alkalinity+of+soil

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• Soil pH — is the pH of soil water. It is based on the measurement of pH, which depends on the activity of hydrogen ions (H+) in a solution.There are many different methods to collect soil water, all which influence the measured soil pH in one way or… …   Wikipedia

• Soil biodiversity — This discussion looks at the relationship of the soil to biodiversity, at some aspects of the soil that can be managed in relation to biodiversity, and raises some catchment management considerations.oil and biodiversityBiodiversity is “the… …   Wikipedia

• alkali soil — soil that has either a high degree of alkalinity or a high percentage of sodium, or both, so that most crops cannot be grown in it profitably. [1910 15] * * * alkali soil, soil containing soluble mineral salts, in quantities sufficient to… …   Useful english dictionary

• alkali soil — soil that has either a high degree of alkalinity or a high percentage of sodium, or both, so that most crops cannot be grown in it profitably. [1910 15] * * * …   Universalium

• Acid sulfate soil — Acid sulfate soils are naturally occurring soils, sediments or organic substrates (e.g. peat) that are formed under waterlogged conditions. These soils contain iron sulfide minerals (predominantly as the mineral pyrite) or their oxidation… …   Wikipedia

• Jackson-Sherman soil weathering stages — ▪ Table       Jackson Sherman soil weathering stages         characteristic minerals in soil clay fraction       characteristic chemical and physical conditions of soil       characteristic soil profile features early stage       gypsum,… …   Universalium

• Fruit tree propagation — is usually carried out through asexual reproduction by grafting or budding the desired variety onto a suitable rootstock. Perennial plants can be propagated either by sexual or vegetative means. Sexual reproduction occurs when male pollen from… …   Wikipedia

• Neem cake — organic manure flakes Neem cake organic manure is the by product obtained in the process of cold pressing of Neem tree fruits and kernels, and the solvent extraction process for neem oil cake. It is a potential source of organic manure under the… …   Wikipedia

• Alkali — In chemistry, an alkali (from Arabic: Al Qaly القلي, القالي ) is a basic, ionic salt of an alkali metal or alkaline earth metal element. Alkalis are best known for being bases (compounds with pH greater than 7) that dissolve in water. The… …   Wikipedia

• Acidophobe — The terms Acidophobe/Acidophobia//Acidophoby/Acidophobic refer to intolerace to acidic environments. The term is variously applied to plants, bacteria, protozoa, animals, chemical compounds, etc. The anthonymous term is acidophile . Cf.… …   Wikipedia

• Alkali soils — Alkali, or alkaline, soils are clay soils with a relatively high exchangeable sodium percentage, a relative high pH (> 9), a poor soil structure and a low infiltration capacity. Often they have a hard calcareous layer at 0.5 to 1 m. depth (in… …   Wikipedia