W*****B
发帖数: 4796 | 1 Preface
If any of the following events should occur:
a peak oil crisis or a World War that results in a significant reduction in
the transportation of food, or
commercial fertilizer becomes scarce or extremely expensive, or
unemployment increases significantly and many families are forced to grow
their own vegetables, or
there is a local, national, or worldwide famine,
then the following information would be extremely valuable to everyone who
has a vegetable garden. The following information wou... 阅读全帖 |
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f*1
发帖数: 837 | 2 Yes, there are the Take-All Root Rot and the Pythium Root Rot, both can
happen to warm season grass like centipedegrass.
One thing you can try is to ask your nearest Cooperative Extension Service
Office to identify the disease. You can start from here:
http://www.csrees.usda.gov/Extension/
I suggest you search for "centipede maintenance" and read articles from the
.edu domain. This way, you'll have a very good idea about what you should
and shouldn't do to centigedegrass, which is kind of diff... 阅读全帖 |
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N****s
发帖数: 645 | 3 Glad to help, if you want to read.
[edit] Singles championshipsFederer has won 17 Grand Slam titles, breaking
the previous all-time men's record of 14 by Pete Sampras. Federer won 17
Majors in a span of 37 Majors (2003 Wimbledon – 2012 Wimbledon championship
), while Sampras won 14 in 49 majors (1990 US Open – 2002 US Open).[1]
Federer is sixth on all-time Grand Slam singles list, preceded by Steffi
Graf (22), Martina Navratilova (18), Chris Evert (18), Margaret Court (24),
and Helen Moody (19) ... 阅读全帖 |
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l**7
发帖数: 3940 | 4 Na Li
Her nationality is China.
She is currently #6 in the world rankings and She is #6 in the official
world rankings.
She is 31 years old.
She will play against Halep in Wimbledon (-Round 64-) on grass court
She has played 7 times in this tournament before and the last time was last
year. Li played in the quarter final in this tournament in 2010 and played
in the second round in 2011 and again played in the second round in 2012
She has played 21 matches in this tournament and she has won 14 of... 阅读全帖 |
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f*1
发帖数: 837 | 5 Check this first and see if you can find something useful:
http://www.mitbbs.com/article_t/gardening/31975559.html
However, the grass there is Bermudagrass (a warm season grass), and the ones
you showed is Kentucky Bluegrass (a cool season grass).
I suspect the brown grass is killed by the winter cold or some fungus. It
is yet to be seen whether the whole grass is killed, or only the top is
affected in which case the grass will re-grow from below. The already brown
part won't become green agai... 阅读全帖 |
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t******n
发帖数: 2939 | 6 ☆─────────────────────────────────────☆
mdmx (没大没小) 于 (Fri May 24 12:06:50 2013, 美东) 提到:
文史类ID: dangran, daigaku, czjn, carbon, susuw, bostontennis, bluemonkeyz,
luobo(self-requested), bigjoker(self-requested)
理工类ID: I63, devilphoenix, powerforward, jesseq, firearasi, ZZidane, Alife
, logic98, thinkhard, nikeman, mdmx
学艺不精之理工类ID: xiongpy
发帖不多的我没有统计，因为至少说明他们不关心此话题或对自己的结论不够确定。
其余的可对号入座。欢迎补充。如有错误，可以拍砖。
☆─────────────────────────────────────☆
CleverBeaver (我不是Otter) 于 (Fri May 24 12:09:49 2... 阅读全帖 |
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D*****r
发帖数: 6791 | 7 http://www.gutenberg.org/files/37726/37726-h/37726-h.htm
IN GOD'S WAY
SCHOOL-DAYS
I.
In the melting snow on the hill-side by the sea, in the last rays of the
evening sun, stood a boy of fourteen, awestruck. He looked toward the west,
out across the sea; he looked toward the east, over town and shore and the
broad hills; in the background still higher peaks rose far away in the clear
sky.
