土壤改良剂对盐化草甸土物理性质及水稻产量的影响

赵金星,周伟,战英策,历永杰,高洪波,何松榆,张玉先,张明聪

Effects of a New Soil Ameliorants on Soil Physical Properties and Yield of Rice in Saline Meadow Soil

Jinxing Zhao,Wei Zhou,Yingce Zhan,Yongjie Li,Hongbo Gao,Songyu He,Yuxian Zhang,Mingcong Zhang

表2 土壤改良剂对土壤水稳性团聚体含量的影响

Table 2 Effects of soil modifier on soil water stable aggregate content

返青后天数(d) Days after regreening	处理 Treatment	各粒级水稳性团聚体的质量百分比Proportion of different water stable aggregate size (%)
返青后天数(d) Days after regreening	处理 Treatment	>5.00mm	2.01~5.00mm	1.01~2.00mm	0.51~1.00mm	0.25~0.50mm	≥0.25mm
10	T1	1.27	2.45	2.26	2.21	1.80	9.98
	T2	21.92	4.05	15.85	14.00	19.36	75.19
20	T1	1.84	2.14	2.10	2.38	8.02	16.48
	T2	17.79	10.96	20.55	11.00	19.26	79.56
30	T1	2.67	3.91	5.85	3.39	3.04	18.86
	T2	12.80	7.38	11.13	8.22	19.02	58.55
40	T1	2.62	5.72	7.00	5.11	3.90	24.35
	T2	10.20	6.61	14.37	5.35	18.63	55.16