Alfalfa can remain productive in stands from
four to ten years or more
, but as plant population declines renovation eventually becomes necessary.
Does alfalfa grow back?
You can harvest seeding-year alfalfa as early as 40 days after seedlings emerge.
It takes plants about 40 days to become able to regrow from the crown after cutting
. If plants are cut before this development occurs — maybe to control weeds — at least one set of leaves must remain on the plant for it to regrow.
Does alfalfa grow back every year?
Alfalfa is a
cool-season perennial
commonly grown for feeding livestock or as a cover crop and soil conditioner. … Alfalfa’s extensive root system nourishes both plants and soil. The alfalfa plant has been cultivated for generations and growing alfalfa in your garden is easy.
Does alfalfa reseed itself?
Alfalfa is a crop that naturally tends to lessen its density over time because
alfalfa doesn’t reseed itself
. Planting more alfalfa into current alfalfa fields is not recommended since alfalfa has autotoxicity characteristics. A good population/density is about 35 well-growing stems per square foot.
Does alfalfa have to be replanted every year?
If alfalfa must be planted in spring following a spring killing of an old alfalfa stand,
wait at least three weeks before reseeding
. In all of the scenarios discussed above except rotating out of alfalfa for at least one year, some yield reduction will likely be experienced.
How do I get rid of alfalfa?
Alfalfa can be
removed with herbicides and/or aggressive tillage
. While tillage can result in > 80% mortality, tillage implement, operation of equipment as well and environmental conditions can dramatically affect control.
How often can you cut alfalfa?
The optimal compromise for higher forage quality and dry matter yield of alfalfa is to harvest the first cutting at the late-bud to first-flower stage and to make subsequent cuttings
at 32-to-35 day intervals until late August or early-September
, often referred to as a “4 summer-cut system.”
What is the best way to plant alfalfa?
Use
a drill
to plant. Do not broadcast seed and till it in. If you can’t use a drill, don’t plant alfalfa.
Is it hard to grow alfalfa?
Alfalfa is a cool-season perennial commonly grown for feeding livestock or as a cover crop and soil conditioner. … Alfalfa’s extensive root system nourishes both plants and soil. The alfalfa plant has been cultivated for generations and growing alfalfa in your garden is easy.
Does alfalfa need a lot of water?
Alfalfa is
a high water use crop
because it has a long growing season, a deep root system, and a dense mass of vegetation. … Commonly cited ranges in water requirements for alfalfa are 18 to 36 inches of water per season. Alfalfa is quite tolerant of drought or extended periods without highly available water.
Can alfalfa be poisonous?
Among crop plants, especially oat hay, and sorghum have been incriminated with nitrate toxicosis, but
alfalfa itself may contain potentially toxic nitrate concentrations
. … Clinical signs of acute nitrate poisoning include depression, dyspnea, tremors, ataxia, rapid heartbeat, and terminal convulsions.
Are alfalfa seeds expensive?
Alfalfa seed of modern varieties
can cost over $4.00 per pound
, while older varieties can be purchased for $2.00 per pound or less.
Will grass choke out alfalfa?
In this area grass typically
will take over the field choking out everything else
if irrigated and fertilized properly so that makes drilling alfalfa into a grass field kind of impossible.
Can you spray 2,4-D on alfalfa?
Bromoxynil
or 2,4-DB can be used postemergence (POST) in seedling alfalfa to control many broadleaf weeds.
What happens if you don’t cut alfalfa?
If it stays dry those new shoots could die off. Once your alfalfa
does receive enough rain for regrowth it
might regrow a little faster if it’s cut, but it also will regrow following sufficient rain without cutting.
