菌肥与柠檬酸互作对石灰性土壤生物学特性及草坪质量的影响

doi:10.11686/cyxb20140526

摘要/Abstract

摘要：

在草坪的日常管理中,肥料施用是一个必不可少的环节。在实际生产中,一般通过常规的氮、磷肥施用促进草坪草的生长,达到提高和改善草坪质量的目的,而通过施用微生物肥料和柠檬酸等辅助性肥料来改善土壤微生物环境、提高土壤养分有效性,从而促进草坪的生长方面研究较少。本文研究了柠檬酸和促生菌肥的互作处理对冷季型草坪质量及土壤生物学特性的影响,从而探讨柠檬酸和促生菌肥提高草坪草质量的机理,为草坪的科学管理提供理论依据。研究表明,1)一定量菌肥配合柠檬酸增加了石灰性土壤中微生物数量,尤其是深层土壤放线菌数量,且提高了土壤蔗糖酶和脲酶的活性。2)柠檬酸的施用,显著提高了土壤中有效磷含量。3)在一定量的氮、磷肥施用水平下,柠檬酸和促生菌肥有效提高了草坪质量。

Abstract:

Nutrient management is an essential part of turf management; nitrogen (N) and phosphate (P) fertilizers are commonly applied to improve turf quality. However, little research on the effect of supplementary fertilizers, such as citric acid and bio-fertilizer, on turf quality has been carried out. This study was initiated to examine the effects of the combined application of citric acid and bio-fertilizer on the turf quality and soil biological characteristics on a calcareous soil. The results revealed that the combination of citric acid and bio-fertilization significantly increased the population of soil microorganisms, especially actinomycetes in the lower soil profile. Citric acid significantly improved the level of available phosphorus and the combination of citric acid and bio-fertilizer significantly improved turf quality provided N & P fertilizer application was adequate.

中图分类号:

S688.4

刘强,姚拓,马晖玲. 菌肥与柠檬酸互作对石灰性土壤生物学特性及草坪质量的影响[J]. 草业学报, 2014, 23(5): 223-230.

LIU Qiang,YAO Tuo,MA Hui-ling. Combined effects of bio-fertilizer and citric acid on turf quality and soil biology on a calcareous soil[J]. Acta Prataculturae Sinica, 2014, 23(5): 223-230.

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