diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7bff9599e..50f6ec785 100755
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # Refined Storage Changelog
 
+### 0.7.9
+**Bugfixes**
+- Fixed not being able to place sugar cane
+- Fixed not being able to place seeds
+
 ### 0.7.8
 **Bugfixes**
 - Updated to Forge 1951
diff --git a/src/main/java/refinedstorage/container/slot/SlotSpecimen.java b/src/main/java/refinedstorage/container/slot/SlotSpecimen.java
index 2c9210bd7..e936b08c4 100755
--- a/src/main/java/refinedstorage/container/slot/SlotSpecimen.java
+++ b/src/main/java/refinedstorage/container/slot/SlotSpecimen.java
@@ -1,12 +1,20 @@
 package refinedstorage.container.slot;
 
+import net.minecraft.block.Block;
+import net.minecraft.block.state.IBlockState;
 import net.minecraft.entity.player.EntityPlayer;
+import net.minecraft.item.Item;
 import net.minecraft.item.ItemBlock;
 import net.minecraft.item.ItemBlockSpecial;
 import net.minecraft.item.ItemStack;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.world.IBlockAccess;
+import net.minecraftforge.common.IPlantable;
 import net.minecraftforge.items.IItemHandler;
 import net.minecraftforge.items.SlotItemHandler;
 
+import java.lang.reflect.Field;
+
 public class SlotSpecimen extends SlotItemHandler {
     public static final int SPECIMEN_SIZE = 1;
     public static final int SPECIMEN_BLOCK = 2;
@@ -30,7 +38,7 @@ public class SlotSpecimen extends SlotItemHandler {
 
     @Override
     public boolean isItemValid(ItemStack stack) {
-        return isBlockOnly() ? (stack.getItem() instanceof ItemBlock || stack.getItem() instanceof ItemBlockSpecial) : true;
+        return isBlockOnly() ? (stack.getItem() instanceof ItemBlock || stack.getItem() instanceof ItemBlockSpecial || stack.getItem() instanceof IPlantable) : true;
     }
 
     @Override
@@ -49,4 +57,28 @@ public class SlotSpecimen extends SlotItemHandler {
     public boolean isBlockOnly() {
         return (flags & SPECIMEN_BLOCK) == SPECIMEN_BLOCK;
     }
+
+    public static IBlockState getBlockState(IBlockAccess world, BlockPos pos, ItemStack stack) {
+        if (stack != null) {
+            Item item = stack.getItem();
+
+            if (item instanceof ItemBlockSpecial) {
+                try {
+                    Field f = ((ItemBlockSpecial) item).getClass().getDeclaredField("block");
+                    f.setAccessible(true);
+                    return ((Block) f.get(item)).getDefaultState();
+                } catch (IllegalAccessException e) {
+                    // NO OP
+                } catch (NoSuchFieldException e) {
+                    // NO OP
+                }
+            } else if (item instanceof ItemBlock) {
+                return (((ItemBlock) item).getBlock()).getDefaultState();
+            } else if (item instanceof IPlantable) {
+                return ((IPlantable) item).getPlant(world, pos);
+            }
+        }
+
+        return null;
+    }
 }
diff --git a/src/main/java/refinedstorage/tile/TileConstructor.java b/src/main/java/refinedstorage/tile/TileConstructor.java
index 5d7c74e82..b74f64b72 100755
--- a/src/main/java/refinedstorage/tile/TileConstructor.java
+++ b/src/main/java/refinedstorage/tile/TileConstructor.java
@@ -1,12 +1,9 @@
 package refinedstorage.tile;
 
 import io.netty.buffer.ByteBuf;
-import net.minecraft.block.Block;
 import net.minecraft.block.SoundType;
+import net.minecraft.block.state.IBlockState;
 import net.minecraft.inventory.Container;
-import net.minecraft.item.Item;
-import net.minecraft.item.ItemBlock;
-import net.minecraft.item.ItemBlockSpecial;
 import net.minecraft.item.ItemStack;
 import net.minecraft.nbt.NBTTagCompound;
 import net.minecraft.util.EnumFacing;
@@ -19,13 +16,12 @@ import refinedstorage.RefinedStorageItems;
 import refinedstorage.RefinedStorageUtils;
 import refinedstorage.autocrafting.CraftingTaskScheduler;
 import refinedstorage.container.ContainerConstructor;
+import refinedstorage.container.slot.SlotSpecimen;
 import refinedstorage.inventory.BasicItemHandler;
 import refinedstorage.inventory.BasicItemValidator;
 import refinedstorage.item.ItemUpgrade;
 import refinedstorage.tile.config.ICompareConfig;
 
-import java.lang.reflect.Field;
-
 public class TileConstructor extends TileMachine implements ICompareConfig {
     public static final String NBT_COMPARE = "Compare";
 
@@ -36,29 +32,7 @@ public class TileConstructor extends TileMachine implements ICompareConfig {
         protected void onContentsChanged(int slot) {
             super.onContentsChanged(slot);
 
-            ItemStack stack = getStackInSlot(0);
-
-            if (stack != null) {
-                Item item = stack.getItem();
-
-                if (item instanceof ItemBlockSpecial) {
-                    try {
-                        Field f = ((ItemBlockSpecial) item).getClass().getDeclaredField("block");
-                        f.setAccessible(true);
-                        block = (Block) f.get(item);
-                    } catch (IllegalAccessException e) {
-                        // NO OP
-                    } catch (NoSuchFieldException e) {
-                        // NO OP
-                    }
-                } else if (item instanceof ItemBlock) {
-                    block = ((ItemBlock) item).getBlock();
-                } else {
-                    block = null;
-                }
-            } else {
-                block = null;
-            }
+            block = SlotSpecimen.getBlockState(worldObj, pos.offset(getDirection()), getStackInSlot(0));
         }
     };
     private BasicItemHandler upgrades = new BasicItemHandler(
@@ -69,7 +43,7 @@ public class TileConstructor extends TileMachine implements ICompareConfig {
     );
 
     private int compare = 0;
-    private Block block;
+    private IBlockState block;
 
     private CraftingTaskScheduler scheduler = new CraftingTaskScheduler();
 
@@ -83,14 +57,14 @@ public class TileConstructor extends TileMachine implements ICompareConfig {
         if (block != null && ticks % RefinedStorageUtils.getSpeed(upgrades, BASE_SPEED, 4) == 0) {
             BlockPos front = pos.offset(getDirection());
 
-            if (worldObj.isAirBlock(front) && block.canPlaceBlockAt(worldObj, front)) {
+            if (worldObj.isAirBlock(front) && block.getBlock().canPlaceBlockAt(worldObj, front)) {
                 ItemStack took = controller.take(filter.getStackInSlot(0), 1, compare);
 
                 if (took != null) {
                     scheduler.resetSchedule();
-                    worldObj.setBlockState(front, block.getStateFromMeta(took.getItemDamage()), 1 | 2);
+                    worldObj.setBlockState(front, block.getBlock().getStateFromMeta(took.getMetadata()), 1 | 2);
                     // From ItemBlock.onItemUse
-                    SoundType blockSound = block.getSoundType();
+                    SoundType blockSound = block.getBlock().getSoundType();
                     worldObj.playSound(null, front, blockSound.getPlaceSound(), SoundCategory.BLOCKS, (blockSound.getVolume() + 1.0F) / 2.0F, blockSound.getPitch() * 0.8F);
                 } else if (RefinedStorageUtils.hasUpgrade(upgrades, ItemUpgrade.TYPE_CRAFTING)) {
                     ItemStack craft = filter.getStackInSlot(0);