نتایج جستجو برای: lawn quality

تعداد نتایج: 754245  

Journal: :The Lancet 2016

Journal: :Environment and Planning E: Nature and Space 2019

Journal: :Monthly Weather Review 1918

Journal: :The Lancet 1884

Journal: :Sotsiologicheskoe Obozrenie / Russian Sociological Review 2018

2006
Michael Gregg Eric M. Schwartz Antonio A. Arroyo

This robot is designed to test the practicality of constructing an autonomous lawn care system. It will also allow experimentation with several technologies and help to investigate their practical applications. The first prototype of this platform will use an RF emitting wire as a containment field, random walk programming to control obstacle and field limit boundary reactions, and a linear mot...

Journal: :علوم باغبانی 0
فریده شیخ مرادی عیسی ارجی اکبر اسماعیلی وحید عبدوسی

abstract water deficit and consecutive droughts have lead to drought stress in most parts of the world recently. we need prepare a good program to use better available water. different material can be used to increase water use efficiency. super absorbent is one of the materials used around the world. these materials absorb water in the soil so that reserved water is usable by plant in the time...

2015
Huatian Wang Yumei Zhou Yang Chen Quanxi Wang Lifen Jiang Yiqi Luo

Plantago virginica L. has invaded many lawn ecosystems in the Eastern part of China. The invasion has incurred an economic cost to remove them. In order to prevent the invasion, it is critical to understand the invasive mechanisms of this species. However, few studies have been conducted on the allelopathic mechanisms of its invasion. In this study, we examined allelopathic effects of P. virgin...

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