生物炭和GA₃对定义干旱和盐度压力下的玉米生长的影响,在基于的因数实验中

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¹Shaanxi Agricultural Development Group Co., Ltd., Yulin Branch, Yulin, China.

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概括

生物炭 (BC) 和甲酸 (GA3) 在干旱和盐度压力下改善了玉米的发芽和生长. 联合应用显示了作物弹性最显著的好处.

科学领域:

农业科学农业科学
植物生理学植物生理学
环境科学环境科学

背景情况:

玉米 (Zea mays L.) 的生产力受到干旱和度等非生物压力的威胁.
生物炭 (BC) 和甲酸 (GA3) 是潜在的可持续解决方案.
关于它们在受控压力条件下的联合作用的数据有限.

研究的目的:

评估BC和GA3在干旱和盐度压力下对玉米的单独和联合影响.
评估对发芽,幼苗生长,生物质和叶绿素含量的影响.

主要方法:

在完全随机设计下,使用每10公斤土壤进行了一次实验.
玉米遭受干旱 (40%的田地容量) 和两个盐度水平 (中等:2.41dS m-1;高:6dS m-1).
治疗包括BC,GA3,结合BC+GA3,以及对照组.

主要成果:

在干旱的情况下,BC + GA3改善了发芽 (79%),射长 (5.93厘米),根长 (5.43厘米) 和生物量.
在中度盐度下,BC + GA3增强了发芽 (82%),长度 (22.83厘米),干重 (0.989克) 的射出.
与对照组相比,在中度盐度下,受治疗的植物中含量仍然比对照组高20-35%.

结论:

在干旱和中等盐度压力下,BC和GA3的联合应用有效地增强了玉米发芽,生物质和叶绿素保留.
这些发现表明BC和GA3有可能提高玉米对非生物压力的弹性.
推实地验证用于实际的农业应用.

关键词:

生物炭是一种生物炭.干旱造成的压力是干旱.吉伯雷利酸是指的酸.玉米的弹性玉米的弹性盐度压力是一种盐度压力.可持续的生物技术可持续的生物技术

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