Table 5 Effects of straw return methods and nitrogenous fertilization levels on the profit of red kidney bean planting.

From: Impact of straw return and nitrogen fertilizer on photosynthesis and yield of red kidney beans

Treatment

Expenditure(yuan/ha)

Total expenditure

(yuan/ha)

Yield

(kg/ha)

Gross income

(yuan/ha)

Net profit

(yuan/ha)

Straw returning

Nitrogenous fertilizer

Seed

Hoeing and watering

NST + N0

0

0

1000

700

1700

2776.94

41654.10

39954.10

NST + N45

0

225

1000

700

1925

3049.30

45739.50

43814.50

NST + N90

0

450

1000

700

2150

3179.09

47686.35

45536.35

NST + N135

0

675

1000

700

2375

3250.51

48757.65

46382.65

ST + N0

700

0

1000

700

2400

2968.43

44526.45

42126.45

ST + N45

700

225

1000

700

2625

3129.62

46944.30

44319.30

ST + N90

700

450

1000

700

2850

3291.92

49378.80

46528.80

ST + N135

700

675

1000

700

3075

3304.99

49574.85

46499.85