播種間苗機 的英文怎麼說
中文拼音 [bōzhǒngjiānmiáojī]
播種間苗機
英文
drill-and-thinner- 播 : 播名詞(姓氏) a surname
- 種 : 種名詞(姓氏) a surname
- 間 : 間Ⅰ名詞1 (中間) between; among 2 (一定的空間或時間里) with a definite time or space 3 (一間...
- 苗 : 名詞1 (初生的種子植物) seedling; sprout; shoots 2 (初生的飼養動物) the young of some animals ...
- 機 : machineengine
- 播種 : (作物栽培措施之一) sowing; seeding播種季節 seedtime; season of sowing; 播種量 seeding rate; 播...
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Referring to the achievements of conservation tillage on dry land farming, there is a series of work to be done to develop new tillage techniques to adapt to double cropping system of wheat and maize in shandong province. such work includes controlling the combine traveling along the line, return the stalk to the field after chopped, subsoiling being done in maize ' s growing stage. the advantage of subsoiling is to make the soil inter placed with soft and hard strips, which is good for decreasing runoff and vaporizing, and retaining rain
1 、保護性耕作條件下,普通小麥條播機的播種質量較差,小麥的田間出苗率比傳統耕作低9 . 3 ;保護性耕作小麥冬前地上部分的生長狀況也較傳統耕作小麥差;由於根系的生長條件較為優越,保護性耕作的小麥的根系生長旺盛、分佈廣,越冬後有利於小麥的地上部分生長,大量發生春季分蘗和次生根,幼穗強烈分化,表現出較傳統耕作小麥強的生長優勢,產量提高6左右。( 2 ) it is the tactics of keeping the seed storehouse under the adverse environment that seed spreading has the dispersiveness of time, space heterogeneity of the seed spreading and the dormancy in summer, ( 3 ) the seed coat of lepidium pertoliatum l. and lepidium apetalum willd. make the seed bigger, which is useful to promote the seed sprouting and developing of seedling by absorbing the around moisture
具體表現為: ( 1 )植物的生長發育以及植物的生長節律,均受到環境的影響; ( 2 )種子的分批成熟,種子傳播具有空間隨機性以及種子具有夏季休眠的特性,都是種子在惡劣環境下保存種子庫的策略( 3 )抱莖獨行菜和獨行菜的種衣一方面可以使種子大粒化,另外還利於吸收水分有助於促進種子萌發和幼苗發育,這些對種群的延續具有重要的意義。
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