darius12318
27.09.2019 •
Biology
Why farmers use leguminous plants? ?
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Ответ:
Why do farmers use leguminous crops to provide nitrogen to the soil? ... But with legumes used as cover crops, the gaseous nitrogen feeds the legumes, which in turn produce carbohydrates on which the bacteria “feed”. When the soil is turned in the fall, the cycle reinforces itself
Ответ:
Beas and peas and lentils and clover and related cover crops have a symbiotic relationship with rhizobacteria. The rhizobacteria exists in soil naturally, but not in sufficient quantities to produce the nitrogen that plants need. But with legumes used as cover crops, the gaseous nitrogen feeds the legumes, which in turn produce carbohydrates on which the bacteria “feed”. When the soil is turned in the fall, the cycle reinforces itself.
Explanation:
Ответ:
The ends of a magnet are called its poles. One end is called the north pole, the other is called the south pole. ... Opposite poles attract each other, but similar poles repel. The Earth acts like a giant magnet
Explanation: