|Table of Contents|

Effects of Biochar-based Fertilizer on Yield and Quality of Apple and Soil Fertility

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2020年18
Page:
18-24
Research Field:
Publishing date:

Info

Title:
Effects of Biochar-based Fertilizer on Yield and Quality of Apple and Soil Fertility
Author(s):
QIN Yaxu1; 2; WANG Chong1; 2; ZHENG Zhaoxia1; 2; FENG Tianyu1; 2; MA Yanting1; 2; ZHAI Bingnian1; 2; 3
(1.College of Natural Resources and Environment，Northwest A&F University，Yangling，Shaanxi 712100；2.Key Laboratory of Plant Nutrition and Agricultural Environment of Northwest of Ministry of Agriculture，Yangling，Shaanxi 712100；3.Apple Experiment Station，Northwest A＆F University，Baishui，Shaanxi 715600)
Keywords:
biochar-based apple specific fertilizer; soil nutrients; leaf nutrients; quality
PACS:
-
DOI:
10.11937/bfyy.20194623
Abstract:
Using 15-year-old ‘Qiaohua’ Fuji apple and the biochar apple special fertilizer independently developed by the research group as the test materials，the effects of different fertilization treatments on the yield，quality and soil fertility of apples were studied in field plot experiment，in order to provide scientific basis for organic fertilizer to replace fertilizer and reduce the use of fertilitzer.The results showed that when biochar-based apple special fertilizer was applied into the soil，the contents of soil water content，pH，total nitrogen，organic matter and available potassium all increased to different degrees.Except for soil water content，T1 treatment had significant differences with CK treatment.The content of available phosphorus in soil decreased by up to 14.50%.The contents of nitrogen，phosphorus and potassium in leaves treated by T1，T2 and T3 were all lower than those treated by CK.The order of SPAD value，hecto-leaf thickness，hecto-leaf weight and leaf water of the plant was T1>T2>T3>CK.There was no significant difference in shoot length，hecto-leaf thickness and water content between treatments.The SPAD and hecto-leaf quality of T1 treatment were significantly different from that of CK treatment.Compared with CK，T1 treatment yield increased by 14.23%.The application of biochar-based fertilizer reduced the fruit hardness，and there was no significant difference between treatments.The content of soluble solids in T1，T2 and T3 was higher than that in CK and increased by 36.63%，28.20% and 9.16%，respectively，compared with the control group.The sugar-acid ratio of fruit increased by 8.95%-29.06% after applying biochar-based fertilizer.The vitamin C content in T1，T2 and T3 fruits increased by 5.05，2.40，0.32 mg?(100g)-1，respectively.Biochar-based apple fertilizer can improve soil physical and chemical properties，promote tree growth，increase apple yield and improve fruit quality.

References:

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Last Update: 2020-12-16