From

Location

Message

Date Posted

San Diego

Cal/Mag has some nitrogen in it. Should it be avoided as a source of calcium for a growing pumpkin?

6/29/2015 12:49:35 AM

Central Illinois

Hollands Biomin Calcium Soluble Powder is 5% nitrogen and He recommends using it all year after the beginning of May, but as a foliar spray.

I think the opinion runs both ways on this

6/29/2015 8:13:06 AM

Central Illinois

I think a good answer was just posted by bubba,

http://www.bigpumpkins.com/MsgBoard/ViewThread.asp?b=3&p=542664

Seems like a good answer , if its lacking in N that wouldnt be normal, but an excess on N wouldnt be good either.

6/29/2015 8:22:55 AM

Germany

Take a soil estimator, your size of the plant and the amount of fertilizer you are planning to add in the course of two weeks. If it doesn´t increase the N content by more than 5 ppm then I wouldn´t be worried at all.

6/29/2015 8:47:06 AM

Germany

...the size of your plant...
...the amount of fertilizer you are planning to feed to this particular plant in the course of the next two weeks...

6/29/2015 8:48:14 AM

San Diego

Thanks.
Does calcium applied to the leaves make it to the fruit? I hear it is not mobile.
Also, the nitrogen in Cal/Mag is in the nitrate form, so I can't use it on leaves. What sources of calcium to some of you drench with?

6/29/2015 11:11:21 AM

Plymouth, Mass.

I believe you can spray the Hollands Biomin Calcium directly to fruit at a reduced application rate.

6/29/2015 12:54:56 PM