Garlic should be planted in sandy loam soil that is fertile, loose and well-drained. Sowing period from August to mid-September, for green garlic cultivation should be early to mid-August before sowing, for garlic and garlic cultivation can be in late August to early September before sowing. Before sowing should be sufficient fertilizer, generally mu Shi rotted pig, sheep, duck manure and other farmyard fertilizer more than 2000 kg, 30 kg of calcium superphosphate, potassium sulfate 5 kg, acidic soil should also apply lime 50 ~ 70 kg, to regulate soil pH. After tilling and harrowing to make the bed, the width of the bed is 1.4 meters (even ditch). Before sowing, use 50 percent of the grass net powder 100 grams of water to spray the border to prevent weeds.
Dongyang city garlic varieties are mainly Chengdu two water early and Sichuan Yunding early. The two varieties are green garlic, garlic moss, garlic, both types, belong to the early maturity varieties. Generally in October to March harvest green garlic, March to April harvest garlic moss, May to June harvest garlic. Mu with the amount of seed garlic cloves 50 to 70 kilograms. And the size of the garlic cloves should be graded, in order to facilitate the growth of seedlings consistent. Row spacing 15 cm × 10 cm, garlic cloves inserted into the soil Qi mud can be. After sowing, cover the pig pen with fertilizer or straw, and apply thin human and animal manure. Later, pay attention to watering moisture, in order to facilitate the emergence of seedlings, generally 10 to 15 days to seedlings. Garlic needs more fertilizer, seedling height of 3 ~ 5 cm should start fertilizer, each mu Shi human urine 1000 kg or urea 10 kg, every 15 days, even applied 3 ~ 4 times. Seedlings can be harvested 2 months after the green garlic, harvesting until March, generally more than 1000 kg of green garlic per mu can be harvested. Every harvest of green garlic should be fertilizer, in early March and the end of March to be applied once a heavy fertilizer, each mu with urea 15 kg of water watering, in order to promote the growth of garlic moss and garlic.
Garlic diseases are mainly white rot, leaf blight and purple spot disease. When it occurs, it can be sprayed with 70% metribuzin or 50% carbendazim water to prevent and control. Pests are mainly garlic maggots, onion thrips, etc. Garlic maggots can be used to 50% phoxim 500 times liquid root irrigation, onion thrips can be used to 40% Rogaine or 80% dichlorvos prevention and control.
April to June garlic expansion period to moderate fertilizer, to the late expansion of garlic to stop fertilizer watering, and pay attention to field drainage, so as not to cause garlic skin rot and lead to scattered cloves. Garlic moss can be harvested when it grows out of the leaf sheath about 10 centimeters, generally about 200 kg per mu. When the garlic leaves yellow, choose a sunny day to pull up the whole garlic plant, tied into bundles, hanging in the shade or listed for sale.