The storm had lasted a long time; it had been more terrible, too, than any
the old people could remember. In ... 阅读全帖 |
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j*****g
发帖数: 463 | 8 看看万能的上帝对我们吃饱折腾草地的看法吧。。。
唯一的区别是现在不 bag clippings 啦.
张老大
GOD's take on Lawn Care
http://www.comptechdoc.org/humor/garden/
GOD: Francis, you know all about gardens and nature. What in the world is
going on down there? What happened to the dandelions, violets, thistle and
stuff I started eons ago? I had a perfect, no-maintenance garden plan. Those
plants grow in any type of soil, withstand drought and multiply with
abandon. The nectar from the long lasting blossoms attracts butterflies,
honey bees a... 阅读全帖 |
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f****i
发帖数: 20252 | 9 just google it
http://www.hgtv.com/landscaping/caring-for-your-lawn-in-fall-an
Adjust cutting height. Cut your grass higher, especially during fall and
winter months. Generally speaking, a grass root system grows about as deep
as the grass blades are tall, and a deeper root system always results in a
healthier lawn. It's never too late to let the grass grow taller. Raise the
deck height of your mower each time you mow until you reach the desired
height, which should be at least two inches for wa... 阅读全帖 |
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l*****o
发帖数: 26631 | 10 第一次看到的时候笑死我了
GOD: St. Francis, you know all about gardens and nature. What in the world
is going on down there in the USA? What happened to the dandelions, violets,
thistle and stuff I started eons ago? I had a perfect, no-maintenance
garden plan. Those plants grow in any type of soil, withstand drought and
multiply with abandon. The nectar from the long lasting blossoms attracts
butterflies, honeybees and flocks of songbirds.
I expected to see a vast garden of colors by now. But all I see are t... 阅读全帖 |
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f*1
发帖数: 837 | 11 I was hoping to get some information from you to provide a more specific
answer. Anyhow, here is what you need to consider.
There is general consensus about the best time to lay sod: when the grass is
actively growing. For warm season grasses, it is generally late spring/
early summer, and for cold season grasses, it is generally fall or spring.
Note this is the ‘best’ time, not the ‘only’ time to lay sod.
There is no consensus about laying sod in the winter. Some (1) say you can
lay sod whe... 阅读全帖 |
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f*1
发帖数: 837 | 12 I wouldn't use it. Halts has the active ingredient of Pendimethalin and is
marketed as a Crabgrass pre-emergent preventer. It will also prevent grass
seeds from germination so if you use it when planting grass from seeds, you
won't get any grass!
You may argue that sods are grass that have already germinated, so it wouldn
't be that bad. However, Pendimethalin (as well as many other pre-emergent
herbicides) also has early post-emergent function and it may inhibit
initial root growth, while it... 阅读全帖 |
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d*z
发帖数: 150 | 13
I can bring 1399.7 K grass to Damascus, And I believe it is
the maximum, but it is difficult to prove.
First takes 10 times to bring 10,000K grass 1000/19 miles,
and spends 1000K grass,
second takes 9 times to bring 9,000K grass 1000/17 miles,
and spends another 1000K
then takes 8 times to bring 8,000K grass 1000/15 miles
...
at last takes 3 times to bring 3,000K grass 1000/5 miles
No total moves 799.92219682622159402345160859093 miles and
we still have 2000K grass leave. Now we can bring the 2 |
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发帖数: 1 | 14 由于英国死亡卡车震惊世界，由此加大了对人蛇集团的调查，根据报道才知道偷渡也分
“三六九等”。人蛇集团为想偷渡到欧洲的越南人提供不同价位的服务，上至尊贵的"
vip"，下至廉价的"Grass"多种方案供偷渡者选择。
如果是"vip"路线，那么在偷渡过程中仅有百分之一的几率会被警察抓到，"vip"路线是
最安全但也是最贵的，如果是采用最低等的"Grass"路线，那么可能会死在路上。
如果选择了"Grass"路线，人蛇集团会先将偷渡者们带入中国，然后再通过乘坐汽车进
入俄罗斯，从俄罗斯步行出发前往乌克兰或者拉脱维亚这些俄罗斯邻国，为了保密，通
常选择在晚上出发穿越广袤的森林和山脉，最后正式进入欧洲，整个过程要耗时数月之
久。
如果采用"vip"路线，人蛇集团会使用伪造的护照将偷渡者通过飞机运送至第三国，然
后飞往欧洲，整个过程仅需要数天，但是成本要高得多。
在"Grass"路线中，仅仅是从法国到英国就要花费大概3000英镑，而"vip"路线，花费超
过11000英镑。
11000英镑对越南很多家庭来说并不是一个小数目，很多家庭倾家荡产甚至不惜四处举
债也要选择"vip"路线。他们认为这会更安... 阅读全帖 |
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g*****9
发帖数: 4125 | 16 Another mower I like for lazy people.
