The ricefield is a typical anthropogenic ecosystem in which rice production is the main activity. From Wordnik.com. [Chapter 6] Reference
Water plants, plankton, and aquatic animals in the ricefield were the traditional sources of food for the fish. From Wordnik.com. [Chapter 5] Reference
I would be home past an ample stretch of ricefield. From Wordnik.com. [Inroads] Reference
The wisest and oldest rat in the ricefield said that the. From Wordnik.com. [How to Tell Stories to Children, And Some Stories to Tell] Reference
Adult fish are then released into the harvested ricefield. From Wordnik.com. [Chapter 5] Reference
This problem is normally solved by sun-drying the ricefield. From Wordnik.com. [Chapter 6] Reference
In the ricefield without fish, there were 820 snout moths and. From Wordnik.com. [Chapter 5] Reference
A 7. 1-ha ricefield managed by 31 households at Xinji Village. From Wordnik.com. [Chapter 5] Reference
Fish grown in the ricefield eat mosquitoes and control diseases. From Wordnik.com. [Chapter 5] Reference
Fenitrothion was accumulated in the polluted ricefield ecosystem. From Wordnik.com. [Chapter 6] Reference
Both like to eat azolla and adapt easily to the ricefield environment. From Wordnik.com. [Chapter 5] Reference
An experimental ricefield of average fertility was plowed and levelled. From Wordnik.com. [Chapter 6] Reference
In this method, rice and fish are alternatively raised in one ricefield. From Wordnik.com. [Chapter 5] Reference
Third, large grass carp stocked with late rice may damage the ricefield. From Wordnik.com. [Chapter 6] Reference
Rat King, and her mother, the Rat Queen, in a ricefield in far away Japan. From Wordnik.com. [How to Tell Stories to Children, And Some Stories to Tell] Reference
The total area of the ditches is about 5-10% of the area of the ricefield. From Wordnik.com. [Chapter 5] Reference
Paspalum distichum normally extended from border dikes into the ricefield. From Wordnik.com. [Chapter 6] Reference
The biosphere is a large system; a ricefield or pond is a small ecosystem. From Wordnik.com. [Chapter 6] Reference
One basic condition is that there be ditches or ponds around the ricefield. From Wordnik.com. [Chapter 5] Reference
Ditches (1-1. 7 m deep and 1. 5-2 m wide) were dug in 3-7% of the ricefield. From Wordnik.com. [Chapter 5] Reference
For every hectare of ricefield, 45 000 artificially hatched fry are needed. From Wordnik.com. [Chapter 5] Reference
The pond can be dug in advance and should be linked by a bank to the ricefield. From Wordnik.com. [Chapter 5] Reference
In an experiment in September 1982, three fish from a ricefield were dissected. From Wordnik.com. [Chapter 5] Reference
The interactions of fish and rice create changes in the ecology of the ricefield. From Wordnik.com. [Chapter 6] Reference
Ridges are built in the ricefield for the rice and fish are raised in the furrows. From Wordnik.com. [Chapter 5] Reference
They produce high yields and fully use the ecological conditions of the ricefield. From Wordnik.com. [Chapter 5] Reference
Environmental management for the control of ricefield-breeding mosquitoes in China. From Wordnik.com. [Chapter 13] Reference
In Ninghua, experiments indicated that in 1 ha of ricefield there was 48 210 kg of roots. From Wordnik.com. [Chapter 6] Reference
In most cultivation systems, most of the weeds in the ricefield are pulled out and discarded. From Wordnik.com. [Chapter 6] Reference
However, as fish move about in the ricefield, they increase contact between the air and water. From Wordnik.com. [Chapter 6] Reference
In most cases, a rectangular pit (s) that occupies 5% of the total ricefield area will suffice. From Wordnik.com. [Chapter 6] Reference
This was a 6. 5-times increase compared with 12 rice leafrollers in the ricefield without fish. From Wordnik.com. [Chapter 6] Reference
Because the ricefield is usually flooded, the normal water requirements of rice can be ensured. From Wordnik.com. [Chapter 6] Reference
In the ecological environment of the ricefield, there are many organisms besides rice and fish. From Wordnik.com. [Chapter 6] Reference
Contamination should not occur in the aquatic ecosystem of the ricefield when fenitrothion is used. From Wordnik.com. [Chapter 6] Reference
He was hitting at my door, but I lay possum as though I were back in the ricefield and he was an enemy. From Wordnik.com. [The Quiet American]
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