Higher diversity and contribution of soil arbuscular mycorrhizal fungi at an optimal P-input level

丛枝菌根真菌 多样性(政治) 真菌多样性 丛枝菌根 农学 生物 数学 环境科学 农林复合经营 植物 共生 园艺 社会学 细菌 古生物学 接种 人类学
作者
Zihao Liu,Minghui Li,Junbo Liu,Junhua Wang,Xiangui Lin,Junli Hu
出处
期刊:Agriculture, Ecosystems & Environment [Elsevier]
卷期号:337: 108053-108053 被引量:9
标识
DOI:10.1016/j.agee.2022.108053
摘要

As not only an indicator but also key determinants of soil health, the performance of arbuscular mycorrhizal (AM) fungi under intensive cropping systems remains incompletely understood, particularly with regard to quantitative contributions to crop phosphorus (P) acquisition and scientific managements of P-input levels. Here, we firstly investigated the diversity and vitality of AM fungi along with decreasing P-input levels from P100 (local regular rate) to P50 (50 % off) in a greenhouse experiment to explore the optimal P-input level, and further determined the apparent contribution of AM fungi to maize ( Zea mays L.) P acquisition at optimal level in a field microplot experiment with root mycorrhization inhibition by benomyl application and in another pot experiment upon AM fungal inoculation in a sterilized soil. Decreasing P input decreased the amount but increased the efficiency of plant P acquisition, and increased the diversity and colonization of AM fungi, in addition to shaping the community composition. Notably, P80 (20 % off) appeared to be an optimal level that balanced mycorrhizal vitality, maize growth and P-acquisition efficiency. The apparent contribution of AM fungi to maize P acquisition determined in both field and pot experiments were approximately 36 % and 21 % at P80 and P100, respectively, while grain yields at P80 with mycorrhizae reached the level equivalent to that of P100 without mycorrhizae, indicating a replacement of 20 % of P fertilizers by adequate mycorrhizal management. It highlights that stronger AM associations by optimizing P input allow for relatively high crop P-acquisition efficiency upon high mycorrhizal benefits, favoring agricultural production in a sustainable manner with reduced dependence on inputs. • Reduced P-input decreased the amount but increased the efficiency of P-acquisition. • Higher diversity and colonization of AM fungi respond to decreasing P-input levels. • P80 appeared to be optimal to balance the mycorrhizal vitality and the maize yield. • The apparent contribution of AM fungi to maize P-acquisition was about 36 % at P80. • Partial replacement of P fertilizers by exploring AM fungal function was achieved.

科研通智能强力驱动
Strongly Powered by AbleSci AI
更新
大幅提高文件上传限制,最高150M (2024-4-1)

科研通是完全免费的文献互助平台,具备全网最快的应助速度,最高的求助完成率。 对每一个文献求助,科研通都将尽心尽力,给求助人一个满意的交代。
实时播报
小巧怀薇完成签到,获得积分10
1秒前
汉堡包应助whylkf采纳,获得10
1秒前
瘦瘦山灵完成签到,获得积分10
2秒前
Marcus发布了新的文献求助10
3秒前
鄢廷芮完成签到 ,获得积分10
3秒前
yy关注了科研通微信公众号
4秒前
YANYAN完成签到,获得积分10
4秒前
伶俐的雁蓉完成签到,获得积分10
4秒前
5秒前
siyuyu完成签到,获得积分10
5秒前
木子发布了新的文献求助10
5秒前
优雅惜雪发布了新的文献求助10
6秒前
6秒前
lui524完成签到,获得积分10
8秒前
8秒前
9秒前
光脚小妖完成签到,获得积分10
10秒前
充电宝应助洋洋采纳,获得10
11秒前
大个应助chenchen采纳,获得10
12秒前
12秒前
13秒前
13秒前
嘿嘿嘿发布了新的文献求助10
13秒前
13秒前
15秒前
16秒前
大爷醒醒啊完成签到,获得积分10
16秒前
17秒前
18秒前
19秒前
蔡雨岑发布了新的文献求助10
20秒前
20秒前
20秒前
20秒前
20秒前
yy发布了新的文献求助10
21秒前
mm完成签到,获得积分10
21秒前
落寞的凝安完成签到,获得积分10
21秒前
22秒前
洋洋发布了新的文献求助10
22秒前
高分求助中
Spray / Wall-interaction Modelling by Dimensionless Data Analysis 2000
Evolution 3rd edition 1500
Mantiden: Faszinierende Lauerjäger Faszinierende Lauerjäger 700
PraxisRatgeber: Mantiden: Faszinierende Lauerjäger 700
ALA生合成不全マウスでの糖代謝異常の分子機構解析 520
Mathematics and Finite Element Discretizations of Incompressible Navier—Stokes Flows 500
A new species of Coccus (Homoptera: Coccoidea) from Malawi 500
热门求助领域 (近24小时)
化学 医学 生物 材料科学 工程类 有机化学 生物化学 物理 内科学 纳米技术 计算机科学 化学工程 复合材料 基因 遗传学 催化作用 物理化学 免疫学 量子力学 细胞生物学
热门帖子
关注 科研通微信公众号,转发送积分 3187521
求助须知:如何正确求助?哪些是违规求助? 2837354
关于积分的说明 8014541
捐赠科研通 2499980
什么是DOI,文献DOI怎么找? 1334671
科研通“疑难数据库(出版商)”最低求助积分说明 637231
邀请新用户注册赠送积分活动 605199