http://www.husqvarna.com/us/products/robotic-mowers/automower-s
Set to mow everyday, I set mine from 4 to 8 pm, skip on days when grass is
very wet.
Water every morning from 5 to 6am. (skip on days with at least 1 inch rain)
Above are daily job for the growing season (just set it and forget it)
Get a spreader for fertilizers and chemicals, sign up on scotts website (
they will email when to put down what based on your zip code and grass type)
Follow instruct... 阅读全帖 |
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f*1
发帖数: 837 | 17 First of all, I had no real experience mulching oak leaves or pine needles,
so take my advice with a grain of salt (probably as you do with most advice).
I don't know about oak leaves. There are people saying their grass do fine
after mulching, but there is also this article to ponder:
http://www.regional.org.au/au/allelopathy/2005/2/1/2499_djurdje
I think pine needles should be fine to mulch to grass.
Both oak leaves and pine needles decompose slowly. If I had them, I'd still
mulch them to gr... 阅读全帖 |
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f*1
发帖数: 837 | 18 A healthy lawn needs 4-6" of good topsoil (not subsoil like the yellow one).
If you want to save money and have the extra time and energy, you can try
this: Say the current hole is 5" deep, so you cut the grass (like sod),
water it and save it aside. The grass is probably 2", so the hole is about
7" deep. You dig 5" down and those soil should be the old topsoil you can
reuse later. Now the hole is about 12" deep. You fill it with about 5.5"
yellow soil. Jump on it or compact it, but don't o... 阅读全帖 |
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G***G
发帖数: 16778 | 19 Each time in the late fall is good time growing grass.
Not like last year, I didn't buy any grass seeds. Instead, I
left an area in my lawn unmowed for long time. The grass grew very tall
in that area and bloomed and then seeded.
I collected some grass seeds every evening as a relaxing exercise.
I am still thinking of a good and efficient way doing that.
I spreaded some grass seeds I collected around every area in my yard.
Today, I found some of area there came some new grass.
If you like my met... 阅读全帖 |
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S*G
发帖数: 30 | 21 Assume that the consumption per ox per week is 1 unit. Then
27*6=162 …………..consumption of 27 oxen in 6 weeks
23*9=207…………...consumption of 23 oxen in 9 weeks
207-162=45…………grass growth in 3 weeks
45/3=15……………..grass growth (supply) per week
6*15=90, 9*15=135…grass supply in 6 and 9 weeks, respectively
162-90=207-135=72…initial amount of grass
21-15=6……………...net consumption of grass per week given 21 oxen
72/6=12 days…………the length that the grass land can supply for 21 oxen |
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m**o
发帖数: 9805 | 22 没有的事
估计说的是Asian carp,入侵物种
common carp是本土鱼
It is a violation to:
Possess or transport any exotic aquatic plant or animal listed as
harmful or potentially harmful. This includes: plants such as hydrilla,
water hyacinth, and giant salvinia; fishes such as tilapia and Asian carps (
grass, silver, and bighead carp); and zebra mussels.
