Learning how to water plants to increase growth in pots, container or garden - especially how to water roots and tubers. Specialities: root growth or tuber growth of lawns, fuchsias, geraniums, dahlias and begonias.

1 July 2011

Weeding Reduces Both Water Loss And Slug Movement

Dutch hoeWe talked last year about the virtues Dutch hoeing.

SEALS IN WATER
Now, after the recent rains, when the weed seeds in the soil have germinated but not yet seeded, is a perfect time to use a Dutch hoe. Loosening the top half inch (2.5cm) or so of soil will not only kill weeds, but will also break the wicking (capillarity) link between the soil surface and lower layers, thus creating an effective mulch which will both insulate the soil and greatly reduce water loss - it effectively seals the water in.

REDUCES SOIL TEMPERATURE
Loose, airy soil dries very quickly and lightens in colour. Thus, more of the sun's heat is reflected; and what is not reflected cannot conduct down through the loose soil as easily. Hence, the roots can work more effectively.

CONTROLS SLUG MOVEMENT
Slugs do not like moving over loose, dusty surfaces which stick to them, preferring wet conditions. You will notice the difference immediately - they seem to completely disappear. However, they soon return once the surface is wetted again . . . more's the pity.

No comments: