丘陵山地红壤广泛分布于我国江南,由于地处优越的自然生物气候条件,各省已利用红壤丘陵山地开垦了数以百万亩的柑桔园。然而,这些园地土壤在不同程度上仍表现出自然土壤的基本特性,即所谓“瘠、酸、黏、旱”。针对这些问题,各地柑桔区对这类土壤进行了颇有成效的改良利用,明显改善了土壤性状,加速了红壤柑桔园土壤的熟化过程,从而提高果园土壤的熟化度,为创造柑桔高产、稳产、优质提供了最基本的土壤条件。 Hilly and mountainous red soil is widely distributed in Jiangnan of our country. Due to its excellent natural biological and climatic conditions, the provinces have exploited millions of mu of citrus orchards in the hilly red soil regions. However, the soils of these fields still show, to some extent, the basic characteristics of natural soils, so-called “barren, acid, sticky and dry”. In response to these problems, citrus regions around the region of these kinds of soil has been quite effective improvement and utilization, significantly improved the soil properties, accelerated soil citrus red soil maturation process, thereby enhancing the orchard soil ripening, in order to create citrus High yield, stable yield, high quality provides the most basic soil conditions.