Possess tilapia, grass carp or any other fish listed as harmful or
potentially harmful, without immediately removing the intestines, except on
waters where a va... 阅读全帖 |
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v****e
发帖数: 19471 | 23 look, lots of people started out on the grass and ONLY on the grass. if you
are in a southern state such as CA or FL, you'll know there're practice ran
ges that are grass-only. if it worked for all those people when they first s
tarted hitting golf balls, why should it not work for you? plus, it is a LUX
URY to have a range close to home that is grass only, as using mats are way
cheaper than maintaining 0grass. golf is played on grass, and "transitioning
from mat to grass" is simply not a neces |
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c***i
发帖数: 206 | 25 Never expect that the tournament would become such a hot topic lately. As
the tournament organizer, please allow me to use this platform to say
something. (Pardon me to use English as I do not know how to type Chinese
and it will take me some efforts to write in Chinese.)
First of all, as indicated in our web http://macrogroup.org/, the mission of this tournament, like all other tournaments and activities that we have been doing for years, is to gather all individuals who share common intere... 阅读全帖 |
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f*1
发帖数: 837 | 26 Right, although there are exceptions, many herbicides (pre-emergents and
post-emergents) may also inhibit the grass root development after
germination and/or kill very young grasses. So read the labels carefully.
Normally you should wait at least 3 months (some 8 months) after
pre-emergents and at least 1 month after post-emergents before planting
grass seeds, and at least 3-4 mowings of new grass before applying
post-emergents, all depending on the specific herbicides you use.
In your case, if... 阅读全帖 |
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c*****r
发帖数: 140 | 27 Elymus repens, commonly known as couch grass. Other names include common
couch, quick grass, quitch gras, dog grass, quackgrass.
排名第一的杂草，危害远超 Crab grass. Crab grass是通过种子繁殖的，很好控制，
这个 dog grass 是通过根繁殖的，至今没有找到控制的有效办法。 一旦发现这种草生
了根，就只能把好草和杂草全杀了（roundup), 然后重新种。 |
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发帖数: 1 | 28 埃及和叙利亚对以色列进行偷袭后，以色列进行了反击，但是很快就出现补给问题，以
色列国防军的弹药和零部件只有24小时的存量了。
在此情况下，尼克松总统下令对以色列进行大规模补给，首先调用美军在欧洲北约的库
存，同时将美国本土的武器装备越洋直接送往以色列。
这个紧急补给称为Operation Nickel Grass(五分钱救援行动),把Operation Nickel
Grass翻译成五分钱救援行动的典故是这样的："Nickel Grass应该是来自美空军有些自
我调侃的歌曲Throw a nickel on the grass, save a fighter pilot's ass，这歌曲
源自第一次世界大战飞行员唱的。Throw a nickel on the drum。 Nickel 是美金5分
钱，drum是鼓，为何要throw on the drum，就是以前马戏团卖力表演的差不多时观众
掏出钱丢在鼓上赞助。Operation Nickel Grass就是个援助作战，save 以色列飞行员
的asses。"
由于以色列已经突破埃及苏伊士运河防线进入埃及境内，美军C5战略运输机，... 阅读全帖 |
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p**e
发帖数: 676 | 29 Turf Cost Analysis
So you've decided that synthetic grass or 'fake grass' really looks real
these days but what are the costs? Below is a break down of the upfront
costs you would incur with having synthetic grass installed at your home.
This cost comparison is using a typical 500 square foot lawn insatllation
and conservatively factoring in monthly expenses over a 10 year period.
Grass Fake Grass |
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g*****9
发帖数: 4125 | 30 Most mower are designed to cut grass when dry, so they do not cut well wet (
after rain or in heavy morning dew).
There are mowers designed to cut wet grass, such as etesia brand.
The main reason is when wet, even with a shape blade, grass are kind of torn
instead of a clean cut. A torn wound will catch disease more easily.
Also wet grass do not mulch well (you should not bag under most conditions).
If you have no choice but to cut wet grass, a zero turn mower will do much
better than a walk beh |
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S*A
发帖数: 7142 | 31 That is wrong. The mulching provide fertilizer for the grass.
It is part of the natural process of grass decompose back to
the soil. In the natural environment nothing is removed from
the grass field. It helps the soil get better.
