Agriculture Reference
In-Depth Information
TABLE 3.7
Uptake of Macro- and Micronutrients by Upland Rice, Lowland Rice, Dry Bean, Corn, and
Soybean Grown on Brazilian Oxisols
Nutrient
Straw
Grain
Total
Required to Produce 1 t Grain
b
Upland rice
(6343 kg ha
−1
)
a
(4568 kg ha
−1
)
a
56
70
126
28
Nitrogen (kg ha
−1
)
Phosphorus (kg ha
−1
)
3
9
12
3
Potassium (kg ha
−1
)
150
56
206
45
Calcium (kg ha
−1
)
23
4
27
6
Magnesium (kg ha
−1
)
14
5
19
4
Zinc (g ha
−1
)
161
138
299
65
Copper (g ha
−1
)
35
57
92
20
Iron (g ha
−1
)
654
117
771
169
Manganese (g ha
−1
)
1319
284
1603
351
Boron (g ha
−1
)
53
30
83
18
Lowland rice
(9423 kg ha
−1
)
a
(6389 kg ha
−1
)
a
Nitrogen (kg ha
−1
)
65
86
151
24
Phosphorus (kg ha
−1
)
15
15
30
5
Potassium (kg ha
−1
)
156
20
176
28
Calcium (kg ha
−1
)
26
5
31
5
Magnesium (kg ha
−1
)
15
7
22
3
546
224
770
121
Zinc (g ha
−1
)
77
102
179
28
Copper (g ha
−1
)
2553
505
3058
479
Iron (g ha
−1
)
4724
369
5093
797
Manganese (g ha
−1
)
69
33
102
16
Boron (g ha
−1
)
Dry bean
(2200 kg ha
−1
)
(3409 kg ha
−1
)
a
16.9
124.1
141
36.5
Nitrogen (kg ha
−1
)
1.6
14.6
16.2
4.2
Phosphorus (kg ha
−1
)
41.2
63.8
105
27.2
Potassium (kg ha
−1
)
22.0
8.5
30.5
7.9
Calcium (kg ha
−1
)
8.9
6.2
15.1
3.9
Magnesium (kg ha
−1
)
61.7
123.3
185
48.0
Zinc (g ha
−1
)
9.2
34.6
43.8
11.4
Copper (g ha
−1
)
1010.3
274.9
1285.2
333.1
Iron (g ha
−1
)
31.1
48.7
79.8
20.7
Manganese (g ha
−1
)
20
14
34
Boron (g ha
−1
)
Corn
(11,873 kg ha
−1
)
a
(8501 kg
−1
)
a
Nitrogen (kg ha
−1
)
72
127
199
24
Phosphorus (kg ha
−1
)
4
17
21
3
Potassium (kg ha
−1
)
153
34
187
23
Calcium (kg ha
−1
)
33
8
41
5
Magnesium (kg ha
−1
)
20
9
29
4
Zinc (g ha
−1
)
184
192
376
46
Copper (g ha
−1
)
53
14
67
8
Iron (g ha
−1
)
2048
206
2254
274
Manganese (g ha
−1
)
452
82
534
65
Boron (g ha
−1
)
103
43
146
18
continued
