関連ワード:
what are the factors that affect agricultural production what are the factors that affect crop production what are the four factors that affect agricultural production what are the environmental factors that affect agricultural production what are the climatic factors that affect agricultural production what are the edaphic factors that affect agricultural production what are the environmental factors that affect crop production what are the 4 important factors that affects crop production what are the soil factors that influence crop production what are the factors that influence the quality of agricultural produce
