Tuesday, August 10, 2010

有机农业的生态优势


英国伊斯特大学礼耶斯帝拉多(Reyes Tirado)和珍妮柯特儿( Janet Cotter)联合撰写的研究报告,认为有机农业是应对未来气候暖化的方案,因为有机农田的有机质高,保水和透气度好,生物多样性繁,具有更强的耐热效果。

农音鲜蔬有限公司董事欧俊强自制堆肥和使用朱国庆所制造的有机液体肥之后,满怀信心的说,最近的炎热气候虽然摧毁了许多菜园农作,但他的有机农田却不怕高温多雨。

他说,有机种植的好处,是可以增强作物的生长能力,改善作物生长环境,提高作物的抗逆性,对气候变化有更强的适应能力。

他说,种子商每次接到菜农投诉种子无法长苗,都将同一批种子移到他的菜园试验,结果别人不能种的种子却可以在他的有机菜田发芽,证明种子并没有问题。

有机农业虽然被我国菜农诟病,诋毁为“没有机会”的农业,但英国专家却认为,有机农民由于技术传统,对土壤和作物的认识普遍比化学农民高,而且掌握的技术具有实际种植效益,对品质和农作稳定性更有保障。

Monday, August 9, 2010

做个生态文明人

所谓生态文明,是人类文明的一种形式。它以尊重和维护生态环境为主旨,以可持续发展为根据,以未来人类的继续发展为着眼点。

  这种文明观强调人的自觉与自律,强调人与自然环境的相互依存、相互促进、共处共融。这种文明观同以往的农业文明、工业文明具有相同点,那就是它们都主张在改造自然的过程中发展物质生产力,不断提高人的物质生活水平。但它们之间也有着明显的不同点,即生态文明突出生态的重要,强调尊重和保护环境,强调人类在改造自然的同时必须尊重和爱护自然,而不能随心所欲,盲目蛮干,为所欲为。

  很显然,生态文明同物质文明与精神文明既有联系又有区别。说它们有联系,是因为生态文明既包含物质文明的内容,又包含精神文明的内容:生态文明并不是要求人们消极地对待自然,在自然面前无所作为,而是在把握自然规律的基础上积极地能动地利用自然,改造自然,使之更好地为人类服务,在这一点上,它是与物质文明一致的。

严酷的现实告诉我们,人与自然都是生态系统中不可或缺的重要组成部分。人与自然不存在统治与被统治、征服与被征服的关系,而是相互依存、和谐共处、共同促进的关系。人类的发展应该是人与社会、人与环境、当代人与后代人的协调发展。人类的发展不仅要讲究代内公平,而且要讲究代际之间的公平,亦即不能以当代人的利益为中心,甚至为了当代人的利益而不惜牺牲后代人的利益。而必须讲究生态文明,牢固树立起可持续发展的生态文明观。

Sunday, August 8, 2010

俄罗斯禁止谷物出口 全球小麦价大涨Wheat soars to limit on Russia export halt


截止到8月6日的一周里,全球小麦市场价格大幅上涨,主要原因是俄罗斯、黑海其它地区以及中欧地区遭受恶劣天气的破坏,其中俄罗斯政府本周晚些时候宣布禁止谷物出口,确保国内供应稳定,提振了国际小麦市场飙升。周四,美国芝加哥期货交易所(CBOT)软红冬小麦市场9月合约涨停,即上涨60美分,报收785.75美分/蒲式耳,这是自2008年8月29份以来的最高水平。

据俄罗斯总理表示,由于俄罗斯遭受严重干旱和林火的破坏,政府将禁止小麦、玉米、大麦、黑麦和面粉出口,同时将受灾农户提供近12亿美元的援助资金。政府将从八月十五日开始禁止小麦、玉米、大麦、黑麦和面粉出口,这项禁令将维持到年底。有销售合同的贸易商只能在8月15日之前装运谷物。

荷兰合作银行分析师表示,今年俄罗斯可能面临产量不足的局面。俄罗斯必须依赖库存来满足国内小麦需求。随着小麦作物状况继续恶化,俄罗斯可能从乌克兰进口饲粮。

http://www.cngrain.com/Publish/news/201008/459021.shtml

Manitoba (Reuters) - Chicago wheat futures soared on Thursday, settling up the permitted daily maximum for the first time in two years after No. 3 exporter Russia said it would temporarily halt grain shipments.

Russia's worst drought on record has devastated crops in parts of the country and caused international grain prices to spike as markets placed bets that without shipments from one of the world's leading exporters, global supplies would be restricted.

