text: from django.contrib import admin
  from django.urls import path, include
  from . import views
  
  urlpatterns = [
      path('', views.index, name='index'),
      path('fertilizers', views.fertilizers, name='fertilizers'),
      path('fertilizers/<int:fert_id>', views.detail, name='fertilizer'),
      path('fertilizers/<int:fert_id>/apply', views.apply, name='apply'),
  ]