(1) 100 square meters (1 hectare of Honda) 98% concentrated sulfuric acid 3 kilograms is poured into 300 kilograms of water, throws the 1% concentration sulfuric acid water to spray on the 100 square meters seedbed the day before the wobble plate sowing. Set the bed soil pH to 4.5 to 5.5. (2) 100 square meters (1 hectare of Honda) 98% concentrated sulfuric acid 9 kg pour into 30 kg of water Compatible with about 25% of the acidified water is divided into 500 kg bed soil sieved, stuffy 24 hours fully mixed 6 to 8 times to make acidified soil sample, and then with 1500 kilograms of sifted soil mixture are piled tightly and spared. Grown Without Shell Pumpkin Seed Grown Without Shell Pumpkin Seed,Aaa Grown Without Shell,Organic Grown Without Shell,Aaa Pumpkin Seed Bayannaoer City Chentai Industry and Trade Co.,Ltd , https://www.chentaifood.com