8

Angus, JF, and RA Fischer. "Grain protein responses to nitrogen applied to wheat growing on a red earth." Australian Journal of Agricultural Research 42, no. 5 (1991): 735. http://dx.doi.org/10.1071/ar9910735.

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Dryland wheat was fertilized with ammonium nitrate or liquid urea-ammonium nitrate at the time of sowing or about 3 months later (generally at the terminal-spikelet stage) on a well-drained site near Harden on the south-west slopes of New South Wales. The experiments continued from the second to the fifth year (1981-1984) of the cropping phase of a crop-pasture rotation. The maximum agronomic efficiencies for yield in the four consecutive years were 19, 4, 23 and 25 kg grain per kg of applied nitrogen (N). The three large responses were obtained in wetter than average seasons and the small res

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9

Alsamir, Muhammed, Esraa Al Samir, T. A. Kareem, Mohammed Abass, and Richard Trethowan. "The application of zinc fertilizer reduces Fusarium infection and development in wheat." JULY 2020, no. 14(7):2020 (July 20, 2020): 1088–94. http://dx.doi.org/10.21475/ajcs.20.14.07.p2235.

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Fusarium pseudograminearum and Fusarium graminearum commonly cause crown rot (FCR) and head blight (FHB) in wheat, respectively. Disease infection and spread can be reduced by the deployment of resistant cultivars or through management practices that limit inoculum load. Plants deficient in micronutrients, including zinc, tend to be more susceptible to many diseases. On the other hands, and zinc deficiency in cereals is widespread in Australian soils. Zinc deficiency may have particular relevance to crown rot, the most important and damaging Fusarium disease of wheat and barley in Australia. F

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10

Woodruff, DR. "'WHEATMAN' a decision support system for wheat management in subtropical Australia." Australian Journal of Agricultural Research 43, no. 7 (1992): 1483. http://dx.doi.org/10.1071/ar9921483.

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This paper presents the basic relationships used in compiling a decision support system for wheat growers in the subtropical, prime-hard regions of Australia. The major factors addressed by this decision aid are climate variability, soil type and water status; N and P soil status and fertilizer addition; variety phenology, planting time and frost risk; weed infestation. The major decisions involved include fertilizer choice and quantity, choice of the variety development pattern to use for a given planting opportunity, and wild oat control measures. It demonstrates how the output from relative

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11

Li, Qiang, Maofang Gao, and Zhao-Liang Li. "Soil Organic Carbon Storage in Australian Wheat Cropping Systems in Response to Climate Change from 1990 to 2060." Land 11, no. 10 (September 28, 2022): 1683. http://dx.doi.org/10.3390/land11101683.

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It is important to examine the effects of climate change on temporal variations in SOC storage, in order to optimize management practices for sustainable grain production. Using the denitrification–decomposition (DNDC) model to simulate biogeochemical processes in agro-ecosystems, SOC variability was evaluated in the Australian wheat cropping system from 1990 to 2060, under the Representative Concentration Pathway 85 (RCP85) climate change scenario. We analyzed the impacts of temperature and precipitation on SOC variability and further simulated six management scenarios for wheat cultivation o

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12

Carr, SJ, GSP Ritchie, and WM Porter. "A soil test for aluminium toxicity in acidic subsoils of yellow earths in Western Australia." Australian Journal of Agricultural Research 42, no. 5 (1991): 875. http://dx.doi.org/10.1071/ar9910875.

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Many of the yellow earths in the Western Australian wheatbelt have naturally acidic subsoils which can reduce the yield of wheat grown on them. Current methods of assessing soil acidity cannot identify which soils have subsoil acidity severe enough to restrict wheat yields. We conducted 53 field experiments at 34 sites in 5 regions over 3 years to determine the relationship between yield of wheat and several different indices for identifying subsoils with toxic concentrations of aluminium, Al. Initially, we identified that the concentration of aluminium, [All, in the soil solution and in 1 : 5

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13

Doyle, AD, and ICR Holford. "The uptake of nitrogen by wheat, its agronomic efficiency and their relationship to soil and fertilizer nitrogen." Australian Journal of Agricultural Research 44, no. 6 (1993): 1245. http://dx.doi.org/10.1071/ar9931245.

