?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PENGARUH+APLIKASI+ASAM+HUMAT+TERHADAP+KEMANTAPAN%0D%0AAGREGAT+PADA+PERTANAMAN+JAGUNG+DI+CAMPANG+RAYA%0D%0A&rft.creator=Muhammad+%2C+Iqbal+Suhandi&rft.subject=630+Pertanian+dan+teknologi+yang+berkaitan&rft.description=Tanah+ultisol+dengan+tekstur+lempung+berliat+yang+sering+mengalami+pengolahan%0D%0Atanah+umunya+mempunyai+sifat+fisik+tanah+yang+rendah.+Tanah+lempung+berliat%0D%0Acenderung+memiliki+kandungan+lempung+yang+tinggi%2C+sehingga+agregat+tanah%0D%0Amenjadi+padat+dan+rapuh.+Akibatnya+kesuburan+tanah+nya+menjadi+rendah+akibat%0D%0Akemantapan+agregat+yang+tidak+stabil+yang+dapat+mempengaruhi+ketersediaan+air%0D%0Adalam+tanah+dan+ketersediaan+unsur+hara+dalam+tanah.+Upaya+yang+dapat%0D%0Adilakukan+untuk+memperbaiki+kemantapan+agregat+tanah+yaitu+dengan%0D%0Amenambahkan+asam+humat.+Penelitian+ini+bertujuan+untuk+mempelajari+pengaruh%0D%0Aaplikasi+asam+humat+terhadap+kemamtapan+agregat+tanah+lempung+berliat+serta%0D%0Avariabel+pendukung+distribusi+agregat+tanah+dan+C-organik+tanah.+Metode%0D%0Apenelitian+ini+menggunakan+Rancangan+Acak+Kelompok+(RAK)+dengan+4+ulangan%0D%0Adan+7+perlakuan+yaitu%2C+A+%3D+Kontrol%2C+B+%3D(+N%3B350+kg%2Fha+%2B+P%3B100+kg%2Fha+%2B+K%3B75+kg%2Fha%0D%0A)%2C+C+%3D+(+N%3B262%2C50+kg%2Fha+%2B+P%3B75+kg%2Fha+%2B+K%3B56%2C25+kg%2Fha)%2C+D+%3D+5+kg%2Fha+Asam+Humat%0D%0A%2B+3%E2%81%844+NPK%2C+E+%3D+10+kg%2Fha+Asam+Humat+%2B+3%E2%81%844+NPK%2C+F+%3D+12%2C5+kg%2Fha+Asam+Humat+%2B+3%E2%81%844%0D%0ANPK%2C+G+%3D+15+kg%2Fha+Asam+Humat+%2B+1+NPK.+Analisis+kemantapan+agregat%0D%0Adilakukan+dengan+metode+ayakan+kering+dan+ayakan+basah.+Analisis+distribusi%0D%0A%0D%0Aagregat+dilakukan+dengan+metode+visual+assesment+dan+analisis+kandungan+C-%0D%0Aorganik+dengan+metode+Walkley+and+Black.+Data+di+analisis+secara+kuantitatif%0D%0A%0D%0Adengan+membandingkan+hasil+analisis+dengan+kriteria+kelas+penetapan+yang+ada.%0D%0AKemudian+data+di+analisis+ragam+untuk+mengetahui+apakah+terdapat+pengaruh%0D%0Ayang+nyata+dari+perlakuan+yang+diberikan.+Hasil+penelitian+ini+menunjukkan%0D%0Abahwa+aplikasi+asam+humat+belum+mampu+untuk+memperbaiki+kemantapan%0D%0Aagregat+tanah%2C+namun+perlakuan+E+%3D+10+kg%2Fha+asam+humat+%2B+3%E2%81%844+NPK+menunjukkan%0D%0Anilai+tertinggi+diantara+perlakuan+asam+humat+lainnya.%0D%0A%0D%0AKata+kunci+%3A+Tanah+lempung+berliat%2C+kemantapan+agregat%2C+distribusi+agregat%2C+C-%0D%0Aorganik%2C+asam+humat%2C+ayakan+kering+dan+basah.%0D%0ATHE+EFFECT+OF+HUMIC+ACID+APPLICATION+ON+AGGREGATE%0D%0ASTABILITY+IN+CORN+PLANTATIONS+IN+CAMPANG+RAYA%0D%0A%0D%0ABy%0D%0A%0D%0AMuhammad+Iqbal+Suhandi%0D%0A%0D%0AUltisol+soil+with+a+clayey+texture+that+often+undergoes+tillage+generally+has+low+soil%0D%0Aphysical+properties.