Academic literature on the topic 'Crop canopy modification'

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Journal articles on the topic "Crop canopy modification"

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McDonald, Mary Ruth, Bruce D. Gossen, Cezarina Kora, Monica Parker, and Greg Boland. "Using crop canopy modification to manage plant diseases." European Journal of Plant Pathology 135, no. 3 (2013): 581–93. http://dx.doi.org/10.1007/s10658-012-0133-z.

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Sandhu, Sarabjot Kaur, and L. K. Dhaliwal. "Role of agronomic manipulations in modification of wheat microclimate under central Punjab." Journal of Applied and Natural Science 8, no. 4 (2016): 1905–11. http://dx.doi.org/10.31018/jans.v8i4.1060.

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Wheat crop is influenced by different microclimatic parameters like solar radiation, canopy temperature etc. Agronomic manipulation like change in row spacing and row direction can be used as a strategy to modify the microclimate of crop. Keeping these facts in view, field trials were conducted during rabi 2012-13 and 2013-14 under two experiments in first experiment wheat varieties HD 2967, PBW 550 and PBW 343 were sown under three row spacing viz. 15 cm, 22.5 cm and 30 cm. In second experiment, wheat varieties HD 2967, PBW 550 and PBW 343 were sown under two row direction viz. North-South (N
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Yang, Yubin, Livia Paleari, Lloyd T. Wilson, et al. "Characterizing Genotype-Specific Rice Architectural Traits Using Smart Mobile App and Data Modeling." Agronomy 11, no. 12 (2021): 2428. http://dx.doi.org/10.3390/agronomy11122428.

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The quantity and quality of light captured by a plant’s canopy control many of its growth and development processes. However, light quality-related processes are not very well represented in most traditional and functional–structural crop models, which has been a major barrier to furthering crop model improvement and to better capturing the genetic control and environment modification of plant growth and development. A main challenge is the difficulty in obtaining dynamic data on plant canopy architectural characteristics. Current approaches on the measurement of 3D traits often relies on tech
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Jambhulkar, Prashant P., M. L. Meghwal, and G. S. Ameta. "Microclimatic Modification of Tomato Crop Canopy to Alter Conidial Dispersal ofAlternaria solani." Vegetos- An International Journal of Plant Research 28, no. 4 (2015): 155. http://dx.doi.org/10.5958/2229-4473.2015.00098.1.

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Bravetti, B., V. Lanari, E. Manni, and O. Silvestroni. "CANOPY DENSITY MODIFICATION AND CROP CONTROL STRATEGIES ON 'MONTEPULCIANO' (VITIS VINIFERA L.)." Acta Horticulturae, no. 931 (March 2012): 331–37. http://dx.doi.org/10.17660/actahortic.2012.931.37.

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Hlaváčiková, Hana, and Viliam Novák. "Comparison of daily potential evapotranspiration calculated by two procedures based on Penman-Monteith type equation." Journal of Hydrology and Hydromechanics 61, no. 2 (2013): 173–76. http://dx.doi.org/10.2478/johh-2013-0022.

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Abstract Paper presents comparison of the daily reference crop (grass vegetation cover) potential evapotranspiration results calculated by the two modifications of the Penman-Monteith type equation. The first modification was published in FAO recommendation (Allen at al., 1998), PM-FAO, the second is modification according to Budagovskiy (1964) and Novák (1995), PM-BN. Both are used in soil water simulation models HYDRUS-1D and GLOBAL. Calculations were performed for frost-free seasons of the years 2000-2009, using the meteorological station Gabčíkovo (South Slovakia) meteorological data and c
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Qiu, Longxia, Xiangqi Ke, Xiyue Sun, Yanzi Lu, Shengwei Shi, and Weiwei Liu. "Investigating the Influence of the Weed Layer on Crop Canopy Reflectance and LAI Inversion Using Simulations and Measurements in a Sugarcane Field." Remote Sensing 17, no. 12 (2025): 2014. https://doi.org/10.3390/rs17122014.

