论文部分内容阅读
定西旱地砂田大蒜以辣味纯正、蒜瓣硕大、优质安全,深受消费者青睐,经检测其各项指标均达到无公害产品的卫生标准,现将其栽培技术简要介绍如下:1 注重轮作倒茬、整地施肥大蒜根系浅,对土壤养分和水分吸收能力较弱,因而需要选择地势高、富含有机质、保肥保水性好的土壤,忌连作或与其他葱蒜类重茬,一般每2～3年轮作耕翻1次。在秋季作物收获后,结合耕翻晒土,每亩施足腐熟饼肥100～120千克,优质腐熟圈肥6000千克,优质大蒜专用三元复合肥80千克,该地种植经验表明,大蒜在生长期需充足的氮、钾肥,需磷较少,先将地耕细,整平,上铺5～6厘米的新砂做成平畦,以备播种。2 精细选种和处理种瓣
Dingxi dry sandland garlic with pure spicy, garlic gigantic, high quality and safety, favored by consumers, after testing its indicators have reached the health standards of pollution-free products, and now its cultivation techniques are briefly described as follows: 1 focus on crop rotation, Soil preparation and fertilizer shallow roots of garlic, the soil nutrients and water absorption capacity is weak, so need to choose high terrain, rich in organic matter, fertilizer retention and good soil, avoid continuous cropping or with other onion and garlic stubble, usually every 2 to 3 years Turn rotation for a turn. In the autumn crop harvest, combined with tillage turning the soil, per acre applied foot compost pie fat 100 to 120 kg, high-quality rot dew circle fertilizer 6000 kg, high-quality garlic special compound fertilizer 80 kg, the planting experience shows that garlic in the growth period to be adequate The nitrogen, potash fertilizer, less phosphorus, the first fine tillage, leveling, on the shop 5 to 6 cm of new sand made flat mound, for sowing. 2 fine selection and treatment of species