Automatic Irrigation System

#include <LiquidCrystal.h>
LiquidCrystal lcd(A0,A1,A2,A3,A4,A5);

int sensor_pin =8;
int motp_pin =6;
int motn_pin =7;

void setup() 
{
  pinMode(sensor_pin, INPUT);
  pinMode(motp_pin, OUTPUT);
  pinMode(motn_pin, OUTPUT);
  Serial.begin(9600);
  lcd.begin(16,2);
}


void loop() 
{
  
  if(digitalRead(sensor_pin) == HIGH)
    { 
  Serial.print("dry");
  lcd.print("SOIL IS DRY");
  digitalWrite(motp_pin,HIGH);
  digitalWrite(motn_pin,LOW);
    }
  
  else 
    {
   Serial.print("WET");
   lcd.print("SOIL IS WET   ");
   digitalWrite(motp_pin,LOW);
   digitalWrite(motn_pin,LOW);
    }
}