Results 11 to 20 of about 141 (106)

Influence Mechanism of Ionic Interface Reaction on Soil Porosity [PDF]

open access: yes, 2023
[Objective] The changes in surface charge properties of soil particles and the net force between particles were analyzed, in order to elucidate the influence mechanism of particle interaction on pore conditions.
Ding Wuquan   +3 more
core   +1 more source

Utilization Potential of Water Resources in Check Dams in Gansu Province [PDF]

open access: yes, 2022
[Objective] The potential of check dams to retain silt and utilize water resources were analyzed in order to provide a basis for water resource utilization and management of check dams.
Jin Feng   +5 more
core   +1 more source

Analysis of differences in physicochemical properties and bacterial community characteristics of rhizosphere soil in apple orchards under different cover treatments [PDF]

open access: yes
[Objective] Cover cropping is a widely adopted soil management technique used in fruit tree cultivation. By planting specific vegetation to cover the ground, this practice significantly influences nutrient cycling, microbial activity, and biodiversity ...
CAI Rongjing   +10 more
core   +1 more source

Evaluation of the Effectiveness of Soil Improvement Measures in Apple Orchards on the Loess Plateau: A Meta-Analysis [PDF]

open access: yes
[Objective] Soil acidification, structure and fertility degradation and poor water-holding capacities are common problems in the apple orchard on the Loess Plateau, effective soil improvement techniques are crucial for enhancing soil quality, and ...
DUAN Shunxia   +3 more
core   +1 more source

Soil Hydrothermal Characteristics of Orchard Based on Leaf Area Index Coupled with STEMMUS Model [PDF]

open access: yes
[Objective] As a key parameter in the simulation study of ecosystem water cycle process, rapid dynamic simulation of leaf area index (LAI) can solve the limitation that the coupled soil water-vapor-heat-air model STEMMUS (simultaneous transfer of energy,
GAO Xiaodong   +3 more
core   +1 more source

Effects of mating habits of Carposina sasakii on reproduction [PDF]

open access: yes
[Objective] This study aimed to investigate the effects of male multiple mating and female delayed mating on the reproductive capacity of Carposina sasakii (Lepidoptera: Carposinidae), in order to provide scientific evidence for evaluating the efficacy ...
JIANG Yihao, WANG Xueli, ZHANG Jinyong
core   +1 more source

Guan Lu's biography and literature creation [PDF]

open access: yes, 2011
学术界对关露的关注度较少,关露作为一个三十年代献身于革命事业,至死不渝的革命作家,她的诗歌曾鼓励了一大批的人走上革命道路,关露不仅是一个诗人,还是一个小说家,散文家。本文从关露生平事迹、诗歌写作、小说写作及其它文体写作等几方面入手探讨关露思想观点,力争对关露做一个相对全面、系统的介绍和评述。全文简介如下: 绪论:阐释将关露作为选题对象的原因并介绍当前关于关露的研究现状,梳理这些研究成果的进展和欠缺,在此基础上,阐明本文研究的价值与意义。 第一章:主要探究关露成长过程中受到的思想启蒙和影响 ...
魏丽
core  

苹果源流考 [PDF]

open access: yes, 2014
苹果是我国一种古老的果树,迄今已有2000多年的栽培史,但是人们很少注意在不同的时期,苹果有不同的品种和名称。早期栽培的苹果品种主要是原产我国新疆西部的种类,古人称之为柰和林檎,其中林檎是比较受欢迎的种类。唐以后又增加了楸子、频婆果、海红等种类。频婆果可能是原产新疆的红肉苹果,其名称来源于佛经,它是元代以后人们喜爱的种类,并被简称为"苹果"。19世纪下半叶以来,我国栽培的主要是从西方引进的品种,虽然仍叫苹果,但与历史上的苹果差别很大。与此同时,柰、林檎等名称也逐渐为人们所遗忘。由此案例研究可看出 ...
罗桂环
core  

Breeding report of a native early-maturing apple variety Xialimeng in Xinjiang [PDF]

open access: yes
Xialimeng is a native cold-resistant and early-maturing variety in Yili Prefecture, the Xinjiang Uygur Autonomous Region, but its parents are unknown. It has been cultivated in Yili River basin, Tacheng, Changji and other areas for decades.
BAO Anming   +7 more
core   +1 more source

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