PiO: care for a sick magnolia, soundproof hedge

How to care for … a sick magnolia

P:Magnolia has been growing on my plot for 5 years. I believe that it is not developing properly, although it has a nice, spreading crown and is about 1.5 m tall. In the latter part of summer, the tips of the magnolia leaves turn brown and die, so there is no growth. Inside the crown, the leaves are fairly normal. A year ago, I changed its position, changed the soil to slightly acidic, supplemented it with compound fertilizer and this year history repeated itself, leaves turn brown and no growth. What to do?

O:Browning of magnolia leaves may becaused by over-fertilization In this case, abundant watering will be beneficial to rinse the excessfertilizerfrom the substrate. Besides, immediately afterplantingortransplantingplants should not be fertilized because their root system is not yet fully developed. It would be good to have a soil sample for testing in order to determine the fertilization needs. Such samples are taken to the Chemical and Agricultural Station, which is located in each voivodeship city.

When using multi-component fertilizers for magnolia, such as Azofoska, we spread them every 2 weeks from the end of March to mid-July. We apply slow-release fertilizers, such as Osmocote, once a year in spring. Magnolia has a shallow root system, therefore it is sensitive to drought and reacts to itshedding leavesTo keep moisture around the plant, the soil needs to be mulched with fermented bark and remember owatering

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The expanded magnolia bush can easily outshine other plants in the garden with its beauty (Image: Fotolia.com)

Non-standard question: how to separate a house from a highway?

Q:I live 20 meters from a two-lane road with very heavy traffic. In front of the house, on the side of the two-lane road, there are 5 rows of spruces and 4 rows of thuja, about 4 meters high. I would like to advise you, would it be better to cut down all the trees or leave them?

O:High hedges separating highways from human settlements are essential to dampen road noise and reduce the access of dust and other debris. Plants growing closest to the road should be resistant to soil salinity, because in winter, in order to maintain black surfaces, these roads are sprinkled with s alt.These plants include deciduous trees and shrubs, such as:maplefield Acer campestre,pear tree commonPyrus pyraster,willow laurelSalix daphnoides,robinia akacjowaRobinia pseudoacacia,boxwoodevergreen Buxus sempervirens,karagana siberianCaragana arborescens,perukowiec podolskiCotinus coggygria,olives narrow-leavedisilvery Eleagnus angustufolia i commutata,sea buckthorn narrow-leavedHippophae rhamnoides, currantgoldenRibes aureum, roses wild ,bez blackSambucus nigra i tamaryszekTamarix. For planting at a greater distance from the road itself, e.g. across the sidewalk, from conifers, we recommend sprucespricklyandSerbianPicea pungens i omorica,pine blackPinus nigra,fir CalifornianAbies concolor,Douglas firPsudotsuga menziesii,Juniper ChineseJuniperus chinensis icisa commonTaxus baccata.

Sprucecommonandthymerather should not grow in the immediate vicinity of the expressway. If they are already there, you need to take special care of them and remember to water them systematically, especially duringdrought , and to regularly supply them with fertilizers intended for conifers. The specimens that grow in the first two rows by the road can be replaced with the above-mentioned deciduous trees and shrubs.

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