@prefix ep: <http://eprints.org/ontology/> .
  @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
  @prefix foaf: <http://xmlns.com/foaf/0.1/> .
  @prefix bibo: <http://purl.org/ontology/bibo/> .
  @prefix eprel: <http://eprints.org/relation/> .
  @prefix event: <http://purl.org/NET/c4dm/event.owl#> .
  @prefix owl: <http://www.w3.org/2002/07/owl#> .
  @prefix cc: <http://creativecommons.org/ns#> .
  @prefix void: <http://rdfs.org/ns/void#> .
  @prefix dc: <http://purl.org/dc/elements/1.1/> .
  @prefix epid: <http://oar.icrisat.org/id/> .
  @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
  @prefix dct: <http://purl.org/dc/terms/> .
  @prefix geo: <http://www.w3.org/2003/01/geo/wgs84_pos#> .
  @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
  @prefix skos: <http://www.w3.org/2004/02/skos/core#> .

<>
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<http://oar.icrisat.org/1822/>
	dc:format "text/html";
	dc:title "HTML Summary of #1822 \n\nLeaf phosphorus and sorghum yield under rainfed cropping of a Vertisol\n\n";
	foaf:primaryTopic <http://oar.icrisat.org/id/eprint/1822> .

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	rdf:type bibo:Document,
		ep:Document;
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<http://oar.icrisat.org/id/eprint/1822>
	bibo:abstract "A field experiment was conducted at Patancheru, Andhra Pradesh in 1987-89 to study the response of sorghum cv. CSH 6 to fertilizer P (0, 10, 20 and 40 kg/ha) on a Vertisol low in extractable P. One sorghum crop was grown each year during the rainy season (June to September). Tissue samples from the newest, fully-developed leaf were collected at 50% flowering stage to establish the relationship between leaf P concentration and grain yield. During the three years, sorghum grain yield and leaf P concentration increased in response to P application up to 40 kg/ha. Leaf P concentration was linearly related to grain yield (r² varied from 0.724 to 0.993). The critical leaf P concentration at 90% of the maximum grain yield was about 0.25% P. Phosphorus content in the grain was not significantly correlated to yield."^^xsd:string;
	bibo:authorList <http://oar.icrisat.org/id/eprint/1822#authors>;
	bibo:issue "1";
	bibo:status <http://purl.org/ontology/bibo/status/peerReviewed>,
		<http://purl.org/ontology/bibo/status/published>;
	bibo:volume "54";
	dct:creator <http://oar.icrisat.org/id/person/ext-9e25cb4b7ab14111d14d4e4e49213e1e>,
		<http://oar.icrisat.org/id/person/ext-b81bdbb9615b3dd656c41f5c0089cf99>,
		<http://oar.icrisat.org/id/person/ext-da6f5888f1aa3cdd07eb46a554886656>;
	dct:date "1999";
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		<http://oar.icrisat.org/id/publication/ext-7a4d901a5f246fc11710ea36e70f079b>;
	dct:publisher <http://oar.icrisat.org/id/org/ext-998e3c118929420434742f1c86eaa2fb>;
	dct:subject <http://oar.icrisat.org/id/subject/s1.4>;
	dct:title "Leaf phosphorus and sorghum yield under rainfed cropping of a Vertisol"^^xsd:string;
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		bibo:Article,
		ep:ArticleEPrint,
		ep:EPrint;
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<http://oar.icrisat.org/id/subject/s1.4>
	rdf:type skos:Concept;
	skos:prefLabel "Sorghum"@en .

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	foaf:name "Kluwer"^^xsd:string;
	rdf:type foaf:Organization .

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	foaf:familyName "Rao"^^xsd:string;
	foaf:givenName "J K"^^xsd:string;
	foaf:name "J K Rao"^^xsd:string;
	rdf:type foaf:Person .

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	foaf:familyName "Rahman"^^xsd:string;
	foaf:givenName "M H"^^xsd:string;
	foaf:name "M H Rahman"^^xsd:string;
	rdf:type foaf:Person .

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	foaf:familyName "Sahrawat"^^xsd:string;
	foaf:givenName "K L"^^xsd:string;
	foaf:name "K L Sahrawat"^^xsd:string;
	rdf:type foaf:Person .

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	foaf:name "Nutrient Cycling in Agroecosystems"^^xsd:string;
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