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Influence of the degree of soil organic matter lability on the calcium carbonate equilibrium of soil water
calcium carbonate equilibrium degree of lability liming need soil organic matter soil water
2015/3/2
In average samples of three sandy-loamy acid Cambisols from a South Bohemian area labile organic matters were determined by the permangate method modified by the dichromate method, and the rate consta...
The effects of soil boron and calcium applications on boron and calcium uptake in Durum wheat (Triticum durum L.)
Boron boron toxicity calcium Durum wheat
2011/1/12
Recently, boron (B+) toxicity has received a great deal of attention as it decreases yield of crops significantly. In this study, we investigated whether the application of different levels calcium (C...
EFFECT OF CALCIUM CARBONATE CONCRETIONS ON PHOSPHORUS AVAILABILITY TO THE CROPS
Triticum aestivum Zea mays Calcium carbonate phosphorus Pakistan
2009/9/30
A pot experiment was conducted at Soil Chemistry Section, Ayub Agricultural Research
Institute, Faisalabad during 2001-2003. Five treatments i.e. 0, 3, 6, 9 and 12 percent
CaCO
concretion (CCC) ...
Calcium Helps Evaluate Soil's Ability to Retain Earth's Carbon
Calcium Soil's Ability Earth's Carbon
2009/12/16
Soils play a vital role in dealing with the environmental impacts of rising atmospheric carbon levels, primarily CO2, from natural and human activities. The Earth's carbon budget is a dynamic process....
Effects of Calcium Cyanamide Application on Seedling Emergence in the Submerged Direct-Seeding of Rice(Agronomy)
Apple snail Calcium cyanamide Chemical injury Rice Seedling emergence
2009/7/10
The application of calcium cyanamid is effective in the control of apple snail (Pomacea canaliculata (LAMARCK) ) that damage rice seedlings. An investigation of the effects of calcium cyanamide applic...
Soil Calcium: Magnesium Ratios and Lime Recommendations for Cotton
Cotton Lime Recommendations Magnesium Ratios Soil Calcium
2008/5/14
Some crop managers are concerned that repeated use of dolomite lime, which contains 10 to 15% Mg, will produce excessively high soil Mg+2 levels relative to Ca+2 and reduce cotton (Gossypium hirsutum ...
Changes in Mineral and Terpene Concentration Following Calcium Fertilization of Chrysanthemum boreale M.
Chrysanthemum boreale M calcium mineral uptake photosysnthesis terpene essential oils
2010/11/8
With increasing concerns for health-improving foods, the demand for the flowers of Chrysanthemum boreale M. has become higher than ever. To fulfill the increasing demand for a high quality flower we i...
About the effect of the contents and ratios of soil’s available calcium, potassium and magnesium in liming of acid soils
acid soils lime fertilisers calcium magnesium potassium yield red clover (Trifolium pratense L.) Italian ryegrass
2010/1/13
Soils in Estonia are characterised by washing out, i.e. leaching, of calcium carbonates and magnesium carbonates. Calcium losses from the arable layer may amount 150–500 (600) kg ha-1 a year, resultin...