2000•Unpublished venueRequires access

EFFECT OF IMPROVING SOIL FERTILITY IN DIFFERENT MEASURES ON COMPOSITION AND CHARACTERISTICS OF HUMUS IN THE CINNAMON SOIL OF THE EASTERN PARTS OF HEBEI PROVINCE

Han Zhi

Abstract

In this paper, the effect of improving soil fertility on composition and characteristics of humus in cinnamon soil was studied After using organic fertilizer combining with chemical fertilizer, the content of the extractive humus acid of soil and that of HA and FA were raised The rate of HA/FA became higher HA was activated and renewed The soil fertility was improved However, no fertilizer or using mere constant chemical fertilizer would make the composition and characteristics worse and the soil fertility decline The composition and characteristics of humus were important indices to reflect the effect of improving soil fertility Organic manure used together with chemical fertilizer was the effective way to bring about sustainable development of agriculture

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Key concepts: Humus, Soil fertility, Fertilizer, Manure, Composition (language), Agronomy, Organic fertilizer, Environmental science