The effects of "starter" fertilizer injection on the growth and yield of drilled vegetable crops in relation to soil nutrient status

abonos abonos npk crecimiento croissance engrais engrais npk exigence des plantes fertilidad del suelo fertilizers growth hortalizas injection legume necesidades de las plantas npk fertilizers nutrientes nutrients plant requirements plantule potasio potassium seedlings soil fertility substance nutritive vegetables