Water content in the soil
Moisture content effect in the relationship between apparent electrical conductivity and soil attributes
... when the soil has a moisture content close to its field ...capacity. In this situation, the ECa value is approximate to the soil electrical conductivity of the ...
7
THE CRITICAL SOIL WATER CONTENT AND ITS RELATION TO SOIL WATER DYNAMICS
... To illustrate the efficiency of soil water extraction in different situations, TABLE 2 shows the mean matric potential within both soils at both transpiration rates and for different dis[r] ...
6
CORRECTION OF RESISTANCE TO PENETRATION BY PEDOFUNCTIONS AND A REFERENCE SOIL WATER CONTENT
... The soil penetration resistance is an important indicator of soil compaction and is strongly influenced by soil water ...content. The objective of this study was to ...
10
Effects of straw incorporation on soil organic matter and soil water-stable aggregates content in semiarid regions of Northwest China.
... to soil either directly or indirectly, which can promote the production of a favorable soil ...maintains the physicochemical condition of the soil and improves the overall ...
11
Analysis of changes in volume and propagation of cracks in expansive soil due to changes in water content
... from the municipality of Paulista (Pernambuco, Brazil) with coordinates: Latitude: ...W. The soil consists of 470 g kg -1 of clay, 250 g kg -1 of silt, and 28 g kg -1 of ...sand. The liquidity ...
19
Water in the critical zone: soil, water and life from profile to planet
... At the finest scale, flow of water within the soil is most commonly described by the Richards (1931) equation, re- stating, for an unsaturated soil, Darcy’s (1856) law that ...
15
Potassium estimation in the soil solution based on electrical conductivity and soil water content
... irrigation water concentrations were larger than those obtained by Santana et ...between the averages of measured and estimated [K] by the t test, considering the three concentrations of ...
6
Influence of soil water content and atmospheric conditions on leaf water potential in cv. "Touriga Nacional" deep-rooted vineyards
... between the readings and the volumetric water contents (r 2 = ...of soil water content in 10 cm increments down to a depth of 160 cm, were ...used. The fixed system ...
11
Short-term changes in soil Munsell colour value, organic matter content and soil water repellency after a spring grassland fire in Lithuania
... than in the < 53 µm fraction. Fernández et al. (2010) found in non-tilled Entic Haplustoll soils that carbon losses through mineraliza- tion were especially observed in intermediate-size ...
17
Nitrate-Nitrogen Content in Soil and Lysimeter Water under Different Nitrogen Fertilization Levels in Crop Production
... -N content can maximize crop production and minimized environmental impacts of N fertilization (Abu and Malgwi, ...that the long term N fertilization eff ected on the variability of NO 3 -N ...
6
Water content differences have stronger effects than plant functional groups on soil bacteria in a steppe ecosystem.
... followed the procedures described previously ...mixed soil using the Fast DNA SPIN kit for soil according to the manufacturer’s instructions (Qbiogene, Carlsbad, CA, ...USA). The ...
12
EFFECTS OF SOIL WATER DEPLETION ON THE WATER RELATIONS IN TROPICAL KUDZU
... to the humid Southeastern ...crop in regions subjected to dryness. The objective of this paper was to evaluate the effect of soil water depletion on leaflet relative water ...
7
Fipronil residual content in the soil for the control of Oryzophagus oryzae in subsequent flooded rice crops
... out in four crop seasons (from 2010/2011 to 2013/2014), in a Planossolo Háplico (Typic Albaqualf), at Embrapa Clima Temperado, in Capão do Leão, at 31º48'45"S and 52º27'59"W, in ...
8
NUTRIENT CONTENT IN SUNFLOWERS IRRIGATED WITH OIL EXPLORATION WATER
... accumulation in plant tissue after consecutive crop cycles were variable, as observed by other authors (RUSAN; HINNAWI; ROUSAN, 2007; RODDA et ...2011). In this study, plants irrigated with OPW showed ...
7
Seasonality of soil water exchange in the soybean growing season in southern Brazil
... In the top soil layer (0-0.20 m) CT reached higher values during the wet period and lower values dur- ing the dry period, when compared to NT (Figure ...4). The wet period ...
11
LOSSES IN WHEAT CROP AS A FUNCTION OF THE WATER CONTENT OF THE GRAINS AT HARVEST
... rainfall, soil water excess and relative humidity affect negatively the hectoliter mass, thousand grains mass and grain yield, with the relative moisture of air being less influential ...
11
COMPARED PERFORMANCE OF PENETROMETERS AND EFFECT OF SOIL WATER CONTENT ON PENETRATION RESISTANCE MEASUREMENTS
... observing the 1:1 line (Figure 4), PR values in the “Manual” mode were generally higher than by the “Auto” mode, a paired t test was ...corroborate the 1:1 line, and the ...
11
NEUTRON PROBE CALIBRATION CORRECTION BY TEMPORAL STABILITY PARAMETERS OF SOIL WATER CONTENT PROBABILITY DISTRIBUTION
... This calibration line was used in a long range experiment (Villagra, 1992), consisting in a transect of 25 neutron access tubes, in which the variation of soil water content in space and[r] ...
5
EFFECTS OF SOIL WATER AVAILABILITY AND ORGANIC MATTER CONTENT ON FRUIT YIELD AND SEED OIL CONTENT OF CASTOR BEAN1
... reduced soil water content significantly affects the height and diameter of castor bean stem, with a reduction of 40 to 60% of available water resulting in the blockade of ...
8
The correlation of metal content in medicinal plants and their water extracts
... consumed in the world for their desirable aroma, taste and putative positive physiolo- gical ...functions. The growing interest in plant beverages all over the world would be connected ...
7