1, added the soil to increase its productivity
2. basic need for the plant to grow and can help the plant for food production
3. contains mineral elements necessary for normal plant growth and development of the trees
4. comes from compost of the decayed fruits and vegetables peelings, animal manures, food wasting
5. composed of organic substances with varying amounts of decaying organic matter
6. formed from partly decayed plant materials
7. made up of synthetic materials
8. piece of land where trees of shrubs are maintained for food or commercial production
9. serves as a solvent of the plant for the nutrients from the soil
10. the most important factor affecting the growth of trees

A. climate
B. Fertilizer
C. inorganic fertilizer
D. mineral water
E. orchard
F. organic fertilizer
G. organic soil
H. soil
I. sunlight
J. top soil
K. water