ٻǧһШӨѧѴ ѧѴ§ ٻǧһШӨѧѴ
ѭ
١˭͹ѡԹ

ؤ
çѲǧ ѹ ҹҹѲ ا
ͧ
˭תС˭Ѻҧ ˭ԴѴШҵdzҺѧ ҷ ҺҤҧ Һ֧ ˹ͧ ֧ ѹ dz͹ Ҵ ͧҵ ˹ ѧ зԹ١ѧ Թǹ Թ˹ öԹ
ҾͧѾҡԹҤ˹ ǹ˭Դҡ˹Թ١Ѵҡŧ ˹Թӹǹҡ ٭Թشó ѧԴѭԹѧԴɵ ǹ˭١ת͹ Ե ҧɵ٧ѺԵŴŧѺҳҡ§ ͧҡͧӹǹҡԹöѡҧ
ҷ ç˹ѡ֧Ҿѭ˵Դ ç֡͹ѡ˹ԹԸҵҹ ç ѡԴ˹Թɵ ¡ͧǹԹ ѧԸԴҵԴѭ͹Ҥ ç˹ѡ֧ѡҾͧ˭ת ͧѹҧѧͧԹ͹ѡԹ ç֡ͧ͡ҤšѺ͹ѡ˹Թ˭ὡ ֧֡ͧ ١˭ҪҹҪ˭͹ѡԹ ͧѹҧѧͧԹ
ª
˭سѵк͹ѡԹ ѡҾǴ ѧ
1. ˭ӹǹҡ ´´ѹҧ˹ç ç ö١Դѹ˹дҹ§˹º͹ ᾧҹҹС͹Թ١ѴѴѺҹ˹˭ͧ ŧԹ
2. ˹Թ Դҡҧͧ ˭͡͡ҡ˹ҡ͡С͹ԹѺ֧ö
3. ˭öѴ˹ʴ ʴԹѡҵתԹ Ѻ ѡ ҡ˭ŧ ١˹ʴͧ١ ҡ˭ҧԴöا ѧ ѵ дɰǧմ ͡дɰ ͧѡҹǡС
4. ҡ˭ԭԺҧǴ ֡ŧԹҡҹѹ͹ҧִԹç ١˭Դѹк ҡ͹ҹԹͧԹ Թ ͡ҡѧöͧѹѴͧ ԴͧҴ (rill) Ҵ˭ (gully) ԴҡҹҧͧҴѹ͹ҹ֧˭ش§ óѧѹԹ öش ҡ˭ѧöٴ ҵת١ҧŧԹ ͧѹӨѴŧѵת ͧѹŧѧʹҡԴͧ سҾ
5. ˭Թҧ ҧҳ 1 - 1.5 ö١תɰԨԴ˭֧ ˭к͹ѡԹɵöͧѡɳ ͧҡ˭ѡҾ٧ ͧѹѴͧԴС͹ԹŧѺ ѧѧǹ


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