Altaf Kuntoji, Subbarayappa Ct, P. Basavaraja, G. K. Mukunda
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引用次数: 1
摘要
采用10个处理、3个重复的随机完全区组设计，研究了不同硼源和硼水平对番茄养分含量的影响。硼砂作为土壤施用，硼酸或金属酸硼作为叶面喷雾施用。施用B能提高番茄植株(茎部和果实)的养分含量。土壤施肥推荐剂量为1.1 kg B ha-1，叶面喷施0.05% B(金属酸硼)的处理，植株和果实的养分含量最高。施用硼砂、RDF + 2.2 kg B ha-1的T4处理在喷施前1天叶片中B的浓度较高，而在营养期第一次喷施后1周;结果表明，在第2次喷施前1天和第2次喷施后1周，结果表明，与第1次喷施相比，T10处理土壤中施用RDF +硼砂中1.1 kg B hm -1，叶面上施用0.05%硼，其B含量显著高于第1次喷施的RDF (T1)。收获时，相对于其他喷施间隔周，各处理的B浓度显著降低。
Nutrient content of tomato as influenced by different sources and levels of boron
A field experiment was conducted to evaluate different sources and levels of boron (B) on nutrient content in tomato in a randomized complete block design with ten treatments and three replications. Boron was applied through borax as soil application and boric acid or boron metalosate as foliar spray. Application of B enhanced the nutrient content in tomato crop (haulm and fruits). The treatment receiving recommended dose of fertilizer (RDF) with 1.1 kg B ha-1 as soil application and 0.05% B (boron metalosate) as foliar spray recorded the highest nutrient contents in both haulm and fruits. The concentration of B in leaf at one day before spray was recorded higher in the treatment T4 receiving RDF + 2.2 kg B ha-1 through borax as soil application, whereas at one week after 1st spray at vegetative stage, one day before 2nd spray and one week after 2nd spray at fruit setting stage significantly higher B content was recorded in T10 treatment consists of RDF + 1.1 kg B ha-1 through borax as soil application followed by 0.05% B through boron metalosate as foliar application compared to RDF (T1). At harvest, concentration of B was significantly reduced in the treatments with respect to other weeks of interval of spray.
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To cultivate and promote soil science and kindred branches of science. To disseminate the knowledge of soil science and its applications, through meetings, discussions, and publications. To promote judicious interactive use of soil, water and other natural resources, fertilizer and other inputs to maintain quality and resilience of soil for sustainable agriculture. To foster high standards in the teaching and education of soil science. To work in close association with learned societies and organizations having similar objectives. To create public awareness about the importance of soil as a finite natural resource. To carry out research and to perform all other acts, matters, and things that may assist in, or be conduce to, or be necessary for the fulfillment of objectives and purposes of the Society.
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