Brocolie as a green manure crop control soil diseases
iris@hort.net
  • Subject: Brocolie as a green manure crop control soil diseases
  • From: S*@aol.com
  • Date: Sat, 3 Nov 2012 07:11:43 -0400 (EDT)
The extension agent  recommended to me to consider the use of broccoli 
grown up to just before  flowering and then incorporating them into the soil. 
Broccoli can help suppress  disease in soils when you want to renew an iris 
bed. He said to do a  Google search on Rotation with Broccoli for soil borne 
Disease.   Has  anyone experience with broccoli to eliminate soil diseases?
 
The broccoli discussion came about  because I was discussing using sweet 
peas (dwarf) in between irises to  fixate Nitrogen in to the soil.   He said 
that planting Sweet Peas  will not increase soil nitrogen if they do not have 
the right soil rhizobium  inoculant, nor if the soil already has sufficient 
nitrogen.  Plus he  said you would have to work it in before flowering.
Has anyone  grown sweet peas  in between the irises in the spring and 
winter?  Do they crowd the  irises?  I am doing an article on green manure for 
the club newsletter  and website.  Can anyone send me pictures of sweet peas 
grown amongst the  irises?  I have known that the inoculant you can buy 
varies with cover  crop.  I would like to buy some inoculant to help the sweet 
peas fix  nitrogen in to the soil but am not sure which one.  Any  
recommendations?

Thanks
Scarlett

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