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conventional tillage

ALUMINUM HYDROXY-INTERLAYERED MINERALS AND CHEMICAL PROPERTIES OF A SUBTROPICAL BRAZILIAN OXISOL UNDER NO-TILLAGE AND CONVENTIONAL TILLAGE

ALUMINUM HYDROXY-INTERLAYERED MINERALS AND CHEMICAL PROPERTIES OF A SUBTROPICAL BRAZILIAN OXISOL UNDER NO-TILLAGE AND CONVENTIONAL TILLAGE

... tendency to reduce the degree of intercalation of Al hydroxyl layers in soil under NT. However, the kinetic effect of only organic matter on the environmental conditions of temperature and moisture was not sufficient to ...

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CHARACTERIZATION OF SOIL STRUCTURE AND POROSITY UNDER LONG-TERM CONVENTIONAL TILLAGE AND NO-TILLAGE SYSTEMS

CHARACTERIZATION OF SOIL STRUCTURE AND POROSITY UNDER LONG-TERM CONVENTIONAL TILLAGE AND NO-TILLAGE SYSTEMS

... Although these problems have existed ever since the beginnings of agriculture, their current extension and impact are considered to be extreme (Lal & Stewart, 1990). Qualitative diagnoses of different soil management ...

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SOYBEAN RESPONSE TO STARTER NITROGEN AND Bradyrhizobium INOCULATION ON A CERRADO OXISOL UNDER NO-TILLAGE AND CONVENTIONAL TILLAGE SYSTEMS

SOYBEAN RESPONSE TO STARTER NITROGEN AND Bradyrhizobium INOCULATION ON A CERRADO OXISOL UNDER NO-TILLAGE AND CONVENTIONAL TILLAGE SYSTEMS

... in the soil. Similar results were observed in the South of Brazil (Hungria et al., 1997) and other parts of the world (Sij et al., 1979; Koutroubras et al., 1998). In 1998, three million hectares were cultivated under ...

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Survival of pathogens on soybean debris under no-tillage and conventional tillage systems (1)

Survival of pathogens on soybean debris under no-tillage and conventional tillage systems (1)

... These data show that under Brazilian conditions where continuous soybean cropping is largely used by farmers in a no-tillage system, there could be a significant enhancement in disease levels due to the increased ...

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Performance do feijão-caupi BRS Itaim em relação à densidade de plantio e sistemas de semeadura convencional e direta

Performance do feijão-caupi BRS Itaim em relação à densidade de plantio e sistemas de semeadura convencional e direta

... Table 3 - Pearson’s Correlation for grain yield per hectare (GYHA), pod length (PL), number of grains per pod (NGP), 100-grain weight (100-GW), number of pods per plant (NPP), number of pods per area (NPA), and seedling ...

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Efeito do Manejo de Longo Prazo em Sistemas Agrícolas Sobre a Ocorrência e Composição de Espécies Daninhas

Efeito do Manejo de Longo Prazo em Sistemas Agrícolas Sobre a Ocorrência e Composição de Espécies Daninhas

... Among distinct soil managements, no-till cropping systems can shift the dynamics of weed species at the soil seed bank and also modify the effectiveness of soil-applied herbicides, due to soil coverage and possible ...

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USE OF S-INDEX AS A STRUCTURAL QUALITY INDICATOR FOR COMPACTED LATOSOLS CULTIVATED WITH MAIZE

USE OF S-INDEX AS A STRUCTURAL QUALITY INDICATOR FOR COMPACTED LATOSOLS CULTIVATED WITH MAIZE

... = conventional tillage without additional compaction; T1, T2 and T3 = one pass of a 4, 7 and 10-Mg tractor, respectively; T4 = three passes of a 10-Mg ...

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CRITICAL LIMITS OF SOIL PENETRATION RESISTANCE IN A RHODIC EUTRUDOX

CRITICAL LIMITS OF SOIL PENETRATION RESISTANCE IN A RHODIC EUTRUDOX

... different tillage and cropping systems on the soil penetration resistance in a Rhodic ...The tillage systems consisted of: conventional tillage disk harrow; minimum tillage with annual ...

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PHYSIOLOGICAL RESPONSES OF COWPEA UNDER WATER STRESS AND REWATERING IN NO-TILLAGE AND CONVENTIONAL

PHYSIOLOGICAL RESPONSES OF COWPEA UNDER WATER STRESS AND REWATERING IN NO-TILLAGE AND CONVENTIONAL

... The no-tillage system in the control treatment provided higher accumulation of LA and TDM than the conventional tillage system (Figure 2). A significant increase of LA and TDM in the ...

