Results 41 to 50 of about 210,756 (166)
Soil salinisation is one of the major obstacles to agricultural production in arid and semi-arid regions. This process has been largely exacerbated in recent decades due to the expansion of irrigated land without drainage, as well as climate change and rising sea levels.
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Abstract A number of experimental results are presented which show the variation of the pH values of several soils when samples of each are shaken with CaCl 2 solutions of different concentrations.
Schofield, R. K., Taylor, A. W.
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On the determination of soil pH
In the present paper the routine determination of soil pH in the laboratory was studied using a material of 15 soil samples of various kind and in addition, two larger soil groups, consisting of 80 and 406 samples respectively. In comparing the pH values determined in water and in 0.01 M CaCl2 suspensions, the latter proved to be almost independent of ...
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Asian countries such as Malaysia and Indonesia are beginning to commercialise the cultivation of Volvariella volvacea as the demand rises. However, production is still low due to a lack of knowledge about formulation and poor handling of the spent ...
Bakar Muhammad Wasil Bin Abu +8 more
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Experiences with liming in European countries - results of long-term experiments
Liming was and still is carried out in many European forests since the beginning of the 1980s. Main objectives of compensation liming is to neutralize actual acidic deposition in order to prevent further soil acidification, to increase base saturation ...
W. Schaaf, R. F. Hüttl
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Effects of mixed plantation of alder and poplar on population of Frankia nodulation in soil [PDF]
Nowadays, nitrogen-fixing tree species are often planted in combination with poplar to provide nutrients, though this can reduce the number of host plants and have a negative impact on soil Frankia population.
Ehsan Kahneh +3 more
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The effect of meat and bone meal on phosphorus concentrations in soil and crop plants
A four-year field experiment was conducted in north-eastern Poland. The aim of the study was to determine the direct and residual effects of increasing doses of meat and bone meal (MBM) on the available phosphorus content of soil and the total phosphorus
A. Nogalska, M. Zalewska
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Environmental and nutritional requirements for tea cultivation
Tea (Camellia sinensis) is an important beverage crop cultivated in the tropics and subtropics under acid soil conditions. Increased awareness of the health-promoting properties of the tea beverage has led to an increase in its level of consumption over ...
Hajiboland Roghieh
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Controls on the net dissolved organic carbon production in tropical peat
Soil factors such as pH and the presence of polyvalent cations can influence the net production of dissolved organic carbon (DOC). This study aimed to determine the main factors that control net DOC production.
Siti Nurzakiah +4 more
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Background. The accumulation of salts in soils is often accompanied by a change in pH to the alkaline side, technogenic salinization can be accompanied by an acidic reaction of the soil.
O.A. Chetina, N.S. Zhulanova
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