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121
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122Methods of farm management investigations for improving farm productivity Methods of farm management investigations for improving farm productivityby Yang, W.Y.
Published 1980Texto bibliotecaFAO IT -
123Ten-year growth response of 70-year-old lodgepole pine to fertilization in Alberta Ten-year growth response of 70-year-old lodgepole pine to fertilization in Albertaby Yang, R.C.
Published 1985Texto bibliotecaFAO IT -
124
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125
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126
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127Texto bibliotecaUAAAN MX
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128
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129
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130
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131
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135by Chen,Wei, Tang,Xiaohong, Yang,Xiaofang, Weng,Chunyan, Yang,Kan, Wen,Juan, Liu,Hong, Wu,Yang
Published 2017Digital revistaSCIELO -
136by Shuangyan,Yang, Ying,Hou, Lingchun,Yang, Jianqiang,Zhang, Weijuan,Liu, Changgui,Qiu, Ming,Li, Yanmei,Yang
Published 2018Digital revistaSCIELO -
137Digital revistaSCIELO
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138Digital revistaSCIELO
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139Digital revistaSCIELO
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140Digital revistaSCIELO