[Python] I want to use the foreign key model as forms in Django forms

I have two models in django farmer and tractor and i want to use both the models in single form on webpage so that with all the properties as there inputs like name, phone, email , id, price etc.

my models.py

class Farmer(models.Model):
first_name = models.CharField(max_length=100)
last_name = models.CharField(max_length=100)
phone =models.CharField(max_length=10)
address = models.TextField(max_length=200)
email_address = models.EmailField()

def full_name(self):
return f"{self.first_name} {self.last_name}"

def __str__(self):
return self.full_name()


class Post(models.Model):
tractor_price = models.IntegerField(max_length=150)
implementation = models.CharField(max_length=50)
purchase_date = models.DateField(auto_now=False)
slug = models.SlugField(unique=True, db_index=True, null=True,blank=True)
tractor_company = models.CharField(max_length=50)
tractor_model = models.CharField(max_length=50)
description = models.TextField(validators=[MinLengthValidator(10)])
date = models.DateField(auto_now=False)
farmer = models.ForeignKey(
Farmer, on_delete=models.SET_NULL, null=True, related_name="posts")


forms.py

from django import forms
from django.forms import ModelForm
from .models import Post,Farmer

class PostForm(ModelForm):
class Meta:
model = Post
fields = ["tractor_price","implementaion","purchase_date","tractor_company","tractor_model","description"]

class FarmerForm(ModelForm):
class Meta:
model = Farmer
fields = ['first_name','last_name','phone','address','email_address']


views.py this is only the form function

def add_post(request):
submitted = False
if(request.method == "POST"):
form1 = FarmerForm(request.POST,prefix="form1")
form2 = PostForm(request.POST,prefix="form2")

if form1.is_valid() and form2.is_valid():
form1.save()
form2.save()
return HttpResponseRedirect("/add_post?submitted=True")
else:
form1 = FarmerForm(prefix="form1")
form2 = PostForm(prefix="form2")
if("submitted" in request.GET):
submitted = True
return render(request,"tractor/form.html",{"form1":form1,"form2":form2, "submitted": submitted})




here is my forms.html

{% extends "base.html" %} {% block content %}
<br />
<h1 style="margin-left: 40px">Add Event</h1>
<br />
{% if submitted %}
<h3 style="margin-left: 40px">Your Form is Submitted</h3>
{% else %}
<div class="form-group">
<form method="POST" action="">
{% csrf_token %}
{{ form1.as_p }}
{{ form2.as_p }}
<button type='submit'> send data </button>
</form>
</div>
{% endif %} {% endblock %}


I am able to submit the form but after submission I am not getting details of farmer like phone, email id etc in database. details of tractor are being saved after submitting but detail of farmer is not bieng saved.

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