The term is used interchangeably with “weed” and a number of other terms. Legally, “marijuana” refers to cannabis that has more than 0.3% THC by dry weight. THC content can vary among ...

Weed suppression is an important factor affecting crop yields. Precise identification of weed species will contribute to automatic weeding by applying proper herbicides, hoeing position determination, ...

Yellow toenails should never be ignored. They're most often caused by a fungal infection that's contagious and hard to eliminate without proper treatment. You can also develop yellow toenails as a ...

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