The influence of different plantations on the soil fertility on Loess Plateau
Qingrui Chang
Abstract
Qingrui Chang
Abstract
With the typical plantations on Loess plateau as the subject,the change of soil fertility was studied in different types of plantations according to soil organic matter,nutrition and CEC. It can be observed that:the soil fertility can be improved significantly by plantation of grown-up Pinus tabulae formis and Robinia pseudoacacia;The soil under grown-up Pinus tabulae formis and Robinia pseudoacacia scarcely had CaCO3-Action. Robinia pseudoacacia was better than Pinus tabulae formis in enhancing the soil fertility.
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With the typical plantations on Loess plateau as the subject,the change of soil fertility was studied in different types of plantations according to soil organic matter,nutrition and CEC. It can be observed that:the soil fertility can be improved significantly by plantation of grown-up Pinus tabulae formis and Robinia pseudoacacia;The soil under grown-up Pinus tabulae formis and Robinia pseudoacacia scarcely had CaCO3-Action. Robinia pseudoacacia was better than Pinus tabulae formis in enhancing the soil fertility.
Key concepts: Robinia, Soil fertility, Loess plateau, Loess, Plateau (mathematics), Agroforestry, Agronomy, Organic matter