Acta Botanica Sinica Volume 19 Issue 1, Pages .
Temperature-Light Reaction and Safe Sowing and Transplanting Time of Late Variety of Rice

Nanking Institute of Agricultural Science

Abstract:
Due to delayed sowing and transplanting and late earing, of the late season rice, it is easily damaged meets by low autumn temperature, resulting in empty seeds and decreased yield too early sowing and earing result in small ears and decreased yield due to insufficient vegetation period. Climatic conditions differ from year to year, it is difficult to determine the proper sowing and transplanting time of any one year. By the uae of statistical, analysis we arrived at a temperature-light formula for calculating the duration of growth period in different varieties of late season rice. Using this formula, one may analyze climatic data for a period of many years, to obtain safe sowing and transplanting time in different rarities of late season rice for any particular year.

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