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Most soils are a combination of the three. Divide up the pie chart based on the Soil Components graph.
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The importance of soil organic matter Key to drought-resistant soil and sustained food production FAO SOILS BULLETIN FAO SOILS BULLETIN 80 8 0 F A O T h e i m p o r t a n c e o f s o i l o r g a n i c m a t t e r — K e t o d r o u g h t-r e s i s t a n t s o i l a n d s u s t a i n e d f o o d p r o d u c t i o n 80 I S S N 0 2 5 3-2 0 5 0. 0000002465 00000 n
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United States Department of Agriculture . 0000331796 00000 n
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A soil heap. Helping People Help the Land. Some of the important physical properties are described below. Soil fertility: Fertile soil supports the growth of plants. ��C/~��d=�/���8d;D����A��Q����r�ST�t:� �MC_�\bzksO��"�v����52P�b�k�wy�� E����ϭl~�ΒB�|znj%�~�^-�2��(G?O��'�����i+r��Z����=��F}��V�i`��D9.��MdmV�xVm+��K��>N��55���٩8b�E �Y��ERd4+�����%�fb�ݕ*)#:��%�v)�L@3� �yB|�8���bg���'�u� �M�pa�";�|�(���ܜ�rQW��I��d������1��'��z���0`6��'��:wݛ�>����w(�RT#�ߵ�u�|�������Q�,
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Soil Texture The particles that make up soil are categorized into three groups by size – sand, silt, and clay. 0000003780 00000 n
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Importance of soil. 7. 0000003323 00000 n
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Have four student volunteers come up and select a Soil Co mponent Card, read the card, then place the card in the correct place on the pie chart based on the percentage information. Soils are home to myriad micro-organisms that fix nitrogen and decompose organic matter, and armies of microscopic animals as well as earthworms and termites.
USDA is an equal opportunity provider and employer. 0000125038 00000 n
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Sampling Soils for Nutrient Management. 0000007263 00000 n
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