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Nitrogen uptake by wheat from both soil and fertilizer, and the efficiencies of fertilizer N (up to 116 kg/ha) for increasing yield and protein, were measured in 53 wheat fertilizer experiments during 1985-89 on the north-western slopes and plains of New South Wales. There was a highly significant (r2> 0.70) and common relationship between N uptake in unfertilized wheat (tops and grain) and soil nitrate to 90 cm depth for 4 of the 5 years of the study. A different but significant relationship occurred in 1988 when heavy rainfall before sampling leached some of the soil N beyond the sampled

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14

Wilson, JM, and J. Hamblin. "The effects of fumigation, rotation with lupins, and nitrogen application on plant growth and common root rot of wheat at Geraldton, Western Australia." Australian Journal of Agricultural Research 41, no. 4 (1990): 619. http://dx.doi.org/10.1071/ar9900619.

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The effects of soil fumigation (98% methyl bromide + 2% chloropicrin at 580 kg/ha) and N fertilizer (0, 12.5, 25, 50 or 100 kg N/ha) were examined in field trials on continuous wheat and wheat in rotation with lupins on the Geraldton sandplain. Fumigation increased grain yields at N fertilizer levels more or =25 kg/ha and was associated with reduced incidence and severity of common root rot (Bipolaris sorokiniana)[Cochliobolus sativus]. Grain yield was not significantly affected by rotation. Fumigation increased soil ammonium levels and decreased soil nitrate levels. Rotation of wheat and lupi

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15

Smith, C. J., D. M. Whitfield, O. A. Gyles, and G. C. Wright. "Nitrogen fertilizer balance of irrigated wheat grown on a red-brown earth in Southeastern Australia." Field Crops Research 21, no. 3-4 (July 1989): 265–75. http://dx.doi.org/10.1016/0378-4290(89)90008-7.

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16

Silva-Pérez, Viridiana, Joanne De Faveri, Gemma Molero, David M. Deery, Anthony G. Condon, Matthew P. Reynolds, John R. Evans, and Robert T. Furbank. "Genetic variation for photosynthetic capacity and efficiency in spring wheat." Journal of Experimental Botany 71, no. 7 (September 30, 2019): 2299–311. http://dx.doi.org/10.1093/jxb/erz439.

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Abstract One way to increase yield potential in wheat is screening for natural variation in photosynthesis. This study uses measured and modelled physiological parameters to explore genotypic diversity in photosynthetic capacity (Pc, Rubisco carboxylation capacity per unit leaf area at 25 °C) and efficiency (Peff, Pc per unit of leaf nitrogen) in wheat in relation to fertilizer, plant stage, and environment. Four experiments (Aus1, Aus2, Aus3, and Mex1) were carried out with diverse wheat collections to investigate genetic variation for Rubisco capacity (Vcmax25), electron transport rate (J),

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17

Anderson, WK, M. Seymour, and MF D'Antuono. "Evidence for differences between cultivars in responsiveness of wheat to applied nitrogen." Australian Journal of Agricultural Research 42, no. 3 (1991): 363. http://dx.doi.org/10.1071/ar9910363.

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Three cultivars of wheat were grown using five levels of applied nitrogen (N) fertilizer at five locations in the central wheatbelt of Western Australia during 1986, 1987 and 1988. The cultivars were Gamenya (old, tall), Gutha (new, tall) and Aroona (new, semidwarf). The aim of the experiments was to determine if the newer cultivars responded more to applied N fertilizer than the older ones. At 10 out of 15 sites there was a yield increase to applied N. The semi-dwarf cultivar Aroona out-yielded the two tall cultivars apd responded more to added N at 6 of the 15 sites. The average initial resp

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18

Buster, Mitchell, Steven Simpfendorfer, Christopher Guppy, Mike Sissons, and Richard J. Flavel. "Interactions of Fusarium Crown Rot of Wheat with Nitrogen." Plants 12, no. 3 (January 24, 2023): 533. http://dx.doi.org/10.3390/plants12030533.

