Skip to main content
. 2014 May 23;9(5):e98138. doi: 10.1371/journal.pone.0098138

Table 5. Nitrogen budget for rice production.

Treatments N input from fertilizers (kg ha−1) N removed by rice (kg ha−1) N removed by straw (kg ha−1) Total N removed by rice crop (kg ha−1) N budget (kg ha−1) N utilization efficiency (%) a
CK 0 40 13 53 −53 n.a
LS 297 100 41 141 156 29.6 a
B1A1 193 59 28 87 106 17.6 b
B2A1 498 85 29 114 384 12.2 c
B3A1 802 87 36 123 679 8.7 d
a

Different letters in a column denote a significant difference between treatments at the 0.05 level.