Photosynthesis and Fine Root Growth Dynamics of Soybean in Walnut-Soybean Agroforestry System

Table 1

The photosynthetic factors of soybean.

Measurement		Transpiration rate (m mol·m^−2·s^−1)	Net photosynthesis rate (μmol·m^−2·s^−1)	Stomatal conductance (mol m^−2·s^−1)	Intercellular CO2 concentration(μl L^−1)
Branching	CK	1.43 a	12.94 a	155.18 a	106.94 a
	T	1.29 ab	14.94 a	172.24 a	93.31 a
Flowering	CK	4.29 a	16.93 a	187.40 a	195.44 a
	T	3.43 b	20.40 b	212.36 b	188.14 ab
Podding	CK	2.92 a	15.63 a	178.26 a	263.72 a
	T	2.29 ab	16.31 ab	189.31 a	213.24 b

The data in the table are the mean value of different treatments. The letter after data expression Duncan’s multiple comparison results. Those data in the same column with the same letter indicate that there is no significant difference (). T denotes walnut-soybean; CK denotes soybean.