土亚类

作者提出将园林土壤划分为园艺土类，园林土亚类和扰动土、营养土属。

The garden soil may be classified as a great group subspecies and turmoil soil , nutritive genus .

以褐土类潮褐土亚类潮垆土土属黑底潮砂泥土土种为研究对象，探讨长期定点不施肥对土壤养分含量及作物产量的影响。

This paper studied the effects of no fertilization on soil nutrients and crop yield in meadow cinnamon soil in Tangyin County .

障碍因素属于灌溉改良型的淹育水稻土亚类土壤有机质及全氮含量偏低。

The flooded sterile paddy soil sub-categories of barriers are irrigation of improved soil organic matter and total nitrogen content was low lever .

而人为利用的土壤有机碳含量变异系数较低，漂洗型水稻土亚类仅11.97%。

The soil SOC of human use soils showed a lower coefficient of variation , with 11.97 % only by rinse paddy soils sub-class .

最后就塿土在中国系统分类中存在的堆垫表层诊断指标问题和土垫旱耕人为土亚类的划分问题进行了讨论。

Solutions to the problems with the diagnostic index of the Cumulic epipedon and classification of the subgroup of the Eum-Orthric Anthrosols were probed .