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Recent research in agricultural remote sensing mainly focuses on how soil background affects canopy reflectance and the inversion of LAI, while often overlooking the influence of the weed layer. The coexistence of crop and weed layers forms two-layered vegetation canopies in tall crops such as sugarcane and maize. Although radiative transfer models can simulate the weed layer’s influence on canopy reflectance and LAI inversion, few experimental investigations use in situ measurement data to verify these effects. Here, we propose a practical background modification scheme in which black materia
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Jiménez-Pérez, Alfredo, Manuel J. Cach-Pérez, Mirna Valdez-Hernández, and Edilia De la Rosa-Manzano. "Effect of canopy management in the water status of cacao (Theobroma cacao) and the microclimate within the crop area." Botanical Sciences 97, no. 4 (2019): 701–10. http://dx.doi.org/10.17129/botsci.2256.

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Background: Cacao is an umbrophile species and therefore the handling of shade by producers can cause a microclimatic modification that influences the physiology of the plant.
 Questions: Can canopy management influence the microclimate of the crop area and the water content of cacao?
 Species of study: Theobroma cacao L. (Malvaceae).
 Study site: Comalcalco, Tabasco, Mexico; dry and rainy season 2018.
 Methods: Three sites were selected with an open canopy (OC) and three with a closed canopy (CC), where we determined air temperature and humidity, soil temperature, vapor pr
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Nur Arina, I., M. Y. Martini, S. Surdiana, R. Mohd Fauzi, and S. Zulkefly. "Radiation Dynamics on Crop Productivity in Different Cropping Systems." International Journal of Agronomy 2021 (March 13, 2021): 1–8. http://dx.doi.org/10.1155/2021/4570616.

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Global demand for food has always been on the increase due to the increase of the population in this world. Intercropping is one of the alternatives of agronomic practices that is widely practiced in ensuring food security and enhancing yield stability. Strip, mixed, and relay intercropping can be practiced to increase crop production. In addition to achieving a successful intercropping system, factors such as suitable crops, time of sowing, maturity of the crop, and plant density need to be considered before and during planting. Besides, practiced intercropping becomes a useful cropping syste
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Thakur, P., and Sonam Singh. "Impact of tree management on growth and production behaviour of intercrops under rainfed agroforestry." Indian Journal of Forestry 31, no. 1 (2008): 37–46. http://dx.doi.org/10.54207/bsmps1000-2008-5213m3.

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This investigation was aimed to evaluate the impact of changes in incident radiation through crown modification on crop performance. Different shade intensities created through tree crown management significantly affected growth, physiological attributes and yield related parameters in Vigna mungo (syn. Phaseolus mungo) and Pisum sativum grown as understorey field crops with Morus alba under rainfed conditions. The crown management treatments namely, no crown removal, 25, 50 and 75% crown removal resulted in 91, 85, 63 and 47% shade, respectively. Plant height, number of flowers, leaf area of
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Dissertations / Theses on the topic "Crop canopy modification"

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(19140385), Grant Xinghong Zhu. "Optimising wheat production through management in the semi-arid tropics of Central Queensland." Thesis, 2001. https://figshare.com/articles/thesis/Optimising_wheat_production_through_management_in_the_semi-arid_tropics_of_Central_Queensland/26308264.

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<p dir="ltr">Optimisation of wheat productivity encompasses the improvement of total aboveground dry matter (AGDM) for hay and grain yield, harvest index, and grain quality, through improved efficiencies of water and nutrient use (WUE and NUE s leads to increasing profitability and sustainability of farming systems. To achieve this objective, defoliation experiments over three seasons (1997, 1998 and 1999) and fertiliser treatments on wheat during the same period were conducted at Biloela, Jambin and Alton Downs in Central Queensland (CQ).</p><p dir="ltr">Overall, defoliation at the middle til
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Book chapters on the topic "Crop canopy modification"

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Long, S. P. "Rubisco, the Key to Improved Crop Production for a World Population of More Than Eight Billion People?" In Feeding a World Population of More Than Eight Billion People. Oxford University Press, 1998. http://dx.doi.org/10.1093/oso/9780195113129.003.0016.