Prime Minister Vladimir Putin signed an order banning grain and flour exports from August 15 to December 31, with a spokesman saying this would apply to contracts that had been already signed. The news confirmed an earlier report from Interfax that kicked off the buying.

http://www.reuters.com/article/idUSTRE6742QQ20100805

Ecological Farming: Drought-Resistant Agriculture 生态农法:抗旱农业


Authors作者: Reyes Tirado and Janet Cotter

Greenpeace Research Laboratories

University of Exeter, UK

Summary 总结

Human-induced climate change is resulting in less and more erratic rainfall, especially in regions where food security is very low. The poor in rural and dry areas will suffer the most and will require cheap and accessible strategies to adapt to erratic weather. This adaptation will need to take into account not only less water and droughts, but also the increased chance of extreme events like floods.

雨水反复无常,是人类感应到气候变化的因缘,尤其是在食物保护非常低的国家。郊区和干旱地区的贫民受气候变化打击最严重,而必须寻求低价和可能获得的技术去适应气候的反复无常。在寻索技术的时候,还必须考虑减少用水和应对干旱,但也不能忽略诸如水灾等几率更多的灾变。

Biodiversity and a healthy soil are central to ecological approaches to making farming more drought-resistant and more resilient to extreme events. Resilience is the capacity to deal with change and recover after it. Practices that make soils better able to hold soil moisture and reduce erosion and that increase biodiversity in the system help in making farm production and income more resilient and stable.

生物多样性和健康的土壤是走入抗旱农业的核心生态。抗防是应变和灾后复原的能力,改善土壤可以提高保水和减低土壤侵蚀,系统内增加生态多样性可稳定农田的产量与收入。

Building a healthy soil is a crucial element in helping farms cope with drought. There are many proven practices available to farmers right now to help build healthy soils. Cover crops and crop residues that protect soils from wind and water erosion, and legume intercrops, manure and composts that build soil rich in organic matter, enhancing soil structure, are all ways to help increase water infiltration, hold water once it gets there, and make nutrients more accessible to the plant.

打造健康的土壤是抗旱的紧要因素。目前已有许多经过验证的农耕法可以建立健康土壤,即如覆盖作物和作物回田可以保护土壤侵蚀和遭受风袭,作物交栽,粪便与堆肥即可丰富土壤有机质,改善土壤结构,都是协助增加水渗透,保水并使营养运输更容易。

In order to feed humanity and secure ecological resilience it is essential to increase productivity in rain-fed areas where poor farmers implement current know-how on water and soil conservation. Ecological farms that work with biodiversity and are knowledge-intensive rather than chemical input-intensive might be the most resilient options under a drier and more erratic climate.

为了供养人类和保护生态的永续性,在贫穷农民仍延用传统知识保护水源和土壤的地区增加产能是无可厚非的,以生态多样性进行作业的生态农田,在技术上比化学密集的农场更加强调知识集中,也可能是多旱多变气候,具有弹性的最佳选择。

In addition to the ecological farming methods described above, continued breeding of crop varieties that can withstand drought stresses and still produce a reliable yield is needed. Many new drought-tolerant seeds are being developed using advanced conventional breeding, without the need of genetic engineering. There are already examples of drought-resistant soybean, maize, wheat and rice varieties that farmers could start taking advantage of right now. On the other hand, genetic engineering technology is not well suited for developing drought-resistant seeds.

为了加强上述生态农耕法,继续培育抗旱与产量稳定的品种是必需的,许多抗旱品种是以传统培育法进行开发,而无需基因工程的参与。目前已有许多例子证明具有抗旱特性的黄豆、玉米、麦类和米的品种是农民可以选用的,此外基因工程也不适合开发抗旱种子。

Drought tolerance is a complex trait, often involving the interaction of many genes, and thus beyond the capability of a rudimentary technology based on high expression of few well characterised genes. There is no evidence that genetically engineered (GE) crops can play a role in increasing food security under a changing climate.

抗旱是复杂的特性,经常涉及许多基因的互动,因此超越了只能了解少量特征良好的基因之高反应,知识与能力皆处于初阶的科技。目前没有证据显示基因工程品种可以在气候变化的环境中扮演增产的角色。

Above is the report’s summary. The full report can be downloaded at 以上为被告的总结,全篇报告可以浏览下列网址:http://www.greenpeace.org/international/en/publications/reports/Ecological-farming-Drought-resistant-agriculture/

THIRD WORLD NETWORK INFORMATION SERVICE ON SUSTAINABLE AGRICULTURE

汽車的空調----必讀!!