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The cereal disease Fusarium crown rot (FCR), caused by the fungal pathogen Fusarium pseudograminearum (Fp), is a major constraint to cereal production worldwide. Nitrogen (N) fertilizer is estimated to be approximately 30% of the input costs for grain growers in Australia and is the primary driver of yield and grain protein levels. When targeting high yield and protein, generous nitrogen fertilizer applications are thought to result in large biomass production, which exacerbates FCR severity, reducing grain yield and quality. This research was undertaken to investigate the effect of temporal N

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Blatt, C. R., P. J. Sinclair, G. D. Batten, A. B. Blakeney, and L. A. Welsh. "Preparation and Analysis of Grape Leaf and Petiole Samples by NIR Spectroscopy." HortScience 30, no. 4 (July 1995): 880F—880. http://dx.doi.org/10.21273/hortsci.30.4.880f.

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NIR-based tissue analysis has proven useful in Australia for making fertilizer recommendations for rice and wheat growers. Viticulturists have for some time made fertilizer recommendations based on tissue analysis, although there is some debate in the literature as to whether younger or older leaves or petioles provide the best indicator of vine nutrient status for diagnostic purposes. The aim of our research has been to develop NIR-based nutrient analysis for grape producers. Aspects of sample collection, including leaf lamina vs. leaf petiole; leaf opposite the basal cluster vs. youngest lea

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Naz, Tayyaba, Muhammad Mazhar Iqbal, Javaid Akhtar, Muhammad Saqib, Muqarrab Ali, Mazhar Iqbal Zafar, Bernard Dell, et al. "Carbohydrate Partitioning, Growth and Ionic Compartmentalisation of Wheat Grown under Boron Toxic and Salt Degraded Land." Agronomy 12, no. 3 (March 20, 2022): 740. http://dx.doi.org/10.3390/agronomy12030740.

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Cultivation of crops in salt-affected soils is a major challenge for growers. Despite the use of multiple amendments, salinity stresses adversely affect the crops to some extent. On the other hand, imbalance in the use of boron (B) as a nutrient also creates toxicity. Mismanagement of B fertilizer application decreases the growth and yield of crops. It is necessary to study in depth the adverse effects of salinity and B toxicity. This is why the current research work was conducted in a glass house at Murdoch University, Perth, Australia. The aim of study was to investigate the influence of sal

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Anderson, WK. "Increasing grain yield and water use of wheat in a rainfed Mediterranean type environment." Australian Journal of Agricultural Research 43, no. 1 (1992): 1. http://dx.doi.org/10.1071/ar9920001.

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Factorial experiments were conducted at eight sites in the central wheatbelt of Western Australia over two seasons. Time of sowing (mid-May, early June), cultivar (old tall, new semi-dwarf), nitrogen (N) fertilizer (- or +) and amount of seed sown (low and high) were combined as treatments, and grain yield, yield components, biomass, grain quality, water use, soil chemical and weather variables were measured. The aim was to increase grain yield by combining relevant agronomic inputs and increasing the seasonal water use or water use efficiency. Grain yields were increased by from 30 to over 10

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Nasrollahi, Niloufar, James Hunt, Caixian Tang, and David Cann. "Modelled Quantification of Different Sources of Nitrogen Inefficiency in Semi-Arid Cropping Systems." Agronomy 11, no. 6 (June 16, 2021): 1222. http://dx.doi.org/10.3390/agronomy11061222.

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Most dryland grain growers in Australia retain all or most of their crop residues to protect the soil from erosion and to improve water conservation but retaining stubbles with a high carbon-to-nitrogen (C:N) ratio can affect N availability to crops. A simulation experiment was conducted to investigate the effects of N fertilizer application rate and residue retention on soil N dynamics. The simulation used seven N fertilizer application rates (0, 25, 50, 75, 100, 150 and 200 kg N ha−1) to wheat (Triticum aestivum) over 27 years (1990–2016) at four locations across a gradient in annual rainfal

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Cogle, AL, WM Strong, PG Saffigna, JN Ladd, and M. Amato. "Wheat straw decomposition in subtropical Australia .II. Effect of straw placement on decomposition and recovery of added 15N urea." Soil Research 25, no. 4 (1987): 481. http://dx.doi.org/10.1071/sr9870481.