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Despite great advances in understanding of photosynthesis in crops, photosynthesis research has contributed little to improvement of crop production in the past. Does it have a future role in the task of feeding a world of 8 billion? In this chapter I argue that modification of the primary carboxylase of photosynthesis (Rubisco) promises very significant increases in potential crop yields. Plant breeding over the past three decades has produced remarkable worldwide increases in the potential yields of many crops, most notably improvements in the small grain cereals of the “green revolution” (B
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Singh, Bijay, R. J. Buresh, and S. Peng. "Synchronizing nitrogen fertilizer application to crop nitrogen needs." In Improving nitrogen use efficiency in crop production. Burleigh Dodds Science Publishing, 2024. http://dx.doi.org/10.19103/as.2024.0135.10.

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Nitrogen synchrony refers to nitrogen (N) availability in the soil being closely aligned in space and time with the N requirements of crop plants. However, due to large temporal and spatial variability in the availability of soil N across regions, there is considerable potential for asynchrony between N supply and crop N demand. Synchronizing fertilizer N application to crop N requirements involves managing fertilizer N using strategies that lead to ‘just-in-time N supply’, i.e., the quantity is not excessive or deficient throughout the cropping season. Whether using split applications of fert
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Conference papers on the topic "Crop canopy modification"

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Grushcow, J., and M. A. Smith. "Next Generation Feedstocks From New Frontiers in Oilseed Engineering." In World Tribology Congress III. ASMEDC, 2005. http://dx.doi.org/10.1115/wtc2005-63523.

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Recent advances in molecular breeding techniques along with developing tools for Genomics and Proteomics are delivering new oil seed profiles for industrial applications. Ultra high Oleic, Erucic and blends including Hydroxy fatty acids are now, or will be shortly, available in a variety of oilseed crops including Soybean and Canola as well as Flax. As a result, vegetable oils need to be re-examined by industry for specific applications. Feedstocks and base oils derived from oil seeds are renewable as well as biodegradable. A brief summary of recent progress is presented together with a descri
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Reports on the topic "Crop canopy modification"

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Tanny, Josef, Gabriel Katul, Shabtai Cohen, and Meir Teitel. Application of Turbulent Transport Techniques for Quantifying Whole Canopy Evapotranspiration in Large Agricultural Structures: Measurement and Theory. United States Department of Agriculture, 2011. http://dx.doi.org/10.32747/2011.7592121.bard.

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Original objectives and revisions The original objectives of this research, as stated in the approved proposal were: 1. To establish guidelines for the use of turbulent transport techniques as accurate and reliable tool for continuous measurements of whole canopy ET and other scalar fluxes (e.g. heat and CO2) in large agricultural structures. 2. To conduct a detailed experimental study of flow patterns and turbulence characteristics in agricultural structures. 3. To derive theoretical models of air flow and scalar fluxes in agricultural structures that can guide the interpretation of TT measur
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Tanny, Josef, Gabriel Katul, Shabtai Cohen, and Meir Teitel. Micrometeorological methods for inferring whole canopy evapotranspiration in large agricultural structures: measurements and modeling. United States Department of Agriculture, 2015. http://dx.doi.org/10.32747/2015.7594402.bard.

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Original objectives and revisions The original objectives as stated in the approved proposal were: (1) To establish guidelines for the use of micrometeorological techniques as accurate, reliable and low-cost tools for continuous monitoring of whole canopy ET of common crops grown in large agricultural structures. (2) To adapt existing methods for protected cultivation environments. (3) To combine previously derived theoretical models of air flow and scalar fluxes in large agricultural structures (an outcome of our previous BARD project) with ET data derived from application of turbulent transp
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