diff --git a/.idea/misc.xml b/.idea/misc.xml
index 8d93904..6c75bb3 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="ProjectRootManager" version="2" project-jdk-name="Python 3.9" project-jdk-type="Python SDK" />
+  <component name="ProjectRootManager" version="2" project-jdk-name="Python 3.10 (Traktor)" project-jdk-type="Python SDK" />
 </project>
\ No newline at end of file
diff --git a/source/area/constants.py b/source/area/constants.py
index 99a9fcd..1aff5be 100644
--- a/source/area/constants.py
+++ b/source/area/constants.py
@@ -3,7 +3,7 @@ import pygame
 
 WIDTH, HEIGHT = 1000, 1000
 FIELD_WIDTH, FIELD_HEIGHT = 660, 330
-ROWS, COLS = 10, 5
+ROWS, COLS = 20, 20
 # number of tiles in a row and column
 TILE_SIZE = FIELD_WIDTH//ROWS
 PLANT = ""
diff --git a/source/area/field.py b/source/area/field.py
index a17e679..99f57bd 100644
--- a/source/area/field.py
+++ b/source/area/field.py
@@ -21,10 +21,9 @@ def positionFieldElements():
     tractor.y += fieldY
 
 def createTiles():
-    for y in range (0,COLS):
-        for x in range (0,ROWS):
+    for y in range(0, COLS):
+        for x in range(0, ROWS):
             tile = Tile(x*TILE_SIZE, y*TILE_SIZE)
-            tile.randomize_photo()
             tile.randomizeContent()
             tiles.append(tile)
     positionFieldElements()
diff --git a/source/area/tractor.py b/source/area/tractor.py
index 5e1c355..71b0380 100644
--- a/source/area/tractor.py
+++ b/source/area/tractor.py
@@ -2,8 +2,23 @@ class Tractor:
     x = None
     y = None
     image = None
+
 # etc
-    def __init__(self,x,y):
+    def __init__(self, x, y):
         self.x = x
         self.y = y
         self.image = 'resources/images/tractor.png'
+
+    def work_on_field(self, ground, plant):
+        if plant is None:
+            pass  # zasadz cos
+        if ground.pest == True:
+            # traktor pozbywa sie szkodnikow
+            ground.pest = False
+        if ground.weed == True:
+            # traktor pozbywa się chwastow
+            ground.weed = False
+        if ground.water < plant.water_requirements:
+            ground.water += 20
+        if ground.nutrients < plant.nutrients_requirements:
+            ground.nutrients += 20
diff --git a/source/crop_protection_product.py b/source/crop_protection_product.py
new file mode 100644
index 0000000..941d36e
--- /dev/null
+++ b/source/crop_protection_product.py
@@ -0,0 +1,3 @@
+class CropProtectionProduct:
+    def __init__(self, strong_against):
+        self.strong_against = strong_against  # pestycyd, herbicyd
diff --git a/source/ground.py b/source/ground.py
index a564c4c..ccd1292 100644
--- a/source/ground.py
+++ b/source/ground.py
@@ -1,6 +1,26 @@
+import random
+
+
 class Dirt:
-    state = None
+    def __init__(self, water_level, nutrients_level):
+        self.water_level = water_level
+        self.nutrients_level = nutrients_level
+        self.pest = False
+        self.weed = False
+        self.obstacle = False
+        self.pests_and_weeds()
 #   add a couple new properties
 
-# add init, getters,setters
+    def pests_and_weeds(self):
+        i = random.randint(1, 20)   # 5% szans na szkodniki, 10% na chwasty, 5 na obydwa 15 na kamien
+        if i == 1:
+            self.pest = True
+        elif i == 2 or i == 3:
+            self.weed = True
+        elif i == 4:
+            self.weed = True
+            self.pest = True
+        elif i == 5 or i == 6 or i == 7:
+            self.obstacle = True
 
+# add init, getters,setters
diff --git a/source/plant.py b/source/plant.py
index 39f1a6c..1488bd0 100644
--- a/source/plant.py
+++ b/source/plant.py
@@ -1,8 +1,22 @@
+import random
+
 
 class Plant:
-    name = None
+    def __init__(self, name, plant_type, water_requirements, nutrients_requirements, growth_level):
+        self.name = name
+        self.plant_type = plant_type
+        self.water_requirements = water_requirements
+        self.nutrients_requirements = nutrients_requirements
+        self.growth_level = growth_level
+
+    def try_to_grow(self, water, nutrients):
+        if (water >= self.water_requirements) and (nutrients >= self.nutrients_requirements):
+            i = random.randint(5, 12)
+            if self.growth_level+i > 100:
+                i = self.growth_level - 100
+            self.growth_level += i
+
 #   more properties
 
 
 # add init, getters,setters
-
diff --git a/source/tile.py b/source/tile.py
index 1971f7f..fb813ea 100644
--- a/source/tile.py
+++ b/source/tile.py
@@ -1,7 +1,7 @@
 import random
 import os
 
-#path to plant images folder (used in randomize_photo function)
+# path to plant images folder (used in randomize_photo function)
 folder_path = "resources\images\plant_photos" 
 
 
@@ -26,7 +26,7 @@ class Tile:
 
     # called on a created tile
 
-    #choose random photo from the folder:
+    # choose random photo from the folder:
             
     def randomize_photo(self):
         random_photo = random.choice(os.listdir(folder_path))
@@ -39,7 +39,7 @@ class Tile:
         if i == 1:
             self.image = "resources/images/sampling.png"
             self.photo = photo_path
-            #self.photo losuje dodatkowo zdjecie jakies rosliny do danego rzędu
+            # self.photo losuje dodatkowo zdjecie jakies rosliny do danego rzędu
         else:
             self.image = "resources/images/dirt.png"
             self.photo = "resources/images/background.jpg"