Agriculture Reference
In-Depth Information
N
0
P
2
K
2
N
1
P
2
K
2
N
2
P
2
K
2
FIGURE 6.5
Upland rice plants without N and with 200 mg P and K kg
−1
of soil (left pot), with 150 mg N
and 200 mg P and K kg
−1
of soil (middle pot), and with 300 mg N and 200 mg P and K kg
−1
of soil (right pot).
N
2
P
1
K
2
N
2
P
2
K
2
N
2
P
0
K
2
FIGURE 6.6
Upland rice plants without P and with 300 mg N and 200 mg K kg
−1
soil (left pot), with
100 mg P and with 300 mg N and 200 mg K kg
−1
soil (center pot), and with 200 mg P and with 300 mg N and
200 mg K kg
−1
soil (right pot).
N
2
P
2
K
0
N
2
P
2
K
1
N
2
P
2
K
2
FIGURE 6.7
Upland rice plants without K and with 300 mg N and 200 mg P kg
−1
soil (left pot), with
100 mg K and with 300 mg N and 200 mg K kg
−1
soil (center pot), and with 200 mg K and with 300 mg N and
200 mg P kg
−1
soil (right pot).