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Then, using the initial soil pH and the aluminium content, the amount of lime needed to raise the pH to a desired level can be calculated. [68] Amendments other than agricultural lime that can be used to increase the pH of soil include wood ash, industrial calcium oxide , magnesium oxide, basic slag (calcium silicate), and oyster shells.
Soil acidification naturally occurs as lichens and algae begin to break down rock surfaces. Acids continue with this dissolution as soil develops. With time and weathering, soils become more acidic in natural ecosystems. Soil acidification rates can vary, and increase with certain factors such as acid rain, agriculture, and pollution. [1]
Phoenix dactylifera, commonly known as the date palm, [2] is a flowering-plant species in the palm family Arecaceae, cultivated for its edible sweet fruit called dates. The species is widely cultivated across northern Africa , the Middle East , the Horn of Africa , Australia , South Asia , and California . [ 3 ]
A well chosen offshoot will not only guarantee a female fruit bearing palm tree but also inherit the same qualities of its mother plant. [5] The date trees in the region of the Fourth Cataract attain an age of up to 150 years and consist most often of multiple shoots from a single clump called Bu'rah or Hufrah (بؤرة or حفرة). [6]
Soil pH should be tested, and corrected if needed, because calcium deficiency is often associated with low pH. [14] [15] [citation needed] [16] Early fruit will generally have the worst symptoms, with them typically lessening as the season progresses. Preventative measures, such as irrigating prior to especially high temperatures and stable ...
Get ready for all of today's NYT 'Connections’ hints and answers for #548 on Tuesday, December 10, 2024. Today's NYT Connections puzzle for Tuesday, December 10, 2024The New York Times.
President-elect Donald Trump, after rejecting House Speaker Mike Johnson's plan to avoid a government shutdown, worked the phones on Thursday, showing wavering confidence in Johnson and claiming ...
On some soils, the phosphorus nutrition of some conifers, including the spruces, depends on the ability of mycorrhizae to take up, and make soil phosphorus available to the tree, hitherto unobtainable to the non-mycorrhizal root. Seedling white spruce, greenhouse-grown in sand testing negative for phosphorus, were very small and purple for many ...