Personally I never bag the clipping since my renovation last
year. It has been 7 month now, never bag any grass. And my grass
is very happy. |
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S*A
发帖数: 7142 | 32 再碎碎几句。
我发现楼主比较担心的杂草就是 crab grass。
Crab grass 和很多宽页草的确是有可以选择性杀死的药。
例如 weed be gone. 但是 Crab grass 真的是很容易处理
的杂草，这个入门级的杂草我都不是很在意。
我真正怕的杂草是 Poa Trivialize, Poa annua, Bermuda，
加州的 broom grass 这些杂草。这些是无药可治的。
我斗了很长时间搞不定才 round up 的。
另外撒 Weed be gone 实在是不好，很伤土，不能杀死
比较厉害的杂草。我以前专门写过。如果你头痛的是 crab
grass, 你的草坪维护肯定有比较多需要改进的地方。
打孔这些是不必要的，我个人不推荐。
还是培养好的土壤，土壤生物群落多了，吸引蚯蚓来松土
这些是正道。你看野外的草坪有谁松土的，不是一样很好。
BTW, 绝大多树高尔夫球场也不打孔的，如果打孔那么有用，
高尔夫球场这些专业种草的地方会第一个用。 |
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x******t
发帖数: 3911 | 33 the grass seeds were in small lumps, but not as big as the ones you showed.
the grass seeds did very well. the grass is about two inches long now. :)
I didn't need to buy anything else. Just watered the grass seeds twice
daily. this brand makes different types of grass with different level of
sun/shade. |
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d**********0
发帖数: 13081 | 34 http://realestate.msn.com/article.aspx?cp-documentid=13108324
1. Feed that lawn! "Right now, it's key to work on your lawn," says Jim
Welshans, regional turfgrass educator at Penn State University. In fact,
despite what many people might think, autumn, not spring, is perhaps the
most vital time in many parts of the country. Welshans explains: "In
Pennsylvania we grow cool-season grasses, and during the summer they're not
very active." Come autumn, however, they revive.
Lawns with these cool-weat... 阅读全帖 |
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f*1
发帖数: 837 | 35 The best thing you can do with grass clippings and falling leaves to your
lawn is to mulch them into your lawn. Grass clippings provide about 25% of
the nitrogen needs of the lawn if directly mulched into the lawn year round.
Mulched (i.e. shredded) leaves provide organic matters to the lawn soil
when decomposed.
Alternatively, you can mix grass clippings and leaves into soil directly to
improve the soil, although you shouldn't rely only on the grass clippings
and leaves for fertilization pur... 阅读全帖 |
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t**a
发帖数: 255 | 36 买了房子后用过专业的园艺公司，后来也自己动手打理。如果你家草坪不是很大大，
要求不是很高（在小区中等偏上），完全可以DIY。这里给各位新买了房子打算自己打
理草坪的人说说我的入门级经验。以下适用于东部地区cool season grasses (KBG,
feacus etc.) 并以新泽西为例。往南往北的可以酌情调整时间。
三月
Spring clean up:春天刚回暖，草地雪化完以后就可以clean up了， 主要就是把枯枝
落叶清一清。
dethatching：如果草坪有些年头了，经年的枯草会结成一层厚厚的thatch，超过0.
5inch就全 不利于根部透气肥料渗透。这就需要用专门的dethatch耙子（Thatching
Rake）把草坪梳一遍，把thatch层打散，并去掉一些枯草。地太大的话最好租电动的拉
着耙子，省时省力。
Aeration: 也就是打孔透气。用aerator把地里打一个个深一点的空，让根部呼吸。
以上三项自己做的话要半天，请人做大概$200-400。
施药防crabgrass+施肥
详情参见http://www.mitbbs.com/bbsann2/e... 阅读全帖 |
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t**a
发帖数: 255 | 37 买了房子后用过专业的园艺公司，后来也自己动手打理。如果你家草坪不是很大大，
要求不是很高（在小区中等偏上），完全可以DIY。这里给各位新买了房子打算自己打
理草坪的人说说我的入门级经验。以下适用于东部地区cool season grasses (KBG,
feacus etc.) 并以新泽西为例。往南往北的可以酌情调整时间。
三月
Spring clean up:春天刚回暖，草地雪化完以后就可以clean up了， 主要就是把枯枝
落叶清一清。
dethatching：如果草坪有些年头了，经年的枯草会结成一层厚厚的thatch，超过0.
