Even if the sunflower needs are low to moderate, to avoid any fertilization is not suitable. Contact your local technician for advices
Specific of sunflower for each ton of grains is: 20-35 kg N; 3-7 kg P; 4-16 kg K. Fertilization scheme should be tailored based on the estimated grain yield, previous crop and soil fertility
Sunflower is sensitive to Boron deficiency, especially under drought and warm conditions. Prefer a Boron spraying at Tractor Path Limit (TPL)
Weeds and diseases management :
Contact your local technician for advices
Extend the crop rotations : 1 sunflower every 4 years
To control weeds & broomrape, follow the BASF recommendations
To control broomrape, imidazolinone herbicide application is recommended at stage of 6-8 leaves of the crop, dose: 1,2 l/ha.
Do not wait « over maturity » stage to harvest
Optimal harvest stage is between 9% and 11% grain moisture
(source Terres Innovia)
Synthesis Results from Alta seeds Research and Development trials in Europe area.
Ratings are based upon a number of years testing in numerous locations. Adverse agronomical practices environmental conditions and planting dates may alter hybrid's performance, maturity, and resistance to certain diseases and insects.