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Effect of Sodium Silicate and Diammonium Hydrogenphosphate on Slopeland Soil Properties and Plant Growth
|關鍵字:||Soil amendment;土壤改良;Sodium Silicate;Diammonium Hydrogenphosphate;矽酸鈉;磷酸銨||出版社:||水土保持學系||摘要:||
The propose of this study is to examine the effect of two soil amendments, namely, Sodium Silicate (Na2SiO3) and Diammonium Hydrogenphosphate ((NH4)2HPO4) on slopeland soil properties and vegetative growth . The soil was treated with different 0%, 0.1%, 0.5%, and 1.5% concentrations of Si and P. The treated soil samples were stored in plastic bags indoor and kept undisturbed outdoor for 6 months before subjecting them to the physical and chemical properties experiments and the plant growth experiments.
The results of the experiment indicated that exchangeable cations and fertility of the soil increased with increasing concentrations of Si and P. However, there is adverse effect of Na2SiO3 contained Na+ and high EC with high concentration of Na2SiO3 and (NH4)2HPO4. For suitable for plant growth, the soil should better be treated with 0.1% Si and P.
|Appears in Collections:||水土保持學系|
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