One Thousand Questions in California Agriculture AnsweredWickson, Edward J. (Edward James)
Science
One Thousand Questions in California Agriculture Answered
Wickson, Edward J. (Edward James)
Agriculture -- California
Bad Conditions for Potatoes.
Our potatoes were planted early and were frosted several times while
young. As we come to harvest them we find them with very large green
tops but the potatoes are about the size of a hen's egg and from that
they run down to the size of a pea. The larger ones are beginning to
send out roots, four or five to a potato. The potatoes have not been
irrigated lately and the ground they are in is dry.
The ugly behavior of your potatoes is doubtless due to irregularities in
temperature and moisture which have forced the plants into abnormal or
undesirable activity. Potatoes should have regular conditions of
moisture so that they shall proceed from start to finish and not stop
and start again, for this will usually make the crop unsatisfactory and
worthless. Excessive moisture is not desirable, but the requisite amount
in continuous supply is indispensable.
Potatoes on Heavy Land.
Will potatoes grow well in adobe land, or partly adobe, that has not
been used for seven years except for pasturing?
Although potatoes enjoy best of all a light loam in which they can
readily expand, it is possible to get very good results on heavy land
which has been used for pasturage for some years, providing the land is
broken up early and deeply and harrowed well in advance of planting and
thorough cultivation maintained while the crop is growing. The content
of grass roots and manure which the land has received during its period
of grazing tends to make the soil lighter and will also feed the plant
well. For this reason better potatoes are had on heavy land after
pasturage than could be had on the same land if continually used for
grain or for some other crop which tended to reduce the amount of humus
and to make the land more rebellious in cultivation.
Storage of Seed Potatoes.
We need potatoes for late planting and have found a good lot which is
being held in cold storage at temperatures from 34 to 36 degrees F. They
have not been there long, however. Would that hurt them for seed, and
also how long could they be safely left there now before planting?
Seed potatoes would not be injured in storage, providing the temperature
is not allowed to go below the freezing point. They should not, however,
be allowed to remain longer in storage, but should be exposed to the sun
for the development of the eyes, even to the sprouting point being
desirable before planting. The greening of the potato by the sun is no
disadvantage. We would not think of planting potatoes directly from
storage, because, owing to the lack of development in the eyes, decay
might get the start of germination.
Potatoes and Frosts.
Public-domain text, read in full here on John Shaqi.
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