agricultural soil
4.Incubation study using a Danish agricultural soil was conducted to understand the effects of application of four agricultural wastes, i.e.pig slurry,cattle slurry, rye straw and wheat straw, on N_2O and CO_2 emissions,nitrogen tranformation in soil and soil pH.
5.The HCHs and DDTs in the agricultural soil are inspected,but not being very high,3.60 μg·kg~-1(0.81-9.43 μg·kg~-1)and 11.13 μg·kg~-1(3.31-43.81 μg·kg~-1) respectively.
6.The addition of lime to saturated clay soils (liming) is a common agricultural practice, improving soil structure by encouraging crumb formation and making heavy soils more workable.
8.Research on Phosphorus Ioad from Agricultural Ecology System in Purple Soil of Middle-Sichuan by NPS Way and the Environmental Effects
9.But in the cause of small scale farming, it must build an agricultural industrialization system to realize precision agriculture, such as agricultural spatial information technology system, soil information system, integrate information management system and socialized agricultural machine service system and so on.
10.Based on the reviews of the status of soil erosion and literatures on erosion relevant influence factors in China, this paper explores the impact of agricultural production activates on the soil erosion with the provincial data.
