【摘 要】
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The double-cropping system of wheat-rice was the main pattern in the northern of HenanProvince. We studied the triple-cropping system of custard squash-rice-sp
【出 处】
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Chinese Rice Research Newsletter
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The double-cropping system of wheat-rice was the main pattern in the northern of HenanProvince. We studied the triple-cropping system of custard squash-rice-spinach in 1994-1996.Results showed that the new system had good economic, social, and ecological effects.1)Economic effects: Apart from the production of rice in the system, spinach yielded 18 000
The double-cropping system of wheat-rice was the main pattern in the northern of Henan Province. We studied the triple-cropping system of custard squash-rice-spinach in 1994-1996.Results showed that the new system had good economic, social, and ecological effects.1) Economic effects: Apart from the production of rice in the system, spinach yielded 18 000
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