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  2. Celebrity tomato - Wikipedia

    en.wikipedia.org/wiki/Celebrity_tomato

    Seeds are typically sown 6-8 weeks before the last frost date. [9] Seed germination usually occurs between 6-10 days. High yields of this plant are achieved by maintaining an appropriate soil pH level of 6.2-6.8. [11] Application of Fertilizer is recommended to the soil when the plant begins flowering.

  3. Soil pH - Wikipedia

    en.wikipedia.org/wiki/Soil_pH

    Red = acidic soil. Yellow = neutral soil. Blue = alkaline soil. Black = no data. Soil pH is a measure of the acidity or basicity (alkalinity) of a soil. Soil pH is a key characteristic that can be used to make informative analysis both qualitative and quantitatively regarding soil characteristics.

  4. Soil acidification - Wikipedia

    en.wikipedia.org/wiki/Soil_acidification

    Soil acidification. Soil acidification is the buildup of hydrogen cations, which reduces the soil pH. Chemically, this happens when a proton donor gets added to the soil. The donor can be an acid, such as nitric acid, sulfuric acid, or carbonic acid. It can also be a compound such as aluminium sulfate, which reacts in the soil to release protons.

  5. Rutgers tomato - Wikipedia

    en.wikipedia.org/wiki/Rutgers_tomato

    The Rutgers tomato (Lycopersicon lycopersicum), also known as the Jersey tomato or the Rutgers Select, was the most popular tomato variety in the world before the era of mechanized farming began a change in breeding for durability over flavor. It is an open pollinated beefsteak from the family Solanaceae with an excellent balance of acidity to ...

  6. Potassium deficiency (plants) - Wikipedia

    en.wikipedia.org/wiki/Potassium_deficiency_(plants)

    Potassium deficiency, also known as potash deficiency, is a plant disorder that is most common on light, sandy soils, because potassium ions (K +) are highly soluble and will easily leach from soils without colloids. [1] Potassium deficiency is also common in chalky or peaty soils with a low clay content. It is also found on heavy clays with a ...

  7. San Marzano tomato - Wikipedia

    en.wikipedia.org/wiki/San_Marzano_tomato

    San Marzano tomatoes originated in the small town of San Marzano sul Sarno, in the province of Salerno near Naples, Italy, and were first grown in volcanic soil in the shadow of Mount Vesuvius. One story goes that the first seed of this tomato came to Campania in 1770, as a gift from the Viceroyalty of Peru to the Kingdom of Naples , and that ...