established crop

A model of genetic programming was established to describe crop water production function.

利用遗传程序自动搜索模型结构能力强的优点，建立了基于遗传程序设计的作物水分生产函数模型。

Since the transgenic technology of pollen tube pathway method was formally established, it has been widely used in crop genetic improvement.

中国学者创立花粉管通道法转基因技术以来，在多种农作物分子育种中得到应用。

Based on crop productivity models established, main crop productivities are calculated and key factors impacted on crop productivities are analyzed.

根据建立的作物生产潜力模型，对宁夏西吉县主要作物的生产潜力序列进行了计算，并分析了影响作物现实生产力的主导因子。