|Table of Contents|

Effects of Chemical Fertilizer Replacing Organic Fertilizer on Soil Nutrients，Enzyme Activities and Production and Quality of Radix pseudostellariae

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2023年14
Page:
79-86
Research Field:
Publishing date:

Info

Title:
Effects of Chemical Fertilizer Replacing Organic Fertilizer on Soil Nutrients，Enzyme Activities and Production and Quality of Radix pseudostellariae
Author(s):
YU Gao1; 2; CHEN Fen1; WANG Hai3
(1.Guizhou Provincial Key Laboratory for Biodiversity Conservation and Utilization in the Fanjing Mountain Region，Tongren University，Tongren，Guizhou 554300;2.Guizhou Baili Gallery Ecological Agricultural Technology Development Co.Ltd.，Tongren，Guizhou 565300;3.Tongren Science and Technology Innovation Development Center，Tongren，Guizhou 554300)
Keywords:
biological organic fertilizer; Radix pseudostellariae; yield; quality; nutrient
PACS:
-
DOI:
10.11937/bfyy.20224622
Abstract:
Taking ‘Shitai No 1’ Radix pseudostellariae as the test material，a field test was conducted with five treatments，100% NPK chemical fertilizer (T1)，70% NPK chemical fertilizer+1 350 kg?hm-2 biological organic fertilizer (T2)，50% NPK chemical fertilizer+2 250 kg?hm-2 biological organic fertilizer (T3)，30% NPK chemical fertilizer+3 150 kg?hm-2 biological organic fertilizer (T4)，and 4 500 kg?hm-2 biological organic fertilizer (T5).The effects of different proportion of organic fertilizer replacing chemical fertilizer on soil organic matter，nutrients，soil enzyme activities，and yield and quality of Radix pseudostellariae were studied,in order to provide reference for scientific reduction of chemical fertilizers，rational application of organic fertilizers，and the high yield and quality of the traditional Chinese medicine Radix pseudostellariae industry in Guizhou Province.The results showed that soil organic matter content，available phosphorus content，soil catalase activity，sucrase activity and urease activity showed a rising trend with the increasing proportion of organic fertilizer replacing chemical fertilizer，while soil available potassium content and phosphatase activity showed a trend of first increasing and then decreasing.The contents of soil organic matter and available phosphorus in T5 treatment were 17.13%-74.26% and 16.69%-78.08% higher than those in other treatments，respectively，and reached a significant level.The yield of Radix pseudostellariae in T3 treatment was the highest，significantly higher than that in other treatments.There was no significant difference between T3，T4 and T5 treatments in drying rate and soluble extracts of Radix pseudostellariae，but they were significantly higher than T1 and T2 treatments.In general，organic manure replacing chemical fertilizer could significantly increase the content of soil organic matter，improve the soil nutrient status，stimulate soil enzyme activities，promote the absorption and utilization of soil nutrients by Radix pseudostellariae，and facilitate the growth and development of Radix pseudostellariae.In this experiment，the best treatment was T3，which gave consideration to good soil biochemical characteristics and high yield and quality of Radix pseudostellariae，and effectively reduced the amount of chemical fertilizer.

References:

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Last Update: 2023-08-29