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期刊

標題

Effect of Biochar on Growth, Photosynthetic Characteristics and Nutrient Distribution in Sugarcane

作者

Fen Liao, Liu Yang,Qiang Li,Jianjun Xue,Yangrui Li,Dongliang Huang, Litao Yang

名稱(期刊/節目)

Sugar Tech

期刊期數/節目集數

Volume 21, Issue 2, pp 289–295

出版單位

Springer India

出版年月日

April 2019

原文摘要

Continuous growing of exhaustive crops like sugarcane and imbalanced use of fertilizers would deplete the soil nutrients, degrade its health and ultimately restrict the crop growth. Biochar due to its unique nature can improve soil health, plant growth and nutrient distribution. The pot experiment was carried out with the biochar which derived from cassava straw additions of 0 t/ha (C0), 10 t/ha (C10) and 20 t/ha (C20), respectively. The biomass, green leaf number, leaf area, shoot/root ratio, photosynthetic characteristics and nitrogen, phosphorus and potassium nutrient contents were measured during sugarcane seedling, elongating and maturity stages to analyze the effect of biochar on sugarcane growth. The results showed that biochar application improved leaf biomass from 7.80 to 50.40%. However, biochar addition did not show a significant increase in sugarcane total biomass except form leaf biomass. Total biomass of sugarcane showed the coherent pattern of 0.20%, − 4.24% and 5.81% for C10 and 1.74%, 11.98% and − 1.83% for C20 at seedling, elongation and maturity stages, respectively. The accumulation of nitrogen, phosphorus and potassium contents in leaves, shoots and roots was significantly increased at seedling, elongation and maturity stage, respectively. Furthermore, maximum total nitrogen content (4.64%) for C10, total phosphorus content (11.47 g kg−1) and total potassium content (76.29 g kg−1) for C20 also were higher than those of control at elongation stage. Biochar application significantly increased net photosynthetic rate and decreased transpiration rate during all the growth stages. These findings not only lead us to know that biochar application has positive effect on sugarcane growth, photosynthetic characteristics and nutrients utilization, but also indicate that field trials for several growing cycles are needed to fully understand the effects of biochar on sugarcane growth.

原文摘要簡述

類似像甘蔗這種生長消耗性的作物,若肥料使用不平衡會耗盡土壤養分,降低土壤的健康並限制作物的生長。由於生物炭本身的獨特性質可以改善土壤健康,植物生長和養分分佈。利用樹薯稈生物炭進行盆栽試驗,以樹薯稈生物炭添加量分別為0噸/公頃(C0),10噸/公頃(C10)和20噸/公頃(C20)。在甘蔗的育苗期、延伸期及成熟期,測量各階段生物量、葉綠數、葉面積、枝/根比、光合特性以及氮、磷、鉀元素養分含量,分析生物炭對甘蔗生長的影響。研究結果顯示,施用生物炭將甘蔗的葉生物量從7.80%提高到50.40%。然而,添加生物炭後,除葉生物量外,甘蔗的總生物量並未顯著增加。在甘蔗生長過程(育苗期、延伸期及成熟期)的總生物量,C10分別為0.20%、-4.24%及5.81%,C20分別為1.74%、11.98%及-1.83%。在甘蔗生長過程(育苗期、延伸期及成熟期),其葉、莖(枝芽)和根中,氮、磷、鉀元素的累積量有顯著增加。除此之外,C10的最大總氮含量(4.64%),C20的總磷含量(11.47 g kg-1)和鉀的總含量(76.29 g kg-1)在延伸期也都高於對照組(C0)。在所有生長階段,施用生物炭會顯著提升光合作用淨速率,以及降低植物的蒸散率。這些研究發現不僅使我們知道施用生物炭對甘蔗的生長、光合特性和養分利用具有積極正面的作用,而且顯示需要進行幾個生長周期的田間試驗,才可以充分了解生物炭對甘蔗生長的影響。

關鍵字

Biochar, Sugarcane, Biomass, Nutrient, Photosynthetic rate

連結

https://link.springer.com/article/10.1007%2Fs12355-018-0663-6

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更新日期2024.03.29