It has been treated with herbicides and some fertilisers, but not up to the standard of the most recent agronomic practices, nor is it the highest-yielding semi-dwarf wheat variety.

这些地曾使用除草剂，也施了些肥，但还够不上近期采用的农艺措施标准，也不是半矮杆麦类产量最高的。

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Borlaug's new semi dwarf, disease resistant varieties, called Pitic 62 and Penjamo 62, changed the potential yield of Mexican wheat dramatically.

Borlaug 新型半矮秆抗病品种，被称为 Pitic 62 和 Penjamo 62，极大地改变了墨西哥小麦的潜在产量。

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Wheat yellow dwarf disease is a major disease in China.

小麦黄矮病是中国小麦产区的重要病害之一。

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The Rockefeller Foundation's bet on dwarf wheat and penicillin ensured that billions of people were fed and kept healthy.

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After the second world war, dwarf varieties of wheat and rice (which overcame the problem that heavily fertilised crops in hot countries grew too tall and fell over) boosted developing-country output.

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So Mr Borlaug first bred wheat cultivars for rust-resistance, a ten-year task, and then crossed them with Norin, a dwarf Japanese variety, to produce a shorter, straighter, stronger wheat which, when properly charged with water and fertiliser, gave three times the yield.

ECONOMIST: Norman Borlaug