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Effects of soil areation on trunk growth, yield and nut quality of pecan
(C) Aerway aerator; and (D) control, no treatment. The Guin
16 injections equally spaced in a 2 m square block design.
aerator has sixteen spikes, 1.27 cm thick by 20.3 cm in
and nut yield was measured and analyzed for quality. Results
compare three different types of soil aeration equipment to a
complete randomized block design was used in each location to
contained seven replications on three 'Wichita' trees per
control. The Frio County study contained six replications on
could have been the result of a detrimental increase in water
did not increase trunk growth, nut yield, or quality. This
Each treated tree had three passes on two sides. The Aerway
four 'Wichita' trees per treatment. The Medina County study
infiltration that saturated the clay soils and may have
injects air 15 cm into the soil. Each treated tree received
kit. Each treated tree had three passes on two sides.
length, spaced 10.2 cm and mounted on two spindles. The
Medina, and San Saba Counties in Texas in 1993 and 1994. A
mid-May 1993 and 1994 at each location. In the fall of each
model used in this study was the 1.7 m model with a wheel
nut size, and percent kernel of pecan were studied at Frio,
of 40.6 cm. The model used in this study was 2.29 m wide.
of this study indicate that for these two years soil aeration
possibly destroyed roots since internal drainage was
replications on two 'Western' trees per treatment. The
restricted. This study did continue for a third year and
Root Feeder is a manually-operated pneumatic aerator which
should give a better indication of effects of soil aeration
The effects of three soil aerators on trunk growth, yield,
The Savage aerator has 12 crescent-shaped spikes, arranged in
three rows, which slices the soil every 70.78 cm to a depth
treatment. The San Saba County study contained six
treatments included (A) Guin Root Feeder; (B) Savage aerator;
Treatments were applied and trunk diameters were measured in
year nut samples were collected from each treatment block,
Issued also on microfiche from Lange Micrographics.
Includes bibliographical references: pages 48-53.