SOYA BEAN are a traditional crop of China butb have been introduced in a number of other countries they are annual crop and grow to a height of about three feet. It require warm temperature as well as cool temperate climate of about 21°c at the time if harvest and an modrate rainfall around 40 inches it grows best in rich loamy soil which is also suitable for the cultivation of maize crop.it is sown in spring and harvested in late summer near autumn . it adds reliable nitrogen to the soil like groundnuts thus it is often grown as a rotation crop USA. IT is grown extensively in the corn belt as a rotation crop. In China and other countries it is cultivated with other crops. It is a low oil content crop of about 15 to20 percent compared with 65 to 70 percent for palm oil and 35 40 percent copra and groiundnuts but is widely grown as rotation crop.
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