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Decomposition of 14C-labelled wheat straw and its effect on fertilizer 15N transformations was studied in a subtropical environment over a 2 year period. The effect of straw management was also studied. Wheat straw incorporated in topsoil initially decomposed at a faster rate than wheat straw placed on the soil surface. This was due to the greater positional availability of straw carbon to soil organisms in incorporated straw. Later decomposition rates were similar. After 1.5 months, 44% of applied 15N-urea was recovered from incorporated straw treatments and 55% from surface-retained straw tr

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Carter, MR, WJ Parton, IC Rowland, JE Schultz, and GR Steed. "Simulation of soil organic carbon and nitrogen changes in cereal and pasture systems of southern Australia." Soil Research 31, no. 4 (1993): 481. http://dx.doi.org/10.1071/sr9930481.

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Maintenance and improvement of soil organic matter levels is an important concern in dryland farming systems of temperate regions. The Century soil organic matter model was used to simulate changes in soil organic C and total N under long-term wheat (Triticum aestivum L.) and pasture rotations at five sites in southern Australia. Average declines in soil organic C and total N of 14 and 10%, respectively, in continuous and wheat-fallow systems over a 10 to 20 year period were closely simulated by the model at each site. Additions of N fertilizer (80 kg N ha-1), which prevented soil organic matt

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Davidson, JL, DB Jones, and KR Christian. "Winter feed production and grain yield in mixtures of spring and winter wheats." Australian Journal of Agricultural Research 41, no. 1 (1990): 1. http://dx.doi.org/10.1071/ar9900001.

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The possibility of combining the early rapid growth of extreme spring (express) wheat cultivars with the high grain-producing ability of long-season types as a dual-purpose crop (fodder and grain) for the high-rainfall zone of E. Australia was investigated in an experiment at Canberra in 1985. Mixtures of cv. Sunset, an express wheat, and Isis, a winter wheat, in the proportions of 1:3, 1:1 and 3:1, were compared with 4 long-season and 2 short season wheat cultivars, oats and pastures (Lolium rigidum/Trifolium subterraneum with and without N fertilizer), all sown at the end of summer. Cereals

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Lam, Shu Kee, Deli Chen, Rob Norton, and Roger Armstrong. "Nitrogen demand and the recovery of 15N-labelled fertilizer in wheat grown under elevated carbon dioxide in southern Australia." Nutrient Cycling in Agroecosystems 92, no. 2 (February 8, 2012): 133–44. http://dx.doi.org/10.1007/s10705-011-9477-6.

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McDonald, GK. "Effects of nitrogenous fertilizer on the growth, grain yield and grain protein concentration of wheat." Australian Journal of Agricultural Research 43, no. 5 (1992): 949. http://dx.doi.org/10.1071/ar9920949.

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The responses of wheat to applications of nitrogenous fertilizer were examined between 1988 and 1990 at 10 sites in South Australia which were considered to be marginally deficient in N. Nitrogen rates ranged from 0 kg N/ha to 150 kg N/ha and the experiments were sown after a range of crops and pastures. Nitrogen often increased early crop vigour and subsequent vegetative growth but significant increases in grain yield occurred at three of the 10 sites only; at the remaining sites there was no significant response or there was a reduction in yield at the highest rates of N. Kernel weights fell

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Mekonnen, M. M., and A. Y. Hoekstra. "A global and high-resolution assessment of the green, blue and grey water footprint of wheat." Hydrology and Earth System Sciences Discussions 7, no. 2 (April 22, 2010): 2499–542. http://dx.doi.org/10.5194/hessd-7-2499-2010.

