数字农科院2.0

The Effects Of Mixed Hardwood Biochar, Mycorrhizae, And Fertigation On Container Tomato And Pepper Plant Growth

文献类型： 外文期刊

作者： Yu, P; Li, QS; Huang, L; Qin, K; Niu, GH; Gu, MM

作者机构：

关键词： Peat Moss; Substrate; Vermicompost; Chicken Manure Compost

期刊名称： SUSTAINABILITY

ISSN：

年卷期： 2020 年 12 卷 17 期

页码：

收录情况： JCR（2021版）

摘要： Biochar (BC) has the potential as a peat moss alternative for container plant growth. Three experiments were conducted to evaluate the effects of mixed hardwood BC, compost types, mycorrhizae, and fertigation on container-grown tomato and pepper growth. In experiment 1 (Exp1), BC at 50%, 70%, and 90% (vol.) were mixed with 5% vermicompost (VC) with the rest being a commercial peat moss-based substrate (CS) and fertigated at 200 or 300 mg L-1N. In experiment 2 (Exp2), 80% BC was mixed with chicken manure compost (CM;; 5% or 10%) and CS and fertigated at 100 or 200 mg L-1N. In experiment 3 (Exp3), 90% BC was blended with CS and fertigated at 200 or 300 mg L-1N. Mixes in all the three experiments were added with or without mycorrhizae. Results showed that, compared with CS, in Exp1 tomato and pepper plants grown in BC-VC mixes had similar soil-plant analyses development (SPAD), growth index (GI), and total dry weight (TDW);; in Exp2 and Exp3, plants in BC mixes (80% or 90%) had lower GI and TDW. In conclusion, BC (<= 70%) amended with VC mixes could be used for container tomato and pepper production without negatively affecting plant growth, while BC (80%, 90%) mixes could have some negative impacts on plant growth.

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