以下是一个广泛流传的电邮信息!
“怪不得比起從前,有越來越多鄉親死於癌症,在我們都還不清楚癌症是從哪兒來之際,有個實例顯示出許多癌症都是意外發生的。嗯,許多人早上第一件事和晚上最後一件事都是待在汽車裡,一周7天。當我讀到這個,感到又難過又愧疚。請盡可能地把這訊息傳給大家,希望還來得及做些改變。
進入車內不要馬上打開空調,先打開車窗通風幾分鐘,才打開空調。
以下是原因:
根據研究,汽車的儀表板。沙發。空氣濾清器會釋放“苯”,產生毒素而致癌。
(致癌物質——花一點時間去觀察你的車里的塑膠製品高溫時產生的氣味。)
除了致癌之外,”苯“還會侵蝕我們的骨骼,造成貧血和降低白血球數量。長期曝露其中會導致白血病,大大增加罹癌的風險,也可能導致流產。
苯”每平方英尺的可接受水平為50毫克。若停車在室內又窗戶緊閉,則產生400-800毫克的“苯”。
若停在戶外大太陽下溫度超過 60 ℉ ( 15.5 ℃ ),“苯”就上升至2000-4000毫克,超出允許量的40倍!
人們只要進入車內而又車窗緊閉,將會無法避免快速連續地吸入過量的毒素。
“苯”是那種會影響你的腎臟和肝臟的毒素,更糟糕的是,你的身體想把這種有毒物質排擠出去是極度困難的。
所以朋友們,進入汽車之前,請把你車子的門窗打開,給點時間讓車內的空氣--致命的東西排出。

Friday, August 6, 2010

Impact of Climate Change To Vegetables in Hulu Yam


Over the year, we had talks a lot on the impact of climate change towards vegetable production but very few people can understand what we means.

In May 2010, the hot weather plus heavy rain in the afternoon had damage most of the leafy vegetable in Hulu Yam, product reduce by more than 50%. It struck the market so much that most leafy vegetable wholesalers can not reach their supply, some even faced big financial difficulties in the month, retail price of leafy vegetable shot up to RM4.00-5.00/kg from RM2.00/kg due to shortages.

Vegetables don’t grow on that particular month is because all the vegetables had been heated by very hot sun light, and the soil is hot too. When it rain in the afternoon, the rain water is heated by the hot soil and “cooked” the vegetables. Most vegetables can not adapt to the rapid weather changes and “rotten”.

We later found out this similar weather situation also struck the cabbages of Cameron Highlands, the green chili of Perak and the red chili of Jahor, we belief more crops should had been affected.

We later visited a farm in Senai, saw 110 acres of red chili in bad shape with very low production but no disease found.

In principles “greater concentrations of CO2 generally result in higher photosynthesis rates and may also reduce water losses from plants. Photosynthesis is enhanced when additional carbon is available for assimilation and so crop yields generally rise”.

But it doesn’t apply to the crops in the month of May 2010 in Malaysia, it had over the limit of crop’s growth habit.

The impact of climate warming had changed our strategy to build the green house for organic and sustainable farming. Mr Choo Kok Hing, the Managing Director of Hulu Yam Fresh Sdn Bhd, suggested fixing ventilation system to reduce heat in the house, we estimate the temperature inside the green house is above 5 °C higher than outside.

Electricity supply must be connected for the system to works, hence we had to delay the project

(wrote on 6/08/2010)


图瓦卢没有蔬菜的病难


位于南太平洋的图瓦卢群岛(Tuvalu),分布在夏威夷与澳大利亚之间130万平方公里的赤道海域上,是世界人口第二少的国家(仅次于梵蒂冈)。

该国陆地遭遇大灾之后,唯一的种植区被淹没,农业生产困难,几乎100%的食物都要依靠进口。加上贫困,使当地居民健康状况极为糟糕。

食品可以通过货轮运到图瓦卢,从斐济的苏瓦到这里需要3~5天,但这里地处赤道附近,常年高温,所以蔬菜不可能通过货轮运进来,只能通过空运,但空运费用都要好几十美元一公斤,当地人消费不起,连很容易变质的蔬菜也极为珍贵。

因此无论大小餐馆,全是纯肉类食品——烧鸡饭就只有烧鸡和米饭、咖喱牛肉也只有咖喱和牛肉,连一根青菜都没有。长期以肉类作为主食而没有青菜,导致居民太过肥胖,常常发生心肌梗塞,很多人都是猝死的。凡是超过30岁的男女,几乎都是“肥胖症”患者,轻的有100公斤、重的超过200公斤。当地人由于长期缺乏蔬菜调节营养,在三、四十岁的时普遍患上脂肪肝、高血压、高血脂、心脏病等疾病,平均寿命不到50岁。

(根据图瓦卢官方资料,年龄达或超过65岁者,只有 5.1%,参考http://www.tuvaluislands.com/about.htm)

http://www.hudong.com/wiki/%E5%9B%BE%E7%93%A6%E5%8D%A2

http://yxk.cn.yahoo.com/articles/20091202/1bt9_3.html


第一个气候暖化的受害国

由于地势极低,温室效应造成的海平面上升对图瓦卢造成非常严重的威胁。从1993年迄2009年的16年间,图瓦卢的海平面总共上升了9.12厘米,按照 这个数字推算,50年之后,海平面将上升37.6厘米,这意味着图瓦卢至少将有60%的国土彻底沉入海中。海平面上升已经迫使不少居民从2002年起搬迁到新西兰。图瓦卢将成为世界上第一个因气候灾难举国搬迁的国家。