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
翠花发布了新的文献求助10
1秒前
1秒前
1秒前
2秒前
4秒前
wangzhaorui完成签到,获得积分10
6秒前
6秒前
6秒前
1234发布了新的文献求助10
7秒前
Wang发布了新的文献求助10
7秒前
小文子发布了新的文献求助10
7秒前
8秒前
8秒前
hqn发布了新的文献求助10
8秒前
APRIL_SKY完成签到,获得积分10
8秒前
yny发布了新的文献求助10
9秒前
欣喜的手机完成签到,获得积分10
9秒前
9秒前
wangzhaorui发布了新的文献求助10
10秒前
小宏完成签到,获得积分10
10秒前
满意的天完成签到,获得积分10
10秒前
天天快乐应助LXY采纳,获得10
11秒前
chinh完成签到,获得积分10
11秒前
dabaitu完成签到,获得积分10
13秒前
调研昵称发布了新的文献求助30
13秒前
谦让一鸣完成签到,获得积分20
13秒前
云出发布了新的文献求助10
14秒前
武映易完成签到 ,获得积分10
14秒前
山海之间完成签到,获得积分10
14秒前
想发顶刊的牛马关注了科研通微信公众号
14秒前
simple完成签到,获得积分10
15秒前
英俊梦槐发布了新的文献求助10
16秒前
yny完成签到,获得积分10
16秒前
healer发布了新的文献求助10
17秒前
yoga完成签到,获得积分10
18秒前
19秒前
宋书白完成签到,获得积分10
19秒前
调研昵称发布了新的文献求助30
20秒前
科研通AI2S应助vonfenson采纳,获得10
20秒前
暮霭沉沉应助vonfenson采纳,获得10
20秒前
高分求助中
Evolution 3rd edition 1500
保险藏宝图 1000
Lire en communiste 1000
Mantiden: Faszinierende Lauerjäger Faszinierende Lauerjäger 700
PraxisRatgeber: Mantiden: Faszinierende Lauerjäger 700
A new species of Coccus (Homoptera: Coccoidea) from Malawi 500
2-Acetyl-1-pyrroline: an important aroma component of cooked rice 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 3181753
求助须知:如何正确求助?哪些是违规求助? 2832076
关于积分的说明 7987660
捐赠科研通 2493961
什么是DOI,文献DOI怎么找? 1330560
科研通“疑难数据库(出版商)”最低求助积分说明 635984
版权声明 602955