منابع مشابه
Soil pH Range for Optimum Commercial Vegetable Production1
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متن کاملSOIL pH AND LIMING
When crops do not grow well, one of the first question an agronomist is likely to ask is “What is the pH of the soil?” The reason for this question is that soil pH tells us more about a soils ability to produce crops that any other single measurement. A measurement of soil pH is like a doctor’s measurement of a patient’s temperature. It gives an indication something may or may not be wrong, but...
متن کاملSoil pH and Lime Management
J Ste Fundin … and jus The U.S. and applic identity, r status, sex program, funded by activities.
متن کاملThe 'pH optimum anomaly' of intracellular enzymes of Ferroplasma acidiphilum.
A wide range of microorganisms, the so-called acidophiles, inhabit acidic environments and grow optimally at pH values between 0 and 3. The intracellular pH of these organisms is, however, close to neutrality or slightly acidic. It is to be expected that enzymatic activities dedicated to extracellular functions would be adapted to the prevailing low pH of the environment (0-3), whereas intracel...
متن کاملMigration and Accumulation of Octachlorodipropyl Ether in Soil-Tea Systems in Young and Old Tea Gardens
The migration and accumulation of octachlorodipropyl ether (OCDPE) in soil-tea systems were investigated using a gas chromatography-electron capture detector (GC-ECD) method in young and old tea gardens. When the residual concentration of OCDPE was 100 g a.i. hm-2 in soils, the peak concentrations of OCDPE in fresh leaves of young and old tea plants were 0.365 mg/kg and 0.144 mg/kg, taking 45 d...
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ژورنال
عنوان ژورنال: Chagyo Kenkyu Hokoku (Tea Research Journal)
سال: 1987
ISSN: 0366-6190
DOI: 10.5979/cha.1987.66_98