High-yielding hybrid seeds, grown with chemical fertilizers, helped.

用化肥种植的高产杂交种子起到了助益。

He drives 2,000 miles a week promoting his hybrid seeds.

他每周驱车行驶两千英里来推销自己的杂交种子。

In one plot, Balde planted onions using chemical fertilizer and hybrid seed.

在一块土地上，巴尔德使用化肥和杂交种子种植洋葱。

First, hybrid seed is created when you cross two seeds together.

第一，你将两种种子杂交 就会产生杂交种子。

It's called a hybrid seed, the finest seed you'll ever put on your land.

这是杂交种 绝对会是您种过的最好的种子。

By contrast, improved agricultural technology, hybrid seeds, scientific animal breeding, and so on have vastly increased the amount of output a typical farmer can produce.

通过对比，提高的农业科技、杂交种子、科学动物繁殖等等都大大增加了一个典型农民能生产的产量。