5inch就全 不利于根部透气肥料渗透。这就需要用专门的dethatch耙子（Thatching
Rake）把草坪梳一遍，把thatch层打散，并去掉一些枯草。地太大的话最好租电动的拉
着耙子，省时省力。
Aeration: 也就是打孔透气。用aerator把地里打一个个深一点的空，让根部呼吸。
以上三项自己做的话要半天，请人做大概$200-400。
施药防crabgrass+施肥
详情参见 Gardening精华区[合集] 科普一下crabgrass... 阅读全帖 |
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x********o
发帖数: 1442 | 38 美东北，新英格兰地区。去年夏初买的房子，跟院子里的杂草奋战了几个月，失败告终
。今年想好好整整yard，来此求教。
目前状况：
1. 前院草地大概1000sqft，比较平整，杂草一般(主要是crab grass，少量蒲公英）。
2. 后院草地大概3000sqft，有坡度（因为房子位于一个缓坡上，大概3度到5度），很
多地方不大平整，，有一个一个小土包（直径20厘米）。夏天草茂盛的时候不大明显，
但是走上去感觉很不好。杂草非常非常多（主要是crab grass，还有一些我不大认识)
。另外去年秋天砍了三棵篱笆旁边的大树，砍树公司把附近的草皮都弄坏了，目前大概
有1000sqft光秃秃的基本寸草不生。
想达到的目标：
1. 希望前后院的草能长的茂密一点，杂草比较少。能绿一些更好。
2. 后院需要把1000sqft光秃秃的地方种上草。
3. 如果后院能稍微平整点就更好了。孩子跑着玩也更安全。
目前完成的是：
1. 去年入冬前施入冬肥的时候用了weed control。
2. 上周末已经spring clean up，除去了枯枝败叶。
3. 已经dethatching，耙出了很多枯草。
4. ... 阅读全帖 |
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G***G
发帖数: 16778 | 39 My suggestion is to keep it.
1) let nature go itself
don't disturb the nature.
If wild grass like to grow, let it grow.
why? What's our purpose to grow grass in yards?
Most people say, it is for protection of foundation.
remember, lawn maintainance's main purpose is not for beautifying our lawn.
It is for protecting the house structure primarily.
Keep the wild grass because the wild grass has the same function as domicile
grass in terms of structure protection. |
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t******k
发帖数: 553 | 40 Cool-season grasses are grass types that thrive in areas with cold freezing
winters and hot summers. This area is roughly defined as New England, the
Upper Midwest, the High Plains, and Northern California up to the Pacific
Northwest. These grasses grow best when temperatures are between 65-80
degrees F, which is why they do most of their growing in the spring and fall
http://www.scotts.com/smg/goART2/InfoHowTo/what-are-cool-season-grasses%3F/19500084
最常见的草籽：The most common grasses in this categ... 阅读全帖 |
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发帖数: 1 | 41 【 以下文字转载自 NewJersey 讨论区 】
发信人: tuna (一直很安静), 信区: NewJersey
标 题: 手把手教你如何打理草坪
发信站: BBS 未名空间站 (Mon Mar 16 15:53:52 2015, 美东)
成为为草民后用过专业的园艺公司，后来也自己动手打理。如果你家草坪不是很大大，
要求不是很高（在小区中等偏上），完全可以DIY。这里给各位新买了房子打算自己打
理草坪的人说说我的入门级经验。以下适用于东部地区cool season grasses (KBG,
feacus etc.) 并以新泽西为例。往南往北的可以酌情调整时间。
三月
Spring clean up:春天刚回暖，草地雪化完以后就可以clean up了， 主要就是把枯枝
落叶清一清。
dethatching：如果草坪有些年头了，经年的枯草会结成一层厚厚的thatch，超过0.
