Experiências de adubação mineral e orgânica com Capim Kikuyu (Pennisetum clandestinum Hochst.)

Detalhes bibliográficos
Autor(a) principal: Coury, T.
Data de Publicação: 1956
Outros Autores: Torres, A. P., Ranzani, G.
Tipo de documento: Artigo
Idioma: por
Título da fonte: Anais da Escola Superior de Agricultura Luiz de Queiroz
Texto Completo: https://www.revistas.usp.br/aesalq/article/view/45467
Resumo: Kikuio grass (Pennisetum clandestinum Hochst) is beyond any doubt, a pasture very important for farm animals; since its chemical composition is very similar to that of alfalfa, the present field trial was carried out; a randomized block design with 8 treatments was selected as follows: 1 N - P - K - Ca - Mg (complete manuring) 2 N - P - K - Ca----- (without Mg) 3 N - P - K-------Mg (without Ca) 4 ----P - K - Ca - Mg (without N) 5 N------K - Ca Mg (without P) 6 N - P - Ca - Mg (without K) 7 organic matter (without mineral fertilizers) 8 control Nitrogen was applied as NaN03 (topdressed) and as ammonium sulfate; P2O5 was given as superphosphate associated to bonemeal; K2O was applied as muriate, CaO as "sambaquis" (oyster shells); MgO was given as MgSO4 (topdressed). The source of organic matter was farmyard manure. As far yields are concerned the following observations were made: 1. treatment n. 7 was superior to all others; 2. considering the mineral fertilizers, good responses were due to N and P2O5; 3. the control yield was exceedingly poor, being inferior to all the others treatments; The chemical analyses revealed that: 1. the protein content decreased accordingly to this order: 7, 6, 5 and 1; treatment 4 (without N) gave the lowest protein content; 2. treatment n. 4 produced the highest fat content; treatment no. 7 ranked second; no. 8 gave the lowest fat content; 3. crude fiber: highest - treatment 7; lowest - 8; 4. ashes: the ashes content was higher in treatment 5; proprobably because the most abundant element in the ashes is K, the ash content of treatment 6 (no K) was very low; 5. non nitrogenous substances (determined by difference) - high in treatment 8 and low in treatment 7; 6. mineral elements in the ashes - the element omitted from a given treatment was very low in the grasses therein obtained; this shows the relative poverty of the soil in that element. As general remark the Authors suggest the use of farmyard manure in the fertilization of Kikuio grass; farmyard manure could probably substitute wither green manure or compost.
id USP-46_ad76872bc7790ece251be78588ce88b5
oai_identifier_str oai:revistas.usp.br:article/45467
network_acronym_str USP-46
network_name_str Anais da Escola Superior de Agricultura Luiz de Queiroz
repository_id_str
spelling Experiências de adubação mineral e orgânica com Capim Kikuyu (Pennisetum clandestinum Hochst.)Kikuio grass (Pennisetum clandestinum Hochst) is beyond any doubt, a pasture very important for farm animals; since its chemical composition is very similar to that of alfalfa, the present field trial was carried out; a randomized block design with 8 treatments was selected as follows: 1 N - P - K - Ca - Mg (complete manuring) 2 N - P - K - Ca----- (without Mg) 3 N - P - K-------Mg (without Ca) 4 ----P - K - Ca - Mg (without N) 5 N------K - Ca Mg (without P) 6 N - P - Ca - Mg (without K) 7 organic matter (without mineral fertilizers) 8 control Nitrogen was applied as NaN03 (topdressed) and as ammonium sulfate; P2O5 was given as superphosphate associated to bonemeal; K2O was applied as muriate, CaO as "sambaquis" (oyster shells); MgO was given as MgSO4 (topdressed). The source of organic matter was farmyard manure. As far yields are concerned the following observations were made: 1. treatment n. 7 was superior to all others; 2. considering the mineral fertilizers, good responses were due to N and P2O5; 3. the control yield was exceedingly poor, being inferior to all the others treatments; The chemical analyses revealed that: 1. the protein content decreased accordingly to this order: 7, 6, 5 and 1; treatment 4 (without N) gave the lowest protein content; 2. treatment n. 4 produced the highest fat content; treatment no. 7 ranked second; no. 8 gave the lowest fat content; 3. crude fiber: highest - treatment 7; lowest - 8; 4. ashes: the ashes content was higher in treatment 5; proprobably because the most abundant element in the ashes is K, the ash content of treatment 6 (no K) was very low; 5. non nitrogenous substances (determined by difference) - high in treatment 8 and low in treatment 7; 6. mineral elements in the ashes - the element omitted from a given treatment was very low in the grasses therein obtained; this shows the relative poverty of the soil in that element. As general remark the Authors suggest the use of farmyard manure in the fertilization of Kikuio grass; farmyard manure could probably substitute wither green manure or compost.Universidade de São Paulo. Escola Superior de Agricultura Luiz de Queiroz1956-01-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://www.revistas.usp.br/aesalq/article/view/4546710.1590/S0071-12761956000100004Anais da Escola Superior de Agricultura Luiz de Queiroz; v. 12 (1956); 19-352316-89350071-1276reponame:Anais da Escola Superior de Agricultura Luiz de Queirozinstname:Escola Superior de Agricultura Luiz de Queiroz (ESALQ-USP)instacron:USPporhttps://www.revistas.usp.br/aesalq/article/view/45467/49076Coury, T.Torres, A. P.Ranzani, G.info:eu-repo/semantics/openAccess2012-10-04T14:32:59Zoai:revistas.usp.br:article/45467Revistahttps://www.revistas.usp.br/aesalq/about/contactPUBhttps://www.revistas.usp.br/aesalq/oaiscientia@esalq.usp.br0071-12760071-1276opendoar:2012-10-04T14:32:59Anais da Escola Superior de Agricultura Luiz de Queiroz - Escola Superior de Agricultura Luiz de Queiroz (ESALQ-USP)false
dc.title.none.fl_str_mv Experiências de adubação mineral e orgânica com Capim Kikuyu (Pennisetum clandestinum Hochst.)
