User guide
SEEDHAWK®30SERIESOPERATOR’SMANUAL93
4.30 CROPRESIDUECONSIDERATIONS
Seeding into fields with heavy residue is challenging, but residue cover is essential to the
successof azero‐till croppingsystem. Ideally,the strawheight from thepreviousyearwillbe
lessthanorequaltothewidthoftheSeedHawk
Drillrowspacing.
Foroptimumresults,thecombineshouldchopthestrawandspreadthestrawandchaffevenly
acrosstheentireswathwidth.Thefertilizerandseed kniveswillcatchanddragsmallamounts
of crop residue whileseeding.Somesmall clumpsof strawmay be depositedalong theseed
rowmakingthefinishedseedbedappearrough.
IMPORTANT:Avoid harrowing after seeding with the Seed Hawk Drill.Harrowing after
seeding can drasticallyalter seed depth.Althoughtemptingtoharrowto smoothoutstraw
clumps,theseclumpswillsmoothoutovertimeandexposuretotheweather.
Increased humidity will reduce the ease with which the straw will flow around the knives.
Increasedhumiditynearthesoilsurfaceismorecommon
duringthefirstfewyearsofzero‐
till.This isdue to lower soil porosity and infiltrationrates. With time,the soil porosity and
infiltrationrateswillrise,andthehumiditywilldecrease.