5inch就全 不利于根部透气肥料渗透。这就需要用专门的dethatch耙子（Thatching
Rake）把草坪梳一遍，把thatch层打散，并去掉一些枯草。地太大的话最好租电动的拉
着耙子，省时省力。
A... 阅读全帖 |
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h***m
发帖数: 1869 | 42 ☆─────────────────────────────────────☆
cloudyseason (cloudy) 于 (Tue Dec 11 20:03:04 2012, 美东) 提到:
update
多谢大家讨论, 希望前辈多分享经验。还有两点：
1，老板提到办了绿卡后job title不能改，含糊其辞，我追问是多久不能改，他说是ad
期间。大家怎么看？
2，大家怎么看走技术路线? 这个职位是非常偏技术的，但是我想做manager (大家别笑）
有人回复的好，我应该想清楚自己的career path. 但是我真是不太清楚，就知道还是
希望尽全力往更高的职位努力。我不知道像我这样的及其平凡的junior level, 也无一
技之长，是否应该以提高technique skill为突破点，从这里入手来发展成为技术型
manager，还是一旦走上技术路线，就很难再走manager路线，或者将来会成为瓶颈。
---------------------------------------------------------------------------
摘要：目前的公... 阅读全帖 |
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z**k
发帖数: 945 | 43 [zz] 草坪的打理
买了房子后用过专业的园艺公司，后来也自己动手打理。如果你家草坪不是很大大，
要求不是很高（在小区中等偏上），完全可以DIY。这里给各位新买了房子打算自己打
理草坪的人说说我的入门级经验。以下适用于东部地区cool season grasses (KBG,
feacus etc.) 并以新泽西为例。往南往北的可以酌情调整时间。
三月
Spring clean up:春天刚回暖，草地雪化完以后就可以clean up了， 主要就是把枯枝
落叶清一清。
dethatching：如果草坪有些年头了，经年的枯草会结成一层厚厚的thatch，超过0.
5inch就全 不利于根部透气肥料渗透。这就需要用专门的dethatch耙子（Thatching
Rake）把草坪梳一遍，把thatch层打散，并去掉一些枯草。地太大的话最好租电动的拉
着耙子，省时省力。
Aeration: 也就是打孔透气。用aerator把地里打一个个深一点的空，让根部呼吸。
以上三项自己做的话要半天，请人做大概$200-400。
施药防crabgrass+施肥
详情参见http://www.mitbbs.co... 阅读全帖 |
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R*****8
发帖数: 7056 | 44 终于上飞机了。候机时候码字，4点起床俺容易嘛俺：）
在麻省开完会就马不停蹄租车开到新泽西朋友家。第二天进城吃饭后就立马送朋友回家
然后到机场还车抵达旅馆。虽然一直很紧张，但是一切安顿好了换上球衣那还是相当激
动滴。6点20七雪打来电话说6:40到，赶紧下楼溜达。一会儿就看见七雪了，车上居然
还有个熟睡的小朋友，太感动了！七开八开到了球馆，是ymca的场地。只要了id登记，
居然没收费，太nice了，汗。七雪熟练的搬桌子，放网子，几分钟搞定。哇，太佩服了
。本来还穿着拖鞋，一换上乒乓球鞋俨然就是一高手啊！刚打没俩下桃心妹妹来了！果
然热情大方的美女，本来刚睡醒嘟着小嘴不高兴的小朋友，看到桃妹妹也高兴起来了！
美女掌门还真带了相机，一上来就和七雪打。哇，吃了不少发球：（ 七雪基本都没进
攻，俺这边各种下网打飞。最头疼的搓球吧，本来我是不怕的，结果七雪居然搓一下然
后就往上挑一下。哎呦这个没见过，立马短路不知道该咋办。好像拉了几个出界了，推
了几个下网了。当上旋吧，这球还是下旋，推就下网。当下旋吧，又没有一般那种转，
一拉就出。反正没有任何方法能主动得分，3:0脆败啊。七雪说我是被下旋搞死的... 阅读全帖 |
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f*********e
发帖数: 8453 | 45 貌似你在扯，温网从2001就减速了(from http://en.wikipedia.org/wiki/Tennis_court)：
However, Wimbledon, the most famous grass tournament, slowed down its grass
courts as recently as 2001. Players have said that the courts of Wimbledon
have become slower, heavier, and high bouncing.[3] In 2001, Wimbledon
organizers had changed the grass to 100% perennial rye in addition to
changing to a harder and denser soil with both providing for a higher bounce
to the ball. Grass specialist Tim Henman spoke out against this c... 阅读全帖 |
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S*A
发帖数: 7142 | 46 你家草坪多大，有没有浇水的系统？
的确是 St Augustine. 这种草自己根部蔓延。
挺流行的热带草。
三颗草的那张。
左边的那颗茎的截面是不是三角形的？如果是的话，
这种叫 Nutsedge. 这种严格意义上不是草（Grass）.
