Effect adding-strengthen the effect of fertilizer and the output of crops.

增效-增强化肥的效用，增加作物的产量。

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At home and abroad. the practice of agricultural prodution shows that the output of crops is obviously raised by using magnetized water to soak seeds, to grow seedlings and to irrigate.

国内外农业生产实践表明，利用磁化水浸种、育苗和灌溉，明显地提高了农作物的产量。

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Yet farmers have responded to the new market signals by switching to less thirsty crops and kept the value of farm output stable. Water productivity has doubled.

不过农夫们因应这种新的市场标志，改种不那么吃水的作物，仍然维持著农田产出的价值稳定，水源生产力甚至翻了两倍。

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Though GM crops still represent only a fraction of the world's agricultural output, their planting is growing at double-digit annual rates.

ECONOMIST: Another gene genie out of the bottle | The

October's harvest is expected to produce only some 2m tonnes of grain, and that is assuming North Koreans do not try to cut the crops before they have fully ripened (maize output doubles in the last few weeks of the growing season).

ECONOMIST: Something on the table in North Korea

On 5% of the world's vegetable-oil farmland it produces 38% of output, more than any of these other crops.

ECONOMIST: The campaign against palm oil