地膜覆盖栽培对小京生花生土壤温湿度的调控及其生物学效应

2002-2003年的试验表明,地膜覆盖栽培对小京生花生的土壤调温、调湿效应十分显著,在生育前期能提高土壤温度,夏季降低土壤温度,连续降雨天气能降低土壤湿度,干旱天气能提高土壤湿度,从而使小京生花生生育期提前,地上、地下部分生长良好,产量显著提高。实验结果为进一步推广和扩大地膜栽培提供依据。

Analysis on Effects Of Peanut Mulched with Film

The results from field experiments during2002and2003showed that the cultivation mulched with plastic film had a significant effect to improve soil temperature and moisture.The soil temperature increased during early growing periods of peanut(Arachis hypogaea L.)and decreased in the summer.The soil moisture decreased under the condition of continuous rainy days and increased during the dry weather.The growing periods of peanut by the cultivation mulched with plastic film were earlier than that by normal cultivation,while the growth of plant both above and under ground was well,and the yield increase was significantly.The experiment results provided an agro-meteorological basis for peanut cultivation mulched with plastic film.