No tillage
RESIDUAL EFFECT OF SOIL TILLAGE ON WATER EROSION FROM A TYPIC PALEUDALF UNDER LONG-TERM NO- TILLAGE AND CROPPING SYSTEMS
... Soil erosion is one of the chief causes of agricultural land degradation. Practices of conservation agriculture, such as no-tillage and cover crops, are the key strategies of soil erosion control. In a long-term ...
10
ALUMINUM HYDROXY-INTERLAYERED MINERALS AND CHEMICAL PROPERTIES OF A SUBTROPICAL BRAZILIAN OXISOL UNDER NO-TILLAGE AND CONVENTIONAL TILLAGE
... conventional tillage system resulted in chemical changes of the subtropical oxisol, evidenced by the increase of total organic C, exchangeable cations, extractable acidity, phosphorus contents, and cation exchange ...
10
CARBON STOCKS IN ORGANIC MATTER FRACTIONS AS AFFECTED BY LAND USE AND SOIL MANAGEMENT, WITH EMPHASIS ON NO-TILLAGE EFFECT
... conventional tillage and no-tillage in a wheat/soybean succession) on (i) total soil organic carbon (SOC) stocks (0 to 250mm depth) and on (ii) carbon (C) stocks in labile (coarse, light) and humified ...
6
Survival of pathogens on soybean debris under no-tillage and conventional tillage systems (1)
... Bags of each tissue type were either buried at 10 cm depth or kept on the soil. At harvest and then at one month inter- vals, 5 g of each bag was collected and washed under run- ning water. Fragments around 0.5 cm long ...
8
SOYBEAN RESPONSE TO STARTER NITROGEN AND Bradyrhizobium INOCULATION ON A CERRADO OXISOL UNDER NO-TILLAGE AND CONVENTIONAL TILLAGE SYSTEMS
... was cultivated after corn and the N fertilizer was band applied at sowing. In all experiments, N rates promoted reductions of up to 50 % in the nodule number at 15 days after the emergence. Regardless of the management ...
7
Production and efficiency of water usage in capsicum crops under no- tillage and conventional planting systems
... Several studies have recently been developed to promote the rational use of water in agriculture (MAROUELLI et al., 2010; SOUZAet al., 2011; TEÓFILO et al., 2012). The association of the use of efficient irrigation ...
9
CHARACTERIZATION OF SOIL STRUCTURE AND POROSITY UNDER LONG-TERM CONVENTIONAL TILLAGE AND NO-TILLAGE SYSTEMS
... volume between NT and CT, with a higher value for NT, may be important in the summer, enabling plants to resist a possible water stress for a longer time. Consequently, as reported by Torres (2009), crop yield tends to ...
8
Occasional soil tillage, liming, and nitrogen fertilization on long-term no-tillage system
... soil tillage in a 17-year-old, no-tillage system, associated with liming and nitrogen fertilization, on the crop yields and chemical properties of a very clayey Oxisol in the South of ...soil tillage ...
7
LIMING AND ELECTROCHEMICAL ATTRIBUTES OF AN OXISOL UNDER NO TILLAGE
... The field experiment was conducted under a Typic Hapludox in Tibagi, PR, Brazil (24°28'S, 50°27'W). In the winter of 1989, before adopting the no tillage system, the soil was plowed to the 0.2 m depth using a ...
5
SOIL AGGREGATION IN A CROP-LIVESTOCK INTEGRATION SYSTEM UNDER NO-TILLAGE
... In the state of Rio Grande do Sul an area of five million hectares is cultivated in the Summer under no-tillage, of which around three million hectares are used to grow black oat and ryegrass in the winter. These ...
10
Spatial and temporal distribution of weeds in no-tillage system
... Weeds normally infest the cultivation areas in clumps. The use of geostatistics, in this context, is able to describe the spatial behavior of the infestation, contributing to its mapping. Once the clumps are mapped, it ...
5
Maize intercropped with Urochloa ruziziensis under no-tillage system
... seeks greater sustainability of the production system and can be replicated in large land areas. Maize intercropped with forages of the Urochloa genus has proven to be profitable and suitable for targeting both the straw ...
7
Gradual correction of phosphorus availability in the no-tillage system
... However, in areas that have been cultivated for some years, especially those properly managed under no-tillage system (NTS), without limitations related to physical impediments to the growth of the root system, it ...
9
Progress of Soybean Charcoal Rot under Tillage and No-tillage Systems in Brazil
... three tillage systems to study the effect on the population density of ...long-term tillage did not affect the incidence of charcoal rot on ...of tillage system on the infection of soybean ...
5
LABILE AND STABLE FRACTIONS OF SOIL ORGANIC MATTER UNDER MANAGEMENT SYSTEMS AND NATIVE CERRADO
... by tillage exposes POC to microbial attack, reducing its level, so POC is lost by biological oxidation and transformed into mineral- associated organic matter (Table ...
10
MANEJO DO SOLO E ADUBAÇÃO NITROGENADA EM FEIJOEIRO DE INVERNO
... Soil tillage is a management practice as impor- tant as fertilization in what concerns the conservation of soil chemical, physical and biological ...soil tillage systems at Pindorama and Campinas, municipal ...
6
Tillage, fertilization systems and chemical attributes of a Paleudult
... ventional tillage (CT), in which crop residues, fertilizers and lime are incorporated and mixed within the plowing layer (Costa et ...conservation tillage manage- ments, so that under no-tillage (NT) ...
12
CHEMICAL AND PHYSICAL FRACTIONATION OF THE ORGANIC MATTER OF A CAMBISOL AFTER 21 YEARS UNDER DIFFERENT PREPARATIONS
... Soil organic carbon is used as an indicator of soil quality. The objective of this study was to evaluate chemical and physical fractions of the organic carbon in a Humic Cambisol under different tillage for 21 ...
12
CRITICAL LIMITS OF SOIL PENETRATION RESISTANCE IN A RHODIC EUTRUDOX
... No-tillage (NT) has been increasingly used due to the numerous economic and agronomic advantages such as soil and water conservation and improved crop yield (Silva et al., 2012). However, some reports in ...
11
EFFECT OF SOIL TILLAGE AND PLANT RESIDUE ON SURFACE ROUGHNESS OF AN OXISOL UNDER SIMULATED RAIN
... no tillage (NT), conventional tillage (CT), and minimum tillage (MT) ...Conventional tillage was characterized by heavy disk harrowing with mechanical action up to a ...Minimum tillage, ...
11