agroforestry question

DVK dvank at michweb.net
Mon Jan 17 20:52:51 EST 2000



TREEFARMER at webtv.net wrote:

> Regarding Joe's post on evapotranspiration causing yield loss.
> Previously this idea was one I also subscribed to along with fertilizer
> loss and shading. It was only after many hours of study of the forest
> edges on our farm that I became convinced that the excess of moisture
> caused the yield loss.
> It seems we can have good yields next to timber if there is clear sky
> directly above the plants and the canopy density of the adjacent timber
> isn't dense. Maples and Osage Orange aren't good, Black or Honey Locust
> is ok.

Doesn't the Locust also fix nitrogren into the soil (as would a legume)?
Yet another variable to consider.

> Unfortunately moisture damage early in the crop's life, basically ruins
> its chances for any yield later regardless of the weather or human
> intervention. It's like once a runt always a runt.
> Since we don't grow rice here I can't speak of that crop, only corn and
> beans.







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