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Abstract. The aim of this study is to estimate the green, blue and grey water footprint of wheat in a spatially-explicit way, both from a production and consumption perspective. The assessment is global and improves upon earlier research by taking a high-resolution approach, estimating the water footprint of the crop at a 5 by 5 arc minute grid. We have used a grid-based dynamic water balance model to calculate crop water use over time, with a time step of one day. The model takes into account the daily soil water balance and climatic conditions for each grid cell. In addition, the water pollu

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Mekonnen, M. M., and A. Y. Hoekstra. "A global and high-resolution assessment of the green, blue and grey water footprint of wheat." Hydrology and Earth System Sciences 14, no. 7 (July 15, 2010): 1259–76. http://dx.doi.org/10.5194/hess-14-1259-2010.

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Abstract. The aim of this study is to estimate the green, blue and grey water footprint of wheat in a spatially-explicit way, both from a production and consumption perspective. The assessment is global and improves upon earlier research by taking a high-resolution approach, estimating the water footprint of the crop at a 5 by 5 arc minute grid. We have used a grid-based dynamic water balance model to calculate crop water use over time, with a time step of one day. The model takes into account the daily soil water balance and climatic conditions for each grid cell. In addition, the water pollu

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Schwenke, Graeme, Luke Beange, John Cameron, Mike Bell, and Steve Harden. "What soil information do crop advisors use to develop nitrogen fertilizer recommendations for grain growers in New South Wales, Australia?" Soil Use and Management 35, no. 1 (March 2019): 85–93. http://dx.doi.org/10.1111/sum.12469.

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Brennan, R. F. "Availability of previous and current applications of zinc fertilizer using single superphosphate for the grain production of wheat on soils of south Western Australia." Journal of Plant Nutrition 19, no. 7 (July 1996): 1099–115. http://dx.doi.org/10.1080/01904169609365183.

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Brennan, R. F. "The effect of zinc fertilizer on take-all and the grain yield of wheat grown on zinc-deficient soils of the Esperance region, Western Australia." Fertilizer Research 31, no. 2 (February 1992): 215–19. http://dx.doi.org/10.1007/bf01063295.

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Stansbury, Chris D., Simon J. McKirdy, Art J. Diggle, and Ian T. Riley. "Modeling the Risk of Entry, Establishment, Spread, Containment, and Economic Impact of Tilletia indica, the Cause of Karnal Bunt of Wheat, Using an Australian Context." Phytopathology® 92, no. 3 (March 2002): 321–31. http://dx.doi.org/10.1094/phyto.2002.92.3.321.

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Modeling techniques were developed to quantify the probability of Tilletia indica entering and establishing in Western Australia (WA), and to simulate spread, containment, and the economic impact of the pathogen. Entry of T. indica is most likely to occur through imports of bulk grain or fertilizer (0.023 ± 0.017 entries per year and approximately 0.009 ± 0.009 establishments per year). Entry may also occur through straw goods, new or second-hand agricultural machinery, and on personal effects of travelers who have visited regions with infected plants. The combined probability of entry and est

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Hill, Benjamin, Jakob Santner, Heide Spiegel, Markus Puschenreiter, and Walter W. Wenzel. "Diffusive gradients in thin films predicts crop response better than calcium-acetate-lactate extraction." Nutrient Cycling in Agroecosystems 121, no. 2-3 (October 7, 2021): 227–40. http://dx.doi.org/10.1007/s10705-021-10173-2.

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AbstractSoil P testing has been widely used to predict crop yields, P uptake, and fertilizer demands in agriculture. Diffusive gradients in thin films (DGT) provides a zero-sink soil P test which mimics diffusion-controlled plant uptake and has previously been found to predict P availability to crops better than conventional quantity-based P tests in highly weathered Australian, though not in European soils. Here we tested the performance of DGT and the Austrian and German standard P quantity test calcium acetate lactate (CAL) to explain the variation of crop yield and P uptake response of win

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Palta, JA, and IRP Fillery. "N application increases pre-anthesis contribution of dry matter to grain yield in wheat grown on a duplex soil." Australian Journal of Agricultural Research 46, no. 3 (1995): 507. http://dx.doi.org/10.1071/ar9950507.