title Experiências de adubação mineral e orgânica com Capim Kikuyu (Pennisetum clandestinum Hochst.)
spellingShingle Experiências de adubação mineral e orgânica com Capim Kikuyu (Pennisetum clandestinum Hochst.)
Coury, T.
title_short Experiências de adubação mineral e orgânica com Capim Kikuyu (Pennisetum clandestinum Hochst.)
title_full Experiências de adubação mineral e orgânica com Capim Kikuyu (Pennisetum clandestinum Hochst.)
title_fullStr Experiências de adubação mineral e orgânica com Capim Kikuyu (Pennisetum clandestinum Hochst.)
title_full_unstemmed Experiências de adubação mineral e orgânica com Capim Kikuyu (Pennisetum clandestinum Hochst.)
title_sort Experiências de adubação mineral e orgânica com Capim Kikuyu (Pennisetum clandestinum Hochst.)
author Coury, T.
author_facet Coury, T.
Torres, A. P.
Ranzani, G.
author_role author
author2 Torres, A. P.
Ranzani, G.
author2_role author
author
dc.contributor.author.fl_str_mv Coury, T.
Torres, A. P.
Ranzani, G.
description Kikuio grass (Pennisetum clandestinum Hochst) is beyond any doubt, a pasture very important for farm animals; since its chemical composition is very similar to that of alfalfa, the present field trial was carried out; a randomized block design with 8 treatments was selected as follows: 1 N - P - K - Ca - Mg (complete manuring) 2 N - P - K - Ca----- (without Mg) 3 N - P - K-------Mg (without Ca) 4 ----P - K - Ca - Mg (without N) 5 N------K - Ca Mg (without P) 6 N - P - Ca - Mg (without K) 7 organic matter (without mineral fertilizers) 8 control Nitrogen was applied as NaN03 (topdressed) and as ammonium sulfate; P2O5 was given as superphosphate associated to bonemeal; K2O was applied as muriate, CaO as "sambaquis" (oyster shells); MgO was given as MgSO4 (topdressed). The source of organic matter was farmyard manure. As far yields are concerned the following observations were made: 1. treatment n. 7 was superior to all others; 2. considering the mineral fertilizers, good responses were due to N and P2O5; 3. the control yield was exceedingly poor, being inferior to all the others treatments; The chemical analyses revealed that: 1. the protein content decreased accordingly to this order: 7, 6, 5 and 1; treatment 4 (without N) gave the lowest protein content; 2. treatment n. 4 produced the highest fat content; treatment no. 7 ranked second; no. 8 gave the lowest fat content; 3. crude fiber: highest - treatment 7; lowest - 8; 4. ashes: the ashes content was higher in treatment 5; proprobably because the most abundant element in the ashes is K, the ash content of treatment 6 (no K) was very low; 5. non nitrogenous substances (determined by difference) - high in treatment 8 and low in treatment 7; 6. mineral elements in the ashes - the element omitted from a given treatment was very low in the grasses therein obtained; this shows the relative poverty of the soil in that element. As general remark the Authors suggest the use of farmyard manure in the fertilization of Kikuio grass; farmyard manure could probably substitute wither green manure or compost.
publishDate 1956
dc.date.none.fl_str_mv 1956-01-01
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv https://www.revistas.usp.br/aesalq/article/view/45467
10.1590/S0071-12761956000100004
url https://www.revistas.usp.br/aesalq/article/view/45467
identifier_str_mv 10.1590/S0071-12761956000100004
dc.language.iso.fl_str_mv por
language por
dc.relation.none.fl_str_mv https://www.revistas.usp.br/aesalq/article/view/45467/49076
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Universidade de São Paulo. Escola Superior de Agricultura Luiz de Queiroz
publisher.none.fl_str_mv Universidade de São Paulo. Escola Superior de Agricultura Luiz de Queiroz
dc.source.none.fl_str_mv Anais da Escola Superior de Agricultura Luiz de Queiroz; v. 12 (1956); 19-35
2316-8935
0071-1276
reponame:Anais da Escola Superior de Agricultura Luiz de Queiroz
instname:Escola Superior de Agricultura Luiz de Queiroz (ESALQ-USP)
instacron:USP
instname_str Escola Superior de Agricultura Luiz de Queiroz (ESALQ-USP)
instacron_str USP
institution USP
reponame_str Anais da Escola Superior de Agricultura Luiz de Queiroz
collection Anais da Escola Superior de Agricultura Luiz de Queiroz
repository.name.fl_str_mv Anais da Escola Superior de Agricultura Luiz de Queiroz - Escola Superior de Agricultura Luiz de Queiroz (ESALQ-USP)
repository.mail.fl_str_mv scientia@esalq.usp.br
_version_ 1797050008228331520