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- With adequate irrigation before seeding and no irrigation during wheat growth, four fertilization treatments at different soil depths, i.e., 10 cm, 10 cm+30 cm, 10 cm+30 cm+50 cm, and 10 cm+30 cm+50 cm+70 cm, were set up. 在充足底墒水、冬小麦生育期内旱作条件下,设计了4个不同土壤剖面层次施肥处理,即10cm土层施肥、10cm+30cm土层施肥、10cm+30cm+50cm土层施肥、10cm+30cm+50cm+70cm土层施肥,每个土壤剖面层次的施肥量相同,研究了分层施肥对旱作小麦光合特性及产量的影响。
- irrigation before seeding 播种前灌水,播前灌溉
- The land must be plowed before seeding. 播种以前必需先松解田地。
- In some countries, the priest blesses the fields before seed is sown. 有的国家在播种前，牧师祈祷降福于土地。
- It was not long before seeds of descent took root. 没过多久,反抗的种子开始生根。
- Do a lab soil test before seeding so that results are in hand prior to establishment day. 在播种前做一个土壤分析,在播种时拿到土壤分析报告。
- Traditional management of Carya cathayensis is semi - wild extensive management,one tending only in on - year before seeding. 传统山核桃林分为半野生状态的粗放经营，仅在结实大年采果前林地劈山抚育1次。
- The correlations among them were analyzed. [Result] The main results were as follows: before seeding, the number of microorganisms were largest in sandy loam and smallest in clay. [结果]玉米播种前，砂壤中的微生物数量最多，重壤中最少；
- The results showed that as compared with no irrigation, furrow irrigation before wheat sowing improved the sprouting rate of wheat, and increased young-ears number and grain number of each ear. 结果表明：少量灌水使沟播春小麦出苗率提高，小穗数及穗粒数增加；
- NbspIn the countryside, the period before seed planting and after harvest is usually a good time for the entertainment and festivities of villagers. 在乡村,下种之前或收割之后,常常是村民娱乐或喜庆的时节。
- The thick epicarp of Helicia nilagirica is a restricted factor for its seed germination, it could be shucked off before seeding so as to accelerate germination and raise seed germinated rate. 摘要药用植物母猪果种子外果皮较厚，进行种子繁殖时，剥去外果皮可以提高种子的发芽率。
- As a matter of fact, I've never been there before. 事实上我从未到过那儿。
- We started early in order to arrive before dark. 为了在天黑前到达，我们很早就动身了。
- We used the money to set up an irrigation project. 我们把钱用在兴建灌溉工程上了。
- They are digging irrigation ditches. 他们在挖灌溉渠。
- The clerk marked up his daybook before going home. 办事员在回家前记好当天的日记帐。
- Let's dunk in the pool before dinner. 我们饭前到池塘里泡一会儿。
- I was inspired to work harder than ever before. 我受激励比以往任何时候都更加努力地工作。
- The fox ran away before the hunter shot it. 那只狐狸在猎人向它射击前跑掉了。
- Let's clean down the board before we paint it. 让我们在上漆以前把这块板洗干净。
