IM-PRUV-ALL
ESSENTIAL ELEMENTS USED IN
RELATIVELY LARGE AMOUNTS
Mostly from
Air and Water
Carbon Nitrogen Calcium
Hydrogen Phosphorus Magnesium
Oxygen Potassium Sulfur
Other minor elements such as sodium, fluorine, iodine, silicon, strohitium and barium do not
seem to be universally essential, as are the seventeen already cited, although the soluble
compounds on some may increase crop growth.
WEILER BROS. INC.
Ray Waiter
Clarence Waiter
Melvin R. Weaver 717-569-6576
Richard BrecKbill 215-932-3307
Scientists now recognize more than 100 elements. Most of them
occur in plants, but only 17 are currently known to be essential. The 17
known essential plant elements are classified as follows:
ESSENTIAL NUTRIENT ELEMENTS AND THEIR SOURCES
From Soil Solids
anon & Berks Co,
m
717-733-4302
717-866-6710
Chester Coun
York County
Bair's Mill 717-252-3114
MANGANESE
Cumberland & Franklin Counties
Harry Oberhoitzer 717-532-9445
IM-PRU V-ALL
Washington County
Hagerstown, MD area
Cart Eby 301-842-2630
Columbia. Luzerne. Montour. Northumberland
Dale A. Brown 717-752-5387
Union & Snvder Counties
Norman Brouse 717-524-5454
ESSTENTIAL ELEMENTS
USED IN RELATIVELY
SMALL AMOUNTS
From Soil Solids
Iron Copper
Manganese Zinc
Boron Chlorine
Molybdenum Cobalt
Saturday, Nov. 6.1976—15
tmsa
PTQSHAFT
POTTSTOWN, Pa. - A new
driveshaft evens torque
loads during turns to
distribute power better,
lessen vibration and extend
life, according to the maker.
Neapco says its new 90
degree shaft reduces all the
traditional problems with
power-take-off m turns
without adding'cumbersome
or troublesome parts.
The new shaft fits directly
onto the PTO shaft of the
tractor and the implement,
just as a standard shaft does.
The secret of its operation
lies in the shaft’s ability to
telescope.
As the tractor turns, the
shaft contracts so that the
angle at the driving yoke and
the angle at the driven yoke
remain almost equal.
Unequal angles at the input
and output yokes cause
uneven torsional loads,
vibration and chattering - all
of which work to induce
failure. By eliminating the
failure-inducers, Neapco
says, the new shaft delivers
longer life.
At present, the shaft is
available in Neapco’s 1800
Series for tractors and
implements rated up to 48
horsepower at 1000 rpm. It is
intended only for original
equipment applications, not
retrofit.
Neapco’s Randy Altenhoff,
national sales manager -
OEM, says each application
will be custom-engineered.
Peak leads - not average
horsepower - are the limiting
criteria, he points out.
Tough Task
It is estimated that 12 per
cent Or, 4.5 million —of
the 40 million American
women who perform houses
keeping duties are affected
by some type of disability
TRY A
CLASSIFIED
AD!
THEIR THIRST
COMES FIRST
jpVI
«r
WITH
Wfe*/e
AUTOMATIC
LIVESTOCK
FOUNTAINS
Lowest cost, sparkling water
- pipeline cool in summer,
warmed in winter for maximum
consumption ... fastest
gains. Quick recovery, positive
action temperature control,
completely automatic. 70
styles, 26 models. See or
ca 11...
Lester A. Singer
Ronks.PA 1717)687-6712