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The effect of fertilizer N on the growth, post-anthesis water deficits and remobilization of dry matter in spring wheat was measured on a duplex soil at East Beverley, Western Australia. Nitrogen was applied at 15, 30 and 60 kg N ha-1 with half being applied at seeding and the remainder at 35 days after sowing (DAS), immediately before the onset of tillering. The applied N generated differences in early growth (76-117 g m-2) and dry matter at anthesis (410-693 g m-2), mainly through the effect of N on tiller number (120-171 m-2) and tiller size. It also generated differences in the water defic

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Rogi, Johannes E. X., and Siska J. Frans. "PENDUGAAN POTENSI PRODUKSI GANDUM (Triticum aestivum L.) DI SULAWESI UTARA DENGAN MENGGUNAKAN PERANGKAT LUNAK SHIERARY WHEAT VERSI 2.0." EUGENIA 17, no. 1 (April 1, 2011): 60. http://dx.doi.org/10.35791/eug.17.1.2011.101.

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The demand of wheat increases yearly in Indonesia. Therefore, Indonesia has imported wheat fromoverseas. Agronomically, wheat could be cultivated in Indonesia. Simulation model using ShieraryWheat ver 2.2 software developed by Handoko (1992) will be used in this studi. This software has beenvalidated by Rogi (1996) in several areas in Indonesia. This model has daily resolution which explainsinteraction between growth and development of wheat. Model inputs include weather elements such asradiation, temperature, humidity, wind and rainfall. Soil physical field capacity (water condition in thesoi

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Palta, JA, and IRP Fillery. "N application enhances remobilization and reduces losses of pre-anthesis N in wheat grown on a duplex soil." Australian Journal of Agricultural Research 46, no. 3 (1995): 519. http://dx.doi.org/10.1071/ar9950519.

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The effect of fertilizer N on the remobilization of N to the grain in wheat was evaluated on a duplex soil at East Beverley, Western Australia. Remobilization of N to the grain was determined using the stable isotope, 15N , which was fed to wheat plants during the vegetative growth phase. Nitrogen was applied at 15, 30 and 60 kg N ha-1 with half being applied at seeding and the remainder at 35 days after sowing (DAS), before the onset of tillering. The high N treatment increased N uptake between stem elongation and anthesis and grain protein concentration by 2.9% relative to the low N treatmen

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Meihami, Bahram. "Check the Status of Water Resources Management in Comparison with Management and the Role of the Australian Accounting Standards." International Letters of Natural Sciences 16 (May 2014): 157–63. http://dx.doi.org/10.18052/www.scipress.com/ilns.16.157.

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With population growth, rising living standards and increasing attention given to environmental issues Water resources management has increased in many countries, water is fast becoming a scarce input. It is study of human development in the twentieth century, and a judgment is only a question of human optimization of water resources and their future generations what it was composed of such questions under the present conditions of as the water crisis (crisis of the Third Millennium) have mentioned, it is appropriate here because the water crisis and lack of use. the effectiveness of this crit

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Meihami, Bahram. "Check the Status of Water Resources Management in Comparison with Management and the Role of the Australian Accounting Standards." International Letters of Natural Sciences 16 (May 30, 2014): 157–63. http://dx.doi.org/10.56431/p-kcy8t4.

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With population growth, rising living standards and increasing attention given to environmental issues Water resources management has increased in many countries, water is fast becoming a scarce input. It is study of human development in the twentieth century, and a judgment is only a question of human optimization of water resources and their future generations what it was composed of such questions under the present conditions of as the water crisis (crisis of the Third Millennium) have mentioned, it is appropriate here because the water crisis and lack of use. the effectiveness of this crit

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Thompson, JP. "Decline of vesicular-arbuscular mycorrhizae in long fallow disorder of field crops and its expression in phosphorus deficiency of sunflower." Australian Journal of Agricultural Research 38, no. 5 (1987): 847. http://dx.doi.org/10.1071/ar9870847.

