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西安地区番茄、黄瓜露地栽培多是在谷雨前后定植.经过调查研究,证明这些夏菜的定植期可以适当提前.番茄、黄瓜适时早栽,不但能够早熟、增产,且由于发根早,植株健壮,抗御病害和灾害性天气的能力强,因之稳产、高产也就能落实在可靠的基础上.例如1973、75年都是番茄条斑病毒病和黄瓜霜霉病的大流行年,1975年又加4月中、下旬长期阴雨,造成黄瓜大量死苗.但这两年番茄、黄瓜适时早栽的,病害轻,死苗少,都能稳产在万斤左右;高产的达到1万5千斤上下.番
In Xi’an area, the cultivation of tomato and cucumber in the open field is mostly planted before and after the valley rain. After investigation and study, it is proved that the planting period of summer vegetables can be advanced properly. The early planting of tomato and cucumber can not only premature but increase the yield, , The ability to resist disease and disastrous weather is strong, so because of stable production, high yield can be implemented on a reliable basis, such as 1973 and 75 years are both tomato stripe virus disease and cucumber downy mildew pandemic year, 1975 But also in mid-April, late long rainy season, resulting in a large number of dead seedlings of cucumber, but the past two years tomato, cucumber timely early planted, disease light, less dead seedlings, can produce stable in about 10000 pounds; high yield reached 15 kilos Fan. Fan