There are a lot of tips on how to care for or improve our crops, circulating in the network, but it is interesting to note that many times these are false myths that have little to do with reality. Nor is it to be extremist, anyone, even ourselves, we have sinned regarding you ever. We will review 10 false myths of gardening and horticulture then. The best weapon to deal with most of the bad advice is usually the use of common sense.
For a time it is advised to seal the cuts of the pruning with tar or other preparations similar. The idea was to prevent infections, but currently more recent research supports the opposite idea as they declared that painting the cuts can be harmful. Plants are living beings and need to heal their wounds like any other. This does not mean, however, that in certain cultures and situations it is convenient to paint the cuts of the pruning as it occurs in the cherry, plum or oak to prevent certain fungal diseases in places rainy.
We tend to think that all organic pesticides are safe. Keep in mind that some plants secrete poisons most powerful on the planet. Rotenone extracted from the roots of a legume that is six times more toxic than a pesticide chemical with a similar action. Nicotine has a high toxicity to mammals. In conclusion you have to be careful in the choice of the organic pesticide we are going to use and especially to use it with the same precautions that one chemical.
Amend clay soils with arema is a recommended practice usually in certain areas. It is not at all advisable as we will never get that both materials are mixed, the sand is inflitra between the cracks of clay soil and to get wet together form a kind of mortar. The only way to amend a clay soil is by adding manure or compost.
Watering to midday has been considered as a bad practice, but in reality it is not so harmful as intended. What is certain is that when the sun is at the top do not wet the leaves of the plants and above all it is a practical little efficient because the water evaporates more quickly.
Planting trees in deep holes that they would have more stability. Well it is not that the hole is deeper but more width gives more stability to the tree. The diameter of the hole where we will be planting a tree must be at least twice the diameter of the root ball.
Fill in the hole where we planted the tree with manure or compost. The idea comes from the desire of the gardener to provide food for their trees, but the planting time is not the most appropriate for this purpose. In addition, we are avoiding that the roots grip the earth, and in the case of using manure or compost are not cured properly we can burn the roots.
To think that in the xeriscape it is not necessary to water the garden is another misconception. Obviously will need a lot less because we use plants that need less irrigation. But keep in mind that especially during the first year we will have to be careful with the watering of the lavender, yarrow, sage, and the majority of plants used in this landscape style. Even succulents and cacti need some watering to survive.
To plant two fruit trees of the same type is not necessary in a large majority of species. Some fruit trees need cross-pollination, but a large majority are selfed. Just be informed about prior to incurring the expense of buying two copies of each variety.
To think that with the fertilizer we can revive any plant is another thought, very extended. The plants have a life cycle that must be respected and that cannot be reversed. There is to find out the reason for the decline of the plant before you go to a fertilizer, you may find yourself under the effect of a pest or disease. Excess fertilization can be counterproductive by causing stress in the plant.
Add sugar or baking soda to get tomatoes more sweet is not a scientific practice. The variety of tomato and sun exposure yes that seem to have to do with its sweetness. It does not appear that the pH of the soil has much to say about it. Tomatoes prefer a soil slightly acidic with a pH of 6 to 6.8 so it is not advisable to add baking soda unless you have a soil really acidic.