+Clayey+clay+soil+tends+to+have+a+high+clay+content%2C+so+the+soil%0D%0Aaggregate+becomes+dense+and+brittle.+As+a+result%2C+soil+fertility+becomes+low+due+to%0D%0Aunstable+aggregate+stability+which+can+affect+the+availability+of+water+in+the+soil%0D%0Aand+the+availability+of+nutrients+in+the+soil.+Efforts+that+can+be+made+to+improve+the%0D%0Astability+of+soil+aggregates+are+by+adding+humic+acid.+This+research+aims+to+study%0D%0Athe+effect+of+humic+acid+application+on+the+stability+of+clayey+clay+aggregates+as%0D%0Awell+as+supporting+variables+for+the+distribution+of+soil+aggregates+and+soil+organic%0D%0AC.+This+research+method+used+a+Randomized+Block+Design+(RAK)+with+4%0D%0Areplications+and+7+treatments%2C+namelynamely%2C+A+%3D+Control%2C+B+%3D+(N%3B+350+kg%2Fha+%2B+P%3B%0D%0A100+kg%2Fha+%2B+K%3B+75+kg%2Fha)%2C+C+%3D+(+N%3B262.50+kg%2Fha+%2B+P%3B75+kg%2Fha+%2B+K%3B56.25+kg%2Fha)%2C+D%0D%0A%3D+5+kg%2Fha+Humic+Acid+%2B+3%E2%81%844+NPK%2C+E+%3D+10+kg%2Fha+Humic+Acid+%2B+3%E2%81%844+NPK%2C+F+%3D+12%2C5%0D%0Akg%2Fha+Humic+Acid+%2B+3%E2%81%844+NPK%2C+G+%3D+15+kg%2Fha+Humic+Acid+%2B+1+NPK.+Aggregate%0D%0Astability+analysis+was+carried+out+using+the+dry+sieve+and+wet+sieve+methods.%0D%0AAggregate+distribution+analysis+was+carried+out+using+the+visual+assessment+method%0D%0Aand+analysis+of+organic+C+content+using+the+Walkley+and+Black+method.+The+data+is%0D%0Aanalyzed+quantitatively+by+comparing+the+results+of+the+analysis+with+the+existing%0D%0Aclass+determination+criteria.+Then+the+data+was+analyzed+of+variance+to+find+out%0D%0Awhether+there+was+a+real+effect+from+the+treatment+given.+The+results+of+this+research%0D%0Aindicate+that+the+application+of+humic+acid+has+not+been+able+to+improve+the+stability%0D%0Aof+soil+aggregates%2C+however+the+E+%3D+10+kg%2Fha+humic+acid+%2B+3%E2%81%844+NPK+treatment+shows%0D%0Athe+highest+value+among+other+humic+acid+treatments.%0D%0A%0D%0AKeywords+%3A+Clayey+clay+soil%2C+aggregate+stability%2C+aggregate+distribution%2C+C-%0D%0Aorganic%2C+humic+acid%2C+dry+and+wet+sieve.&rft.publisher=FAKULTAS+PERTANIAN&rft.date=2024-06-13&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F85601%2F1%2FAbstrak_Muhammad%2520Iqbal%2520Suhandi%25202014181032%2520-%2520Iqbal%2520Suhandi.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F85601%2F2%2FSkirpsi%2520Full%2520Muhammad%2520Iqbal%2520Suhandi%25202014181032%2520-%2520Iqbal%2520Suhandi.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F85601%2F3%2FSkripsi%2520Full%2520Tanpa%2520Pembahasan%2520Muhammad%2520Iqbal%2520Suhandi%25202014181032%2520-%2520Iqbal%2520Suhandi.pdf&rft.identifier=++Muhammad+%2C+Iqbal+Suhandi++(2024)+PENGARUH+APLIKASI+ASAM+HUMAT+TERHADAP+KEMANTAPAN+AGREGAT+PADA+PERTANAMAN+JAGUNG+DI+CAMPANG+RAYA.++FAKULTAS+PERTANIAN%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F85601%2F