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How to control the grey field snail? Mastering these methods is very effective
How to control the grey field snail?
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What are the morphological characteristics of the grey jujube? A detailed guide
Morphological characteristics of the grey jujube
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Echeveria runyonii is a succulent belonging to the Crassulaceae family
Echeveria runyonii is a succulent of the genus Echeveria in the Crassulaceae family, native to Mexico. The plant is not large, with a short stem, spoon-shaped grey-white leaves that are thick and grow vertically. The leaf margins have no red color, and it grows rapidly.
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Effects of Girdling and Ring-Barking on the Yield and Quality of Young Grey Jujube Trees
Effects of Girdling and Ring-Barking on the Yield and Quality of Young Grey Jujube Trees. Girdling and ring-barking of jujube branches and trunks are commonly used measures to increase the fruit-setting rate. Ring-barking and ring-cutting have a certain retarding effect on the downward transport of leaf photosynthates along the tree body, affecting root growth...