Boron Is a chemical element with a letter B and an atomic number 5 Boron is included in the elements of the second cycle and at the head of the thirteenth group in the periodic table as a main group element Because its group is called the Boron Group, the element of boron in its

Soil salinity is the high level of salt in the soil Causes of salinity: – Accumulation of excess salts from irrigation water. 2 – the climate trend that allows the accumulation of salt in the soil. 3 – human suspension such as: (A) Deforestation or non-planting because trees absorb soil salts to process photosynthesis.  

Tomato worm, tomato leaf digger or Tota absluta. All of these insecticides originated in South America. This insect was recently identified as the most dangerous insect of tomato production, especially in Europe, the Mediterranean and the Levant, where it was a major cause of the collapse of tomato production in Syria and Jordan. The lesion

Nematodes are a type of worm that is destructive to plants. These nematodes flourish in sandy soils; these nematodes have a wide spread in many crops, vegetables, mental crops and trees such as citrus and grapes.   Cause of injury: The presence of worm nematodes in the soil. Symptoms: 1- Overall weakness in vegetative growth. 2 –

What is anorexia? Is a type of small insects that feed on plant, but on the plant juice as farmers consider it harmful insects and harmful to the plant.   How to infect the plant with the insect:  Sometimes an ant is present with ants. Some ants use an insect to provide foodBut how this

First, what is root rot? Rhizoctonia solani is an fungal disease affecting both the internal and external plants, but the most susceptible to infestation is the internal plant.   How to get this disease:The cause of this disease is bad irrigation or its abundance. As well as a mushroom called (Rhizoctonia solani) Causes of infection:1-