Search Results - "REICHARDT, Klaus"

Changes in soybean cultivars released over the past 50 years in southern Brazil by Umburanas, Renan Caldas, Kawakami, Jackson, Ainsworth, Elizabeth Anna, Favarin, José Laércio, Anderle, Leonardo Zabot, Dourado-Neto, Durval, Reichardt, Klaus

“…On-farm soybean yield has increased considerably in the last 50 years in southern Brazil, but there is still little information about how selection and…”
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Seed and Foliar Application of Amino Acids Improve Variables of Nitrogen Metabolism and Productivity in Soybean Crop by Teixeira, Walquíria F, Fagan, Evandro B, Soares, Luis H, Soares, Jérssica N, Reichardt, Klaus, Neto, Durval D

“…The application of amino acids in crops has been a common practice in recent years, although most of the time they are associated with products based on algae…”
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Spatio-temporal variability behavior of land surface soil water content in shrub- and grass-land by Hu, Wei, Shao, Mingan, Han, Fengpeng, Reichardt, Klaus

“…The knowledge of the relationship between spatial variability of the surface soil water content ( θ) and its mean across a spatial domain ( θ m ) is crucial…”
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Nitrogen balance and gap of a high yield tropical soybean crop under irrigation by Zambon, Leandro Moraes, Umburanas, Renan Caldas, Schwerz, Felipe, Sousa, Jackellyne Bruna, Barbosa, Everton Servilho Teixeira, Inoue, Letícia Pacheco, Dourado-Neto, Durval, Reichardt, Klaus

“…Nitrogen (N) is the most extracted and exported element by the soybean crop. In high yield tropical environments with irrigation, little is known about N…”
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Sustainability Analysis of Nitrogen Use Efficiency in Soybean-Corn Succession Crops of Midwest Brazil by Risi, Francisco Gilberto Erthal, Hüther, Cristina Moll, Righi, Ciro Abbud, Umburanas, Renan Caldas, Tezotto, Tiago, Dourado Neto, Durval, Reichardt, Klaus, Pereira, Carlos Rodrigues

“…Nitrogen (N) is abundant in the atmosphere as N2, which is converted into reactive forms (Nr) for plant assimilation. In pre-industrial times, atmospheric N2…”
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Twenty-five years of computed tomography in soil physics: A literature review of the Brazilian contribution by Pires, Luiz F., Borges, Jaqueline A.R., Bacchi, Osny O.S., Reichardt, Klaus

“…▶ The main applications of CT in soil physics in Brazil involve studies of the distribution of bulk density and water content, changes in porosity, natural and…”
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Vigor and oxidation reactions in soybean seedlings submitted to different seed chemical treatments by Lacerda, Maíra Paes, Umburanas, Renan Caldas, Martins, Karla Vilaça, Rodrigues, Marco Antonio Tavares, Reichardt, Klaus, Dourado-Neto, Durval

“…The interaction of different seed chemical treatment with seedlings germination, vigor and stress metabolism attributes needs to be better understood in…”
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Preliminary Studies to Characterize the Temporal Variation of Micronutrient Composition of the Above Ground Organs of Maize and Correlated Uptake Rates by Martins, Karla Vilaça, Dourado-Neto, Durval, Reichardt, Klaus, de Jong van Lier, Quirijn, Favarin, José Laércio, Sartori, Felipe Fadel, Felisberto, Guilherme, Mello, Simone da Costa

“…The improvement of agronomic practices and the use of high technology in field crops contributes for significant increases in maize productivity, and may have…”
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Maize dry matter production and macronutrient extraction model as a new approach for fertilizer rate estimation by Martins, Karla V, Dourado-Neto, Durval, Reichardt, Klaus, Favarin, José L, Sartori, Felipe F, Felisberto, Guilherme, Mello, Simone C

“…Decision support for nutrient application remains an enigma if based on soil nutrient analysis. If the crop could be used as an auxiliary indicator, the plant…”
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Intercropping Simulation Using the SWAP Model: Development of a 2×1D Algorithm by Pinto, Victor Meriguetti, van Dam, Jos C., de Jong van Lier, Quirijn, Reichardt, Klaus