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CHEMICAL AND PHYSICAL FRACTIONATION OF THE ORGANIC MATTER OF A CAMBISOL AFTER 21 YEARS UNDER DIFFERENT PREPARATIONS

CHEMICAL AND PHYSICAL FRACTIONATION OF THE ORGANIC MATTER OF A CAMBISOL AFTER 21 YEARS UNDER DIFFERENT PREPARATIONS

... The humic fraction represented 67% of the total organic carbon in the conventional tillage and no-tillage in the 0-2.5 cm layer, while in the NF, it was 26%. This result explains that in the cropped ...

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Soil CompaCtion Curve of an oxiSol under SugarCane planted after in-row deep tillage

Soil CompaCtion Curve of an oxiSol under SugarCane planted after in-row deep tillage

... Soil tillage that maintains the productivity of sugarcane plantations, providing an area for the root development and without traffic on crop rows, has given rise to new technologies in rural ...in ...

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EFFECT OF SOIL TILLAGE AND PLANT RESIDUE ON SURFACE ROUGHNESS OF AN OXISOL UNDER SIMULATED RAIN

EFFECT OF SOIL TILLAGE AND PLANT RESIDUE ON SURFACE ROUGHNESS OF AN OXISOL UNDER SIMULATED RAIN

... Analyzing the effect of rains on soil surface roughness, it may be considered that the intensity of the changes in soil microrelief decline with the increase in the amount of rain applied on the plots. In general, ...

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CHANGES IN CHEMICAL PROPERTIES BY USE AND MANAGEMENT OF AN OXISOL IN THE AMAZON BIOME

CHANGES IN CHEMICAL PROPERTIES BY USE AND MANAGEMENT OF AN OXISOL IN THE AMAZON BIOME

... The highest potassium availabilities, in all soil layers evaluated, were found in the minimum tillage system (Table 4). All soil uses and management systems showed a decrease in potassium availability with depth. ...

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Relationships between labile soil organic carbon fractions under different soil

Relationships between labile soil organic carbon fractions under different soil

... to tillage, cover crop and phosphate fertilization on the amount of the LCF of ...of conventional tillage (CT) and no-tillage (NT) with millet as the cover crop and a no-tillage system ...

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Prediction of soil shear strength in agricultural and natural environments of the Brazilian Cerrado

Prediction of soil shear strength in agricultural and natural environments of the Brazilian Cerrado

... Conventional tillage provided the highest values of maximum soil shear strength, significantly higher than that of the other managements, in all consistency limits (Figure ...

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Physical Properties and Crop Management for Corn in an Albaqualf

Physical Properties and Crop Management for Corn in an Albaqualf

... Management practices can assist in decompacting lowland soils to improve physical properties and drainage. Soil chiseling before sowing corn can minimize the effects of compaction by decreasing bulk density and soil ...

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PHYSICAL PROPERTIES OF A HUMIC CAMBISOL UNDER TILLAGE AND CROPPING SYSTEMS AFTER 12 YEARS

PHYSICAL PROPERTIES OF A HUMIC CAMBISOL UNDER TILLAGE AND CROPPING SYSTEMS AFTER 12 YEARS

... Attempts have been made in several studies to describe the effect of management systems on soil physical quality, often related to organic carbon levels (Souza & Alves, 2003; Tormena et al., 2004). Such alterations ...

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Model to support the evaluation of the impact of the use and management of the soil on the water balance

Model to support the evaluation of the impact of the use and management of the soil on the water balance

... soil tillage treatments were applied: bare soil with a plowing + disking operation (BS), conventional tillage with a plowing + two disking operation (CT), minimum tillage with chiseling + ...

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Water erosion and soil water infiltration in different stages of corn development and tillage systems Daniel F. de Carvalho

Water erosion and soil water infiltration in different stages of corn development and tillage systems Daniel F. de Carvalho

... 1). Tillage along contour lines associated with the crop root system promoted higher soil stability, thus decreasing losses of soil and ...under conventional tillage, in comparison to conservational ...

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EMISSIONS AND CARBON CROP RESIDUE MINERALIZATION IN AN OXISOL UNDER DIFFERENT TILLAGE AND CROP ROTATION SYSTEMS

EMISSIONS AND CARBON CROP RESIDUE MINERALIZATION IN AN OXISOL UNDER DIFFERENT TILLAGE AND CROP ROTATION SYSTEMS

... The greenhouse effect is a natural phenomenon responsible for the partial retention of the incident solar radiation on the earth surface, maintaining the global mean temperature close to 15 °C (IPCC, 2001). However, the ...

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