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- Summer fallow is the best method of destroying weeds. 夏季休耕是消灭杂草的最好办法。
- summer fallow field 夏季休闲地
- The farmer kept his cows in a fallow field. 那农民把他的奶牛放在休闲地里。
- Effects of summer fallow in Guanzhong irrigation area. 关中灌区夏季休闲效果评价。
- During summer fallow, the anti-evaporation rate of NTS was 12.87%, and 18.32% higher than those of CTS and CTB, respectively (P<0.01), the daily evaporation of NTS was 59.85% and 64.14% (P<0.01) lower than that of CTS and CTB, respectively. 在夏季休闲期;NTS的抑制蒸发率比CTS和CTB分别提高12.;87%25和18
- Species-household curve that similar to area-species curve of 3y fallow field showes the minimum sampling percentage were 20% based on the fit and assessment of model curve S=a+blnB. A list of folk utilizable plants found in sampling plots is attached. 采用曲线S =a +blnB作为农户数 -物种数曲线的拟合模型初步确定热带地区 3年轮歇地户级水平农业生物多样性的抽样比例为 2 0%25。
- "These are not fallow fields," says Paul Risley, a World Food Program spokesman based in Thailand. 当老挝和柬埔寨等粮食不安全的国家,还在为养活自己的孩子日夜忙碌时,为外国政府出租大片土地种植水稻有什么意义?
- It was depressing to walk along the road day after day and see desolate land, fallow fields and empty houses, tumbling with decay. 每天走在路上,但见原野空旷,土地荒芜,十室九空,残破不堪,十分凄凉。
- Influence of Different Tillage Practices during Summer Fallow on Soil Moisture in Winter Wheat Field in Luoyang 休闲期不同耕作方式对洛阳冬小麦农田土壤水分的影响
- Influence of Tillage Practices on Soil Moisture of Slop Field During Summer Fallow 不同耕作方式对坡耕地土壤水分的影响
- Summer fallow is the best method of destroying weeds 夏季休耕是消灭杂草的最好办法。
- 2. Summer fallow is the best method of destroying weeds. 夏季休耕是消灭杂草的最好办法。
- The N2O flux was higher in wheat field than in fallowed field, and decreased in the order of film-mulching > routine treatment > single phosphorus fertilization. 管理措施不同,作物对土壤N2O排放通量的影响效应亦不同,麦田小区土壤N2O排放通量高于休耕小区N2O,且覆膜处理>常规处理>单施磷肥处理;
- The crop type had no great effect on hatching of eggs in cysts;the eggs in cysts from fallow fields and the corn and soybean rhizosphere soils could hatch in vitro when conditions were suitable. 不同作物对其根围土壤中胞囊内卵的孵化影响不大,寄主作物大豆、非寄主作物玉米根围及休闲地土壤中的胞囊在条件适宜均可孵出二龄幼虫;
- In conventionally tilled and film-mulched treatments, soil water content was lower in wheat field than in fallowed field, while NH4(superscript +)-N content was in adverse. 在常规施氮和覆膜施氮条件下,小麦田的水分含量均低于休耕地的含水量,但其NH4(上标+)-N含量却高于休耕地。
- The field artillery pounded away at the for tress. 野战炮兵连续炮击那座要塞。
- Camping in summer is just what I have in mind. 夏日野营正是我心里想的。
- It took me all summer to get this tan. 我花了整个夏天才晒出这样的棕褐色。
- Many people like to chew mint gum in the summer. 许多人喜欢在夏天嚼薄荷口香糖。
- I get a feeling of inertia in a hot summer day. 在盛夏我有一种懒洋洋的感觉。