水稻少免耕技术研究Ⅱ高产的系列配套技术

LIGHT AND NON-TILLAGE TECHNOLOGY OF RICE II A SERIES OF TECHNOLOGY FOR HIGH-YIELD

少免耕稻作高产系列配套技术经1986～1991年反复试验、实践,已基本成熟,其主要技术要点为:选用高产良种;育多蘖壮秧;带土移栽;两季田免耕时湿润撬窝,绞好田边防漏水;秧母田免耕时边扯秧边栽秧;以旋代耕时浅水机旋两遍或三遍;垄作少耕时旱开沟起垄,水修正。每公顶27～30万穴,105～210万基本苗。每公顶施纯氮105～135kg,N:P:K=1:0.5:0.7～1.2,其中有机肥占20％。齐泥割稻防病虫。可收到省工、节支、增产的效果,一般增产5～7％。

A series of non-tillage technology of high rice yield has been perfected after repeatedly experiments and practice from 1986~1991. Its main point is, to select and use high yield rice, culture multi-tiller rice seedling, transplant the seedling to the field with earth, hole on springy paddy while non-tillage of two-crop paddy, repair the bund to prevent percolation, plant while pulling up seedling on the nursery bed, use mechanical rotation two to three times in place of tillage with light submerge, ridge while dry and then repair wich water. 270~300 thousand hole per hectare, 1050~2100 thousand basic seedling. Pure nitrogen 105~135kg/ha, N:P:K=1:0.5:0.7~1.2, of them, 20% organic fertilizer. Cut rice near the earth to prevent disease and insect. It's a series of technalogy to save labour and money and increase yield. Normally it increase product by 5~7%.