“…Intercropping is a common cultivation system in sustainable agriculture, allowing crop diversity and better soil surface exploitation. Simulation of…”
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The recent similarity hypotheses to describe water infiltration into homogeneous soils by Reichardt, Klaus, Timm, Luís Carlos, Dourado-Neto, Durval

“…ABSTRACT A similarity hypothesis recently presented to describe horizontal infiltration into homogeneous soils, developed for coarse-textured soils like sieved…”
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Revisiting Field Capacity (FC): variation of definition of FC and its estimation from pedotransfer functions by Ottoni Filho, Theophilo Benedicto, Ottoni, Marta Vasconcelos, Oliveira, Muriel Batista de, Macedo, José Ronaldo de, Reichardt, Klaus

“…Taking into account the nature of the hydrological processes involved in in situ measurement of Field Capacity (FC), this study proposes a variation of the…”
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Impacts of land leveling on lowland soil physical properties by Parfitt, José Maria Barbat, Timm, Luís Carlos, Reichardt, Klaus, Pauletto, Eloy Antonio

“…The practice of land leveling alters the soil surface to create a uniform slope to improve land conditions for the application of all agricultural practices…”
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Method to estimate soil macroporosity and microporosity based on sand content and bulk density by Stolf, Rubismar, Thurler, Álvaro de Mendonça, Bacchi, Osny Oliveira Santos, Reichardt, Klaus

“…Macroporosity is often used in the determination of soil compaction. Reduced macroporosity can lead to poor drainage, low root aeration and soil degradation…”
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Soil water content temporal-spatial variability of the surface layer of a Loess Plateau hillside in China by Hu, Wei, Shao, Ming An, Wang, Quan Jiu, Reichardt, Klaus

“…Surface soil moisture exhibits an important variability in terms of spatial and temporal domains, which may result in critical uncertainties for agricultural…”
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Chemical and biological attributes of a lowland soil affected by land leveling by Parfitt, José Maria Barbat, Timm, Luís Carlos, Reichardt, Klaus, Pinto, Luiz Fernando Spinelli, Pauletto, Eloy Antonio, Castilhos, Danilo Dufech

“…The objective of this work was to evaluate the relationship between soil chemical and biological attributes and the magnitude of cuts and fills after the land…”
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Scaling to generalize a single solution of Richards' equation for soil water redistribution by Sadeghi, Morteza, Ghahraman, Bijan, Davary, Kamran, Hasheminia, Seyed Majid, Reichardt, Klaus

“…Using scaling methods, a single solution of Richards' equation (RE) will suffice for numerous specific cases of water flow in unsaturated soils. In this study,…”
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Nitrogen fertilizer (15N) leaching in a central pivot fertigated coffee crop by Bortolotto, Rafael Pivotto, Bruno, Isabeli Pereira, Reichardt, Klaus, Timm, Luís Carlos, Amado, Telmo Jorge Carneiro, Ferreira, Ademir de Oliveira

“…Nitrogen has a complex dynamics in the soil-plant-atmosphere system. N fertilizers are subject to chemical and microbial transformations in soils that can…”
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Nitrate leaching through climatologic water balance in a fertigated coffee plantation by Bortolotto, Rafael Pivotto, Bruno, Isabeli Pereira, Dourado-Neto, Durval, Timm, Luís Carlos, Silva, Adilson Nunes da, Reichardt, Klaus

“…Nitrate losses from soil profiles by leaching should preferentially be monitored during high rainfall events and during irrigation when fertilizer nitrogen…”
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Chemical migration during soil water retention curve evaluation by Pires, Luiz F, Villanueva, Felipe C A, Dias, Nivea M P, Bacchi, Osny O Santos, Reichardt, Klaus

“…Wetting and drying (W-D) cycles can induce important elemental migrations in soils. The main purpose of this work was to study the possible existence of soil…”
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