Farmland Nutrients Balance and Dynamic Variation Tendency of Soil Nutrients on County Level in Purple Hilly Area of Qianwei County, Sichuan Province
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Farmland Nutrients Balance and Dynamic Variation Tendency of Soil Nutrients on County Level in Purple Hilly Area of Qianwei County, Sichuan Province
Vol. 17, Issue 1, Pages: 103-106(2003)
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CLC:S158.3
Published:2003
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Farmland Nutrients Balance and Dynamic Variation Tendency of Soil Nutrients on County Level in Purple Hilly Area of Qianwei County, Sichuan Province[J]. 2003, 17(1): 103-106.
DOI:
Farmland Nutrients Balance and Dynamic Variation Tendency of Soil Nutrients on County Level in Purple Hilly Area of Qianwei County, Sichuan Province[J]. 2003, 17(1): 103-106.DOI:
Farmland Nutrients Balance and Dynamic Variation Tendency of Soil Nutrients on County Level in Purple Hilly Area of Qianwei County, Sichuan Province