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Poor growth of crops after long fallows (> 12 months) in cracking clay soils of the northern areas of the Australian grain belt is known as 'long fallow disorder'. Various crop species, including wheat (Triticum aestivum L.), chickpea (Cicer arietinum L.), grain sorghum [Sorghum bicolor (L.) Moench], sudan grass [Sorghum sudanense (Piper) Stapf], sunflower (Helianthus annuus L.), soybean [Glycine max (L.) Merr.] and maize (Zea mays L.), had less root colonization with vesicular-arbuscular mycorrhizal (VAM) fungi and plant weight after long fallows than after short fallows. An experiment was

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Sheppard, M. I., S. C. Sheppard, and C. A. Grant. "Solid/liquid partition coefficients to model trace element critical loads for agricultural soils in Canada." Canadian Journal of Soil Science 87, Special Issue (March 1, 2007): 189–201. http://dx.doi.org/10.4141/s06-061.

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Canadian consumers are demanding a sustainable agricultural industry as well as products delivered under Best Management Practices (BMPs). Trace element accumulation in soils may influence crop productivity, food quality and ecosystem and human health. Canada’s feed and foodstuff export industry has already faced cases of penalties for high trace element content [cadmium (Cd) in durum wheat]. Thus, it is imperative to be able to estimate the accumulation and potential short- and long-term impacts of trace elements in soil. A national-level Trace Element Indicator (TEI) based on present loading

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White, PF. "The influence of alternative tillage systems on the distribution of nutrients and organic-carbon in some common Western Australian wheatbelt soils." Soil Research 28, no. 1 (1990): 95. http://dx.doi.org/10.1071/sr9900095.

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The effect of reduced cultivation on the chemical fertility of three agricultural soils important in Western Australia was investigated. The experiment compared the effect of different tillage systems for continuously cropping wheat on the distribution of extractable P, extractable K, total N, organic C and pH for soils ranging from a sand to a sandy clay loam. Three tillage systems were applied (conventional cultivation, direct drilled with a combine, direct drilled with a triple disc drill) and the distribution of nutrients was measured to a depth of 25 cm. Developments were monitored for a

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Jones, Eriita G., Sebastien Wong, Anthony Milton, Joseph Sclauzero, Holly Whittenbury, and Mark D. McDonnell. "The Impact of Pan-Sharpening and Spectral Resolution on Vineyard Segmentation through Machine Learning." Remote Sensing 12, no. 6 (March 13, 2020): 934. http://dx.doi.org/10.3390/rs12060934.

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Precision viticulture benefits from the accurate detection of vineyard vegetation from remote sensing, without a priori knowledge of vine locations. Vineyard detection enables efficient, and potentially automated, derivation of spatial measures such as length and area of crop, and hence required volumes of water, fertilizer, and other resources. Machine learning techniques have provided significant advancements in recent years in the areas of image segmentation, classification, and object detection, with neural networks shown to perform well in the detection of vineyards and other crops. Howev

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Al-Jawda, J. M., A. N. Balasem, K. R. Asmar, and A. S. K. Ali. "PRELIMINARY STUDY ON AQUACULLURE OF CTENOPHARYNGODON IDELLA VAL." Iraqi Journal of Veterinary Medicine 26, no. 1 (November 1, 2021): 143–48. http://dx.doi.org/10.30539/ijvm.v26i1.1132.

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The classical method of aquaculture in Iraq employed Cyprinus carpio L. (Common carp) as monoculture or as predominat species togather with grass carp and silver carp. In the present study monoculture of grass carp was performed. Three - hundreds fingerlings of grass carp of 1.5 g weight were cultured in about 600 m2 eartheen pond from 20th of June till 9th of November, 1997. For the first two months of the experiment, no additional feed was added to what had been available in the pond. For the rest of the culture period, 1773 kg of five species of plants were utilized. They were included 91 k

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Boschee, Pam. "Comments: The Stakes Grow Higher in Defining Green Energy." Journal of Petroleum Technology 74, no. 03 (March 1, 2022): 8–9. http://dx.doi.org/10.2118/0322-0008-jpt.

