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“倒种春”是利用各种春播作物收获的种子当年进行秋季播种,再把收获的种子或上年留下来的种子,留作第二年春播,以恢复及提高其种性,从而改进品质,提高产量的一种方法。本所鉴于早籼南特号品种发生抽穗不整齐,产量降低,叶片和茎基部的紫红色也有明显变异等退化现象,特进行“倒种春”试验。本试验进行了两年。1962年是以一年作二晚栽种的南特号“倒种春”(简称
“Inverted Spring” is the use of a variety of spring seeding crop seeding the same year autumn seeding, and then the harvested seeds or seeds left over from the previous year, left for the second year of spring, in order to restore and enhance their species, so as to improve the quality , A way to increase production. In view of early indica Nantes breed irregular heading, yield decreased, purple leaves and stems at the base of the obvious variation and other degradation phenomenon, especially for “inverted spring” test. This test was conducted for two years. 1962 is a year for two nights planted Nantes number “inverted spring” (referred to as