是 sedge. 大名鼎鼎的 roundup， 一种通杀的杀草剂，
不能杀死这种草。需要用 sedge hammer. 拔的话要用
那种 deweedler, 分叉的小铁锥连根挖出来拔掉。挖根
很重要。这种草要很小心，泛滥起来很头痛的。
中间那个个，我想我见过，但是不知道叫什么。
这种下完雨后去拔特别爽，连根一把一个。
右边那个，看着像 Crab Grass, 但是花不像。
可以肯定不是什么好东西。你的情况就是典型的从别人
的topsoil 那里引入的杂草。所以用别人的 top soil
也不是一劳永逸的。
：这种呈散发,不多,我拨应该能拨光
这个我也不认得。
：难度最大的可能就是这种了
恭喜你，这个就是最常见的 Crab Grass 之一。Crab Grass
有很多种的。这个Crab Grass 有抑制发芽的药，好像也
有专门针对 crab gr |
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S*A
发帖数: 7142 | 47 Purzel,
你说的是这张吗？
这个我非常有把握给你说这是 crab grass.
crab grass 有好多种的，而且样子长的不太一样。
你看到的是 crab grass 里面的不同种类而已。
Crab Grass 有高的张的，叶子比较细的，你的就是。
也有贴地长的，叶子比较肥的。我以前贴过的样本
照片。
这几种，包括 Bermuda， 我这里都有。要不我的草坪
被别人损称草类博物馆呢。就是人类知道的每一种草，
我这里都找得到。我回头贴几张 crab grass和
Bermuda的照片给你好了。
你还有什么不清楚的，把你不清楚的草贴出来看一下。 |
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m***y
发帖数: 14763 | 48 Yet another problem caused by irrigation. Because water don't go deep down,
every grass is trying to spread its roots as wide as possible, instead of as
deep as possible. Now the soil begins to heat up, and the shallow-rooted
grasses brown out.
It's high time to aerate your lawn now. Water less often but deeper every
time. Actually, I'm against watering before July 4th, at all.
Naturally, when the soil gradually warms up, your grass roots will seek the
colder side, and thus dig deeper and deeper... 阅读全帖 |
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D*******1
发帖数: 11303 | 49 老兄，那些草我一个都不认识，试着翻一下：
wild cow grass
dog tooth root
threaded grass
hundred happiness grass
pure leaf grass
fake frugal grass
好像都不很熟悉？ ＬＯＬ 要不麻烦你再给翻回英文？谢谢 |
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f*1
发帖数: 837 | 50 1. It all depends on your expectations. Mine is probably a bit higher. If
by the end of the summer you feel like the grass in the backyard isn't that
bad, you can choose to do an overseeding in the fall. If there are a lot of
weeds and you don't like them, you can choose to do a renovation. For
overseeding, you may spend more time dealing with weeds before and
afterwards though.
2. Yes, the total time is 3-4 weeks. Something like applying Roundup,
watering and waiting for 2 weeks before ano... 阅读全帖 |
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