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国以农为本,农以种为先。农作物种子是最重要的农业生产资料,处于种植业的产业链上游,优良品种对提高作物单产和改善品质起着至关重要的作用。我国是一个农业大国,常年农业用种量在120亿千克以上,种
The country takes agriculture as the basis, and agriculture takes the first place. Crop seeds are the most important agricultural means of production and are in the upper reaches of the industrial chain of crop cultivation. Fine varieties play an important role in improving crop yields and improving quality. Our country is a large agricultural country with annual output of more than 12 billion kilograms of agriculture and species