	Nursery fertilizer	Panicle number per m²						Straw yield (t/ha)				Grain fertility (%)				Grain yield (kg/ha)
		4 WAS		6 WAS		9 WAS		4 WAS	6 WAS		9 WAS	4 WAS	6 WAS	9 WAS		4 WAS	6 WAS	9 WAS
Without additional NPK with drained water
NF0		323		350		309		1.19	1.72		1.58	88	90	74		1205	1292	1192
NF1		365		383		342		1.45	1.91		1.60	90	91	77		1309	1455	1287
NF2		373		393		354		1.62	1.99		2.06	91	89	80		1349	1535	1339
Mean		354		375		335		1.42	1.88		1.75	90	90	77		1288	1427	1273
With additional NPK (60-40-30) with drained water
NF0		377		496		467	2.68		3.44		2.83	89	86	80		2001	2338	1811
NF1		394		517		486	2.73		3.42		2.96	91	86	83		2243	2461	1871
NF2		410		544		496	3.07		3.56		2.96	92	87	84		2394	2584	2125
Mean		394		519		483	2.83		3.47		2.92	91	86	82		2213	2461	1936
Without additional NPK with adequate water supply
NF0		338		377		338	1.70		2.22		2.01	86	83	79		1242	1579	1292
NF1		367		388		363	2.20		2.32		2.04	87	88	81		1355	1604	1338
NF2		375		400		398	2.19		2.42		2.05	87	89	82		1397	1622	1351
Mean		360		388		366	2.03		2.32		2.03	87	87	81		1331	1602	1327
With additional NPK (60-40-30) with adequate water supply
NF0		442		515		473	2.70		3.29		3.16	85	87	84		2168	2479	2136
NF1		459		523		502	3.03		3.23		3.20	87	89	85		2277	2771	2215
NF2		481		531		506	3.20		3.47		3.22	90	89	84		2284	2831	2300
Mean		461		523		494	2.98		3.33		3.19	87	88	84		2243	2694	2217
LSD:^C
Nursery fertilizer (N)				20^**					0.11^**			3.0^**					43^**
Age of seedling (A)				20^**					0.11^**			3.0^**					43^**
Main field fertilizer (F)			16^**							0.09^**		2.46^**					35^**
Water regime (W)				16^**					0.09^**			2.46^**					35^**
N × A				ns					ns			5.20^*					ns
N × F				ns					ns			ns					61^**
N × W				ns					ns			ns					ns
A × F				28^**					ns			4.26^*					61^**
A × W				ns					ns			ns					61^**
F × W				ns					0.13^**			ns					50^*
CV (%)				11.6					10.8			6.9					5.7