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目前显示的是标签为“soil”的博文

What do Microorganisms work in the soil?

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Microorganisms are all tiny creatures that are invisible or invisible to the naked eye. They are tiny and simple in structure. They usually use optical microscopes and electronics.  The microscope can be seen about 1000 times, but there are also some microorganisms that can be seen by the naked eye, like mushrooms, ganoderma lucidum and other fungi. Microorganisms are varied and they exist in their own unique ways for their own survival and reproduction. Maybe you have never seen microorganisms, but you know how is wine made? How is the digested food absorbed?  How can the straw residue in the field become unrecognizable and even disappear? These are the contributions of microbes. There are many kinds of microorganisms in the soil, including bacteria, fungi, actinomycetes, algae and protozoa. The number is also very large.  There are hundreds to hundreds of billions of soils in one gram of soil. Most of the soil microorganisms are beneficial to the growth of crops....

Are the Nematodes A Friend Or A Foe?

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Nematodes While most of the thousands of species of nematodes on Earth are not harmful, some nematodes parasitize and cause diseases in humans and other animals as well as attack and feed on living plants. However, there are ways to deter these pesky pests from disrupting your garden—like planting  Marigolds To Protect Your Melons.   While most nematodes are beneficial, a few species of these translucent, unsegmented worms are plant parasites. Pest species are only about 1/50 inch long and cause root knots or galls, injured root tips, excessive root branching, leaf galls, lesions or dying tissue, and twisted, distorted leaves. Plants most commonly attacked at the roots include tomatoes, potatoes, peppers, lettuce, corn, and carrots. Plants that sustain leaf and stem injury include chrysanthemums, onions, rye, and alfalfa. What Are They? Often described as wormlike, nematodes are not closely related to true worms. They are multicellular animals with smoot...