Alley cropping and analog forests for soil conservation in the dry uplands of Sri Lanka

The use of contour hedgerows of woody legumes to control soil erosion has been promoted amongst smallholders in the Upper Mahaweli catchment of Sri Lanka since 1988. The success of this program depends greatly on the properties of the different production systems occupying the alleys created by these hedgerows such as: profitability, time taken for profit to be realized, labour requirements, seasonal distribution of labour, environmental and economic stability, biophysical sustainability, the contribution of the system to the domestic needs of the farm family, adoptability of the system and successful management of the hedgerows. These properties were used to evaluate seven desktop farm models with different combinations of: seasonal crops, coffee-pepper intercrop, fodder-dairy, woodlot, and analog forest established in the alleys. The analog forest is a perennial polyculture which, like the traditional forest garden, is structurally and functionally analogous to the natural forest. It was found that a model with 40% seasonal crops, 20% perennial crops (coffee-pepper) and 40% analog forest made the best compromise between the properties under consideration. It is recognized that the socio-economic conditions that determine the appropriateness of this model in the Sri Lankan context are not universal and the extension of the analog forest concept into other tropical uplands is discussed.     

"基因蓝"草栽培技术与应用

“基因蓝”草具有很强的耐寒性、耐旱性、耐瘠薄性和耐盐碱性,是一种新型地被植物。作者在试验观察的基础上,分析了“基因蓝”草的生物学特性、栽培技术和园林应用。为“基因蓝”草的推广提供基础依据。     

基于网络的智能家居服务器研究

研究了实现智能住宅的核心智能家居服务器的必要功能及实现方法，并对家居服务器的整体构成及各具体功能模块的实现进行了详细论述。     

美国家庭园艺相关行业概况

美国家庭园艺市场繁荣,而家庭园艺也逐渐走进我国居民的日常生活。介绍与美国家庭园艺发展相关的若干行业的概况,以期为我国新兴的家庭园艺市场的进一步发展提供参考。     

垂枝樱花的观赏特性及其园林应用研究

为挖掘垂枝樱花的美学和观赏价值,使其在园林中得到更广泛的应用,以垂枝樱花为研究材料,分析其花色、叶型、树型美感等观赏特性;总结垂枝樱花在园林中的孤植、丛植、列植、群植等主要种植方式的特点;此外,还阐述垂枝樱花与园林建筑、水体、山石、园路、地形以及其他园林植物等的配置方法与原则。此项研究将为垂枝樱花在引种驯化、园林生态功能和景观效果的发挥等多个方面提供理论和实践依据。     

湖南省山茶属红山茶组植物园林应用初探

湖南省山茶属红山组植物种类较多,共13种1变种,约占国产数的23.6%,居全国第二,仅次于四川省.笔者在实地调查和查阅大量文献的基础上认为其为优良的乡土木本花卉,观赏价值高,园林应用前景广阔,值得大力推广.在此基础上,笔者对其园林应用进行了初步探讨.     

大山雀巢区,雏鸟生长和种群生物生产量

1987～1989年在浙江省江山市西山对大山雀进行巢区、雏鸟生长和繁殖种群生物生产量的研究。1987～1989年大山雀平均繁殖密度为0.463只/hm~2,巢区面积0.129hm~2。刚孵出雏鸟体长29.40mm,体重1.22g.双亲育雏,每天73～117次,育雏期16～17d,雏鸟日体重增长0.95g(0.21～1.61g,N=155),8日龄最高可达1.61g。离巢幼鸟体重为刚孵出时的11.4倍,体长为2.9倍。根据Ricklefs方程,增长率K为0.412,t_(10～90)为10.9d,拐点6.74d,渐近线13.78g,方程式为W=13.78/1 e~(-0.412(t-6.74))。雏鸟干重与鲜重关系式为W_d=0.146W_f~(1.257),体长与体重关系式为L=25.128 3.775W.每枚卵体积为1452.78mm~3。1987～1989年产卵与雏鸟生长的总生物生产量分别为0.76492kg/km~2和2.99990kg/km~2,均比吉林省为低。本文对影响生物生产量的原因也进行了讨论。     

荆州市城区桂花品种资源调查及园林用途评价

列出了荆州市城区桂花品种资源4个品种群29种，并对其园林用途进行了评价。     

基于Citespace的我国“森林人家”研究进展分析

随着乡村振兴战略的提出,乡村旅游迈入高热期,森林旅游作为乡村旅游不可缺少的一部分,也成为相关行业关注的重点。该文运用Citespace软件,以CNKI收录的文献为数据库进行内容分析,梳理我国"森林人家"的研究方向分类、研究历程、研究热点等,总结其现状以及存在的问题,并提出相应的对策与建议。     

The Effect of Eating Sea Cucumber Jelly on Candida Load in the Oral Cavity of Elderly Individuals in a Nursing Home

We conducted a double-blind randomized controlled study of elderly individuals in a nursing home to investigate the effect of the consumption of jelly containing sea cucumber on their oral Candida load. The jelly contained a hydrolysate of the sea cucumber Stichopus japonicus, which contained triterpene glycosides called holotoxins. The holotoxins worked as a fungicide, and their minimum inhibitory concentrations for Candida albicans were 7 µg/mL. Eight individuals in the nursing home took the sea cucumber jelly for a week and their oral Candida were counted before and after the intervention. Nine individuals took a control jelly without S. japonicus. The sea cucumber jelly showed inhibitory effects on the oral Candida. Thus, daily consumption of the S. japonicus jelly has the potential to reduce the oral Candida load in the elderly in nursing homes.