OG13 SC63题请教一下

wudishark

When Congress reconvenes, some newly elected members from rural states will try to establish tighter restrictions on the amount of grain farmers will be allowed to grow and to encourage more aggressive sales of United States farm products overseas.
这是正确答案代入后的句子，看不太懂句子结构，麻烦会的同学讲解一下这句子结构可以吗 谢谢了

wudishark

非常感谢 will try to establish tighter restrictions on the amount

of grain farmers will be allowed这里的farmers will be allowed不是一

个从句么？