日光温室冬春茬黄瓜滴灌的肥水优化管理

李若楠,黄绍文,史建硕,王丽英,唐继伟,张怀志,袁硕,翟凤芝,任燕利,郭丽

Optimization Management of Water and Fertilization for Winter-Spring Cucumber Under Greenhouse Drip Irrigation Condition

RuoNan LI,ShaoWen HUANG,JianShuo SHI,LiYing WANG,JiWei TANG,HuaiZhi ZHANG,Shuo YUAN,FengZhi ZHAI,YanLi REN,Li GUO

表5 滴灌肥水用量对冬春茬黄瓜不同阶段0—40 cm土体硝态氮含量的影响 (mg·kg^-1)

Table 5 Soil nitrate nitrogen contents at 0-40 cm soil depths as affected by the different water and fertilizer rates of drip irrigation at various growing stages (mg·kg^-1)

处理 Treatment		0—20 cm土层 0-20 cm soil layer		20—40 cm土层 20-40 cm soil layer
处理 Treatment		苗期 Seedling stage	产瓜初期 Early fruiting stage	苗期 Seedling stage	产瓜初期 Early fruiting stage	产瓜盛期 Vigorous fruiting stage
灌水量 Irrigation rate	W1	36.6 a	35.9 a	31.0 a	28.2 a	32.6 a
	W2	26.4 b	23.8 b	24.8 b	25.6 ab	27.8 ab
	W3	22.1 b	18.1 b	18.2 c	23.1 b	22.8 b
施肥量 Fertilization rate	F1	24.8 A	16.6 B	21.7 A	17.9 C	16.1 C
	F2	26.4 A	26.5 AB	25.0 A	24.6 B	27.6 B
	F3	33.9 A	34.7 A	27.3 A	34.4 A	39.5 A
P值 P value
	W	<0.01**	<0.01**	<0.01**	0.04*	0.04*
	F	0.06	<0.01**	0.09	<0.01**	<0.01**
	W×F	0.77	0.36	0.75	0.75	0.34