The Influence of Different Mulching Materials and the Irrigation Water Quantity on the Growth of Tea Plants
|Keywords:||茶;敷蓋;灌溉水量;1997特用作物試驗成果研討會專刊;Tea Plants;Mulching Materials;Irrigation Quantity;Proceedings of A Symposium on the Experimental Results of Special Crops 1997||Issue Date:||Aug-1997||Publisher:||台中：農業試驗所||Start page/Pages:||103-111||Source:||1997特用作物試驗成果研討會專刊:||Abstract:||
The soil moisture of root zones was found to be better maintained when considered the water absorption of crushed peanut husks mulched in tea garden. ten days after irrigation, soil water contents in the 20-40 cm layer was still around 1/ 2A.M., whereas in the peanut husk mulching without considering water absorption, the soil moisture was only 1/4 A. M., at the some depth. The non-mulched treatment contained much lower water. Peanut husk mulching tended to increase tea yield and quality, especially the fact that mulching considered water absorption obviously upgraded tea yield and quality in dry winter. It is suggested that conducting mulching in tea gardens should take consideration of increases in absorbed water of mulching materials so that better soil moisture can be retained in the field and irrigation interval can be lengtherned.
Effects of mulching different materials on tea were also investigated. Based on the observation of 2 year studies. Spent tea leaves and sugarcane dregs degraded more quickly than peanut husks and rice hulls. As compared to other materials rice hulls had worst effects in weed control because the light properties of the material made it easier dispersed away by rain fall. Chemical analysis showed that nutrient contents in spent tea leaves were the highest and that of sugarcane dregs were the lowest.
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