D3o—Lancaster Fanning, Saturday, June 6,1981 Equipment is critical in herbicide incorporation KEWANEE, D. Many factors affect proper herbicide application and incorporation, but equipment is the most critical. As chemical incorporation becomes more popular among farmers, many herbicides that were once recommended only for surface application are now available for incorporation. Surface blending offers the ad vantages of reinforced weed control and higher speed ap plication with larger equipment. One of the most commonly used implements for chemical in corporation is the field cultivator. The cultivator does not toss soil as much as a disk because it uses a side-to-side soil movement. It can also be set to disturb only the top few inches of soil. Like any farming practice, chemical incorporation must be done properly to be effective. “The most critical factors af fecting proper incorporation are equipment, equipment operation, and soil condition,” says Tom Kmep, design engineer for Kewanee Machinery Division. Kmep offers the following suggestions to insure successful chemical application and in corporation. PROPER EQUIPMENT Proper shanks and shank spacing are important to insure even herbicide coverage. It is best to have three or more rows of shanks spaced no more than 7 inches apart. It is equally un- Introducing The ALL NEW HONEY BROOK NATURAL 20 ENERGI BLOCK For Dairy And Beef Cattle Net Wt 50 Lbs GUARANTEED ANALYSIS Crude Protein. Minimum Crude Fiber, Maximum Crude Fat, Minimum Calcium, Maximum Calcium, Minimum Phosphorus Minimum Salt Vitamin A Vitamin D Vitamin E Sugar as Invert 20 percent 5 percent 1 percent 2 5 percent 1 5 percent 2 percent None 25,000 DSP per LB 5 000 USP per LB 10 IU per LB 40 percent FOR ADDITIONAL INFORMATION ■* portant the shanks be uniformly spaced on each bar. “True 6 inch spacmg insures streaks or ridges are not left in the field,” says Kmep. “Shanks with sweeps provide better soil mixing than chisel points,” Kmep adds. “Sweeps should be at least as wide as the shank spacmg for even coverage. Farmers should also make sure that the sweeps are sharp and new as worn sweeps will be less ef fective.” Most field cultivators are built in three sections. However, on the larger machines, five sections are preferable. Added sections help keep the cultivator level so it can evenly run over rolling contours. “A long hitch, walking beams on each section, and gauge wheels on the front of the cultivator also help keep it running level through rocks or depressions,” explains Kmep. “Floating wings allow shanks on the outer wings to maintain the same depth as shanks on the mam frame.” Because not all cultivators are built with herbicide incorporation in mind, it is a good idea to check these features when making a purchase. OPERATION FACTORS Running depth is one of the main considerations in incorporation. The cultivator should operate at a depth of only two to three mches. “The top few inches of soil are where most weed seeds germinate and therefore herbicide placement INGREDIENTS Beet Molasses Soybean Meal Phosphoric Acid Calcium Oxide, Zinc Sulfate Ferrous Sulfate, Manganese Sulfate Copper Sulfate Ethylenediamme Dihydroiodide (source of iodine) Cobalt Sulfate, Vitamin A Palmitate, Vitamin D Supplement Vitamin E Supplement Soy Oil Contains NO UREA-AH Natural Protein Remember... ENERGIBLOCK con tains no salt and is not affected by the weather. CALL US. ZOOK MOLASSES CO. WEST MAIN ST., BOX 160 HONEY BROOK, PA. 19344 Phone 215-273-3776 or 717-393-3987 Call toll free in area code 215 & 717 in this area provides the most effective control,” Kmep explains. Optimum speed for herbicide incorporatioon with a field cultivator is from 5-7 miles per hour.” These speeds are possible because the machinery is operating at such a shallow depth. However, faster speeds should be avoided because the herbicide could windrow between sweeps in the last row resulting in poor horizontal distribution. Maintaining levelness from side to side as well as front to back is also important m order to avoid streaking. This is where the walking beams and floating wings are advantageous, Kmep explains. Make sure each row of shanks is operating at the same depth. If the rear row is operating deeper than the front two, untreated soil will be brought to the surface, reducing herbicide effectiveness. “Two passes with the field cultivator are usually recom mended for even application,” advises Kniep. “When using two passes, the second should be at an angle to the first rather than parallel. This will prevent her bicide banding.” If the farmer elects to use one pass incorporation for a reduced COWTOWN RODEO EVERY SAT. NIGHT-7:30 P.M. At Cowtown on Route 40 Woodstown, NJ (8 mi. E. of Dei. Mem. 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Rt 501 IVi Miles South of Phone (717) U 6-4595 Schaefferstown PA '/> mile west Myerstown Phone 717 949-6*17 West Mam St WES STAUFFER SALES & SERVICE RD 3 Ephrata PA Phone (717) 73* 4215 Ephrata Exit New Rt 222 '/7 Mile West on Rt 322 Turn left unto Pleasant Valley Rd tillage program, there are ad ditional considerations. Correct speed and depth become especially important. “Because the herbicide has to be distributed and mixed in only one pass, all of the equipment features that provide level running and even mixing become more critical,” notes Kniep. SOIL CONDITION Soil should be dry for best chemical incorporation. Moist soil will clump and compact, preventing even herbicide distribution both horizontally and vertically. Soil texture is another important consideration. Herbicides tend to attach to clay particles in soil. Rain or Shine in* j [FREE DEMONSTRATION 'Cham Saw - Concrete & | Metal Saw Rentals A & B SALES & SERVICE Heavier textured soils absorb more so the rate of application should be higher than in light sandy soils. It is best to check the soil texture guidelines on the label of the herbicide and uniformly apply at the suggested rate. “Keep in mind that herbicide rates may need to be increased slightly for a reduced tillage system to give weed control comparable to conventional tillage,” adds Kniep. Successful herbicide in corporation depends on the far mer. Careful attention to using proper machinery and operating methods will make the difference between a spotty, streaked fiek and a clean field with consisten weed control. NEED SOMEONE WHO CAN FILL THE SHOES? Try A Help Wanted Ad In Classified. 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