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|標題:||Effects of Different Preceding Crops on the Emergence and Growth of Leafy Vegetables in Cruciferae.|
Cruciferous leafy vegetable is an economically important section in vegetable production in Taiwan. Experiments were conducted to study the allelopathic effects of different preceding crops on the germination and development of three cruciferous short season vegetable, Pak-choi, Ching-chiang pai-choi and Chinese kale. Ten different preceding crops, pak-choi, spinach, water convolvulus, Chinese kale, ching-chiang pai-choi, coriander, garland chrysanthemum, edible amaranth and lettuce, were selected as preceding crops. Each preceding crop was successively grown in a premixed soil for two ties before the said three cruciferous vegetables were tested. Among the ten preceding crops, only spinach had inhibitory effect on the final emergence percentage of Ching-chiang pak-choi. As to plant growth and development, no adverse effects from preceding crops were observed on these three vegetables. Conversely, growth of Chinese kale was promoted by Pak-choi, Ching-chiang pak-choi, edible amaranth, and lettuce. Results indicated that cruciferous leafy vegetables no adverse effects after three times of successive planting.
|Appears in Collections:||第24卷 第02期|
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