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Not so long ago, defining green energy was generally straightforward: renewables. It may not have been quite that simple, but the development of agreed-upon definitions based on science has become much more complex and contentious, even within the past year. It’s not just a highbrow debate about semantics. The standardization of criteria or a widely accepted taxonomy is critical as the focus increases on not only greenwashing, but on the actual processes and technologies enabling what were thought of as at least “greener” energy. The hammering out of definitions is needed to keep the energy tr

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Canning, Adam D. "Rediscovering wild food to diversify production across Australia's agricultural landscapes." Frontiers in Sustainable Food Systems 6 (October 31, 2022). http://dx.doi.org/10.3389/fsufs.2022.865580.

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Conventional agriculture currently relies on the intensive and expansive growth of a small number of monocultures, this is both risky for food security and is causing substantial environmental degradation. Crops are typically grown far from their native origins, enduring climates, pests, and diseases that they have little evolutionary adaptation to. As a result, farming practices involve modifying the environment to suit the crop, often via practices including vegetation clearing, drainage, irrigation, tilling, and the application of fertilizers, pesticides, and herbicides. One avenue for impr

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Petersen, Elizabeth H., Craig A. Scanlan, Michael P. Burton, Yvette M. Oliver, Daniel V. Murphy, and Frances C. Hoyle. "Agronomic factors are the dominant influence on nitrogen fertilizer strategies in dryland cropping systems." Agronomy for Sustainable Development 43, no. 1 (January 24, 2023). http://dx.doi.org/10.1007/s13593-023-00867-y.

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AbstractFactors affecting fertilizer decisions made by grain growers are changing in the context of changing climatic conditions and growing volatility in global fertilizer and grain markets. To ensure sustainable development of grain industries in light of this uncertainty, research, development, extension, and adoption activities associated with growers’ fertilizer decisions need to be focused on factors to which they are most sensitive. The aim of this paper is to understand the factors that have the greatest influence on grain producer’s fertilizer strategies, how these factors have change

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Thurn, Anna-Lena, Anna Stock, Sebastian Gerwald, and Dirk Weuster-Botz. "Simultaneous photoautotrophic production of DHA and EPA by Tisochrysis lutea and Microchloropsis salina in co-culture." Bioresources and Bioprocessing 9, no. 1 (December 19, 2022). http://dx.doi.org/10.1186/s40643-022-00612-5.

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AbstractMarine microalgae have received much attention as a sustainable source of the two health beneficial omega-3-fatty acids docosahexaenoic acid (DHA, C22:6) and eicosapentaenoic acid (EPA, C20:5). However, photoautotrophic monocultures of microalgae can only produce either DHA or EPA enriched biomass. An alternative may be the photoautotrophic co-cultivation of Tisochrysis lutea as DHA-producer with Microchloropsis salina for simultaneous EPA production to obtain EPA- and DHA-rich microalgae biomass in a nutritionally balanced ratio. Photoautotrophic co-cultivation processes of T. lutea a

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Brien, Donna Lee. "Climate Change and the Contemporary Evolution of Foodways." M/C Journal 12, no. 4 (September 5, 2009). http://dx.doi.org/10.5204/mcj.177.

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Introduction Eating is one of the most quintessential activities of human life. Because of this primacy, eating is, as food anthropologist Sidney Mintz has observed, “not merely a biological activity, but a vibrantly cultural activity as well” (48). This article posits that the current awareness of climate change in the Western world is animating such cultural activity as the Slow Food movement and is, as a result, stimulating what could be seen as an evolutionary change in popular foodways. Moreover, this paper suggests that, in line with modelling provided by the Slow Food example, an increa

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Paull, John. "Beyond Equal: From Same But Different to the Doctrine of Substantial Equivalence." M/C Journal 11, no. 2 (June 1, 2008). http://dx.doi.org/10.5204/mcj.36.

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A same-but-different dichotomy has recently been encapsulated within the US Food and Drug Administration’s ill-defined concept of “substantial equivalence” (USFDA, FDA). By invoking this concept the genetically modified organism (GMO) industry has escaped the rigors of safety testing that might otherwise apply. The curious concept of “substantial equivalence” grants a presumption of safety to GMO food. This presumption has yet to be earned, and has been used to constrain labelling of both GMO and non-GMO food. It is an idea that well serves corporatism. It enables the claim of difference to se

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