This archive report was first published on 19 October 2019.
Published on October 19, 2019, by ANN MACHARIA, a renowned author.
Roots are the unsung heroes of plant growth, responsible for feeding the plant, storing food, and providing support. However, when roots are damaged, the consequences can be severe.
A French beans farmer in Ongata Rongai recently experienced this firsthand. She had started weeding before all the seeds had germinated, disrupting the rooting system and leading to seed abortion.
Land preparation is crucial to prevent weeds from drying up the seeds. Timely planting also ensures that seeds germinate and emerge before weeds grow.
Understanding the germination period of seeds is essential. For example, bean seeds take between seven and eight days to germinate, and the soil should not be disturbed during this time.
By the 10th day, farmers should consider gapping the seeds if too few have germinated. Alternatively, they can acquire certified seeds for uniform germination.
Roots are affected by pests like nematodes, which cause galls on plants like tomatoes and spinach. This affects the plant's nutrient uptake, as nematodes feed on available nutrients.
Crop rotation and the use of French marigolds can help control nematodes.
Phosphatic fertilizers promote root development, but excessive application can scorch roots. Farmers should apply the required quantity based on soil nutrient availability.
Roots are also vulnerable to waterlogging, which can cause root rot. Adequate watering is essential, but too much water can lead to oxygen deficiency and root damage.
By following these tips, farmers can protect their plant roots and achieve high yields.
