Although yield is obviously important to farmers, even more crucial is hedging their bets against famine, spreading the risk by growing many crops, over many seasons, in many locations.
尽管产量显然对农民很重要，但对抗饥荒更关键的是别把赌注下在一种作物上，要通过在多个地方、多个季节里种植多种作物来分散风险。
Soil salinity affected on crop grain yield more seriously than on dry matter formation, so saline soil is more suitable to growth of forage crops.
土壤盐分对玉米籽粒产量的影响远大于对干物质形成的影响，因此盐碱地更适宜于种植饲料作物。
Soil salinity affected on crop grain yield more seriously than on dry matter formation, so saline soil is more suitable to growth of forage crops.
土壤盐分对玉米籽粒产量的影响远大于对干物质形成的影响，因此盐碱地更适宜于种植饲料作物。
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