Good seed soil contact Is essential. Fertilizer attachments are necessary for fertilizer application, either with seed or as a side band application. Increased use of herbicides for weed control requires a convenient to use sprayer with the capability to accurately apply different herbicides with minimum adjustments. Accurate calibration Is essential. Various spray systems are available each with advantages that should be investigated for a particular farming situation and need it is essential a marking system be used while spraying.
Tracks are often hard to follow in stubble and herbicide overlap or skip problems can occur.
Skips may require hand spray control. Excessive trash, especially chaff, can prevent adequate drill penetration, resulting in poor germination and crop growth. Several chaff and straw spreader devices are available. They do an adequate job with proper adjustment. A follow-up harrowing is often done to increase residue uniformity.