A yield of cherries of each mu of cherry tree land applied with a bag of the compound fertilizer (containing 39% of nitrogen, phosphorus and potassium) specially used for cherry trees is higher than a yield of cherries of each mu of cherry tree land applied with 3 to 5 bags of urea....
Xenon lamps were selected since they are rich in both UV and visible light output. Corning Glass optical filters were used to isolate the various wavelength regions so that either the deactivation or color forming processes predominated. Exposure through the Corning 7-54 filter (colored deep ...
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The leaves usually are pinnately compound (feather formed), sometimes trifoliate (with three leaflets), or palmate (the leaflets radiating from a common point). The leaves of a few species are simple or reduced to scales. The fruit is typically a legume, or pod, which splits open as it ...
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Tobacco, a pivotal economic crop in China, faces the challenge of securing high-quality raw materials for its industry due to unbalanced and inefficient nitrogen (N) application. To assess the impact of fertilizer management and soil factors on the yield
For regions with nitrogen-rich soils, actions should focus on decreasing the amount of nitrogen fertilizer required for agricultural production through, in particular: increasing the nitrogen use efficiency of crop grains; increasing the nitrogen retention efficiency of animals; and decreasing the amount ...
Nitrogenous materials have long been used inagricultureasfertilizers, and in the course of the 19th century the importance of fixed nitrogen to growing plants was increasingly understood. Accordingly, ammonia released in makingcokefrom coal was recovered and utilized as afertilizer, as were deposits of...
Agriculture requires rich soil, but most modern practices are, unfortunately, terrible for it… From the estimable Elizabeth Kolbert (@ElizKolbert) and @nybooks:“The Waste Land.” * Elizabeth von Arnim ### As we go back to basics, we might recall that it was on this date in in 1874...