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31. A paddy field and fishpond simulation ecosystem was established to study the Fipronil pesticide environment behavior and its effects on crab and shrimp in the ecosystem.

32. Shake shake, the paddy field also got empty, remaining the voice of the current only.

33. The early rice planted area was calculated from Longyou TM image and paddy field TM image using supervised classification methods.

34. Adhesive force exists between soil and plow moldboard in the field work of paddy field plough.

35. A great numbers of Fairy shrimp swam around in the paddy field.

36. As spring is approaching, the paddy field is full of grain seedling.

37. Alternanthera philoxeroides infestation was quite serious in water environment, especially in canals and ponds, but slight in dry environment and paddy field. Sentencedict.com

38. Growing azolla raise the productive potentialities of paddy field, and further a virtuous circle of its ecological environment.

39. The nitrogen fertilizer losses in paddy field involve nitrification - denitrification, ammonia volatilization nitrate leaching and runoff.

40. Thatch hut is raised high above the paddy field on stilt.

41. The end affirms consistently, being like most the abundant within sight and aureate paddy field!

42. Every dry paddy field, farmer is in the farmland side, putting a red flag.

43. Dry land crop and paddy field crop are main vegetation type, the main crop combine are ripe once a year and ripe twice a year.

44. One can hear the croak of frogs when approaching a paddy field.

45. In this paper, the hardpan roughness of paddy field was measured, autocorrelation and power density spectrum were analyzed.