Acid soils
Morphophysiological Responses of Olive Plants of the Arbequina Cultivar in Acid Soils
... with acid soil problems and aluminium toxicity, as well as in Brazil. The acid soils alter mainly characteristics related to the growth and development of the plants, as in the ab- sorption of ...
16
Fractionation and availability of phosphorus in acid soils of Hagereselam, Southern Ethiopia under different rates of lime
... Ethiopian soils have a high potential for crop production, no detailed work has been done on the P status, forms, and dynamics ...in acid soils of southern Ethiopia and the influence of reclamation ...
7
Chickpea Residue Properties Controlling Decomposition Dynamics and nitrogen Availability in Some Tropical Acid Soils
... Chickpea (Cicer arietinum) grown in a rotation can contribute significant nitrogen (N) if its decomposition and nutrient-release dynamics are known and synchronised with the maximum demand by the succeeding crop. The ...
11
Comparison of Cadmium Adsorption Behavior in Selected Calcareous and Acid Soils
... an acid sandy soil demonstrated a reduced ability to retain Cd as compared to a calcareous clay loam and sandy loam soils, due to the lower pH even though clay contents were similar between ...different ...
14
Effect of organic fertilizer and its residual on cowpea and soybean in acid soils
... Abstract: The expansion of planting areas on acid soils is one of the strategies to achieve Indonesian self-sufficiency program on food. Acidic soil has low pH that causes contents of Al, Fe, and Mn are ...
8
Phosphorus Dynamics and Rice Yield Response to Different Fertilization in Acid Soils
... The study showed the impact of use of different fertilizer combinations on rice yield, P availability and the proportion of P fractions as well as the balance P in the soil. Highest grain and straw yield was found in T3 ...
13
Using Ground Basalt and/or Organic Fertilizer to Enhance Productivity of Acid Soils in Malaysia for Crop Production
... mineral acid soils in Malaysia ranges from 3 to 5, with the pH of 8OWLVROVDQG2[LVROVUDQJLQJIURPWRZKLOHDFLGVXOIDWHVRLOV6XOIDTXHSWV have a pH < ...while acid sulfate soils contain jarosite ...
20
Transformation of aluminium fractions and phosphorus availability in acid soils as the result of microbes and ameliorant addition
... namely high porosity and natural cation exchanges (Havelcova et al., 2009). Lignite (brown coal) can produce humic acid, which can affect the nutrient release rate of soil minerals. The application of coal as a ...
8
Impaired Reduction of N2O to N2 in Acid Soils Is Due to a Posttranscriptional Interference with the Expression of nosZ
... ever, the mRNA/DNA ratios should be valid for the genes ampli- fied with the primers used, since cDNA and DNA were amplified by the same set of primers. Thus, for the organisms harboring these genes, there is no evidence ...
10
oa Agrochemophysica - A comparison of buffer methods for determining lime requirement of acid soils of the Highveld region*
... the soils were dried and passed th ro u g h a 2 mm sieve. T he soils sam pled represent a fairly wide acidity range and any deductions th a t are m ade should be generally applicable to acid ...
5
Nitrification in acid soils
... became acid, the acidity being sometimes greater and sometimes less than the equivalent of the ammonia ...the acid grass ...the acid grass plots, and the rapidity with which they will work (in vitro ...
17
A Brief Study on Using pHH2O to Predict pHKCl for Acid Soils
... Soil acidification is a natural process in tropical and subtropical regions due to higher rate of weathering and leaching under hot and humid climatic conditions [13] [14] [15], it is accelerated greatly due to acidic ...
8
Zinc Sorption by Acid, Calcareous and Gypsiferous Soils as Related to Soil Mineralogy
... 2 acid and 2 gypsiferous ...all soils. Gypsiferous soils exhibited greater Zn adsorption than calcareous and acid ...gypsiferous soils could be related to the presence of a palygorskite ...
16
Yield and Mineral Composition of Grass Species Grown on Acid Grassland Soils.
... Effect of calcic lime and phosphorus on mean yield and mineral concenirafions of 10 grass species grown on acid soils.. Plants from both experiments were analyzed[r] ...
5
Effects of perennial (‘Russell’) lupins on soil nitrogen and carbon in acid high-country soils
... Lupinus polyphyllus (common name: ‘Russell’ lupin), also known as perennial lupin, is a herbaceous perennial legume species which has the potential to improve soil N and biological N cycling (Scott 1989). Perennial lupin ...
6
Arsenic compounds in the leaves and roots of radish grown in three soils treated by dimethylarsinic acid
... in soils were also reported (Bowell ...dimethylarsinic acid (DMA) and methylarsonic acid (MA) before cultivation of Chinese brake (Pteris vittata ...
7
Phosphorus in Finnish soils in the 1900s with particular reference to the acid ammonium acetate soil test
... peat soils not mixed with mineral soil, the equation corrects the later values downwards, sometimes by as much as ...in soils with relatively high content of acetate extractable ...peat soils in ...
15
Sorption of heavy metals in organic horizons of acid forest soils at low added concentrations
... of soils and generally high affinity of lead for most functional groups in organic matter (Bradl 2004) can explain this ...of soils, as this metal is preferentially sorbed to organic fraction (Barančíková ...
9
Acid phosphomonoesterase activity as affected by salicylic acid and its relation to selected biochemical characteristics in soils of Norway spruce stands
... The cultivation of spruce in monocultures is as- sociated with decreasing increment and site re- generation, caused, among other things, by the input of phytotoxic substances into soil. Spruce is a potential producer of ...
7
Assessment of bioavailable organic phosphorus in tropical forest soils by organic acid extraction and phosphatase hydrolysis
... organic acid concentration, which affects the quantity of P extracted (Strom et ...organic acid concentrations typical of those found in the rhizosphere, which are in the order of μ M rather than mM (Jones, ...
11