نتایج جستجو برای: stands

تعداد نتایج: 21645  

Journal: :Kansas Agricultural Experiment Station Research Reports 1974

Journal: :Frontiers in forests and global change 2023

EDITORIAL article Front. For. Glob. Change, 05 June 2023Sec. Forest Management Volume 6 - 2023 | https://doi.org/10.3389/ffgc.2023.1208267

2002
J. Steven Meadows

INTRODUCTION Silviculture for the production of high-quality timber in southern bottomland hardwood forests involves the application of environmentally sound practices in order to enhance the growth and quality of both individual trees and stands. To accomplish this purpose, silvicultural practices are typically used to regulate stand density, species composition, and stem quality to promote th...

2016
Yunqi Wang Yinghua Zhang Wei Ji Peng Yu Bin Wang Jinpeng Li Meikun Han Xuexin Xu Zhimin Wang

The effects of cultivar mixture cropping on yield, biomass, and water use efficiency (WUE) in winter wheat (Triticum aestivum L.) were investigated under non-irrigation (W0, no irrigation during growth stage), one time irrigation (W1, irrigation applied at stem elongation) and two times irrigation (W2, irrigation applied at stem elongation and anthesis) conditions. Nearly 90% of cultivar mixtur...

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