不同羊粪和牛粪配比对玉米生长响应的生物物理监测

Yuda C. Hariadi, Arry Y. Nurhayati, P. Hariyani
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引用次数: 27

摘要

目前,印度尼西亚的目标是通过实现自己的生产来满足全国对玉米的需求。该政策将有利于当地农民和社区的社会经济,并创造各种就业机会。满足需求的努力应维持生产的可持续性,即使如此,许多迹象表明土壤的能力下降已经增加。土壤承载力的降低可能导致生产力的降低。许多有据可查的数据表明,使用有机肥(如粪肥)可能改善土壤的生物特性,以及所获得玉米的营养、产量和质量。然而,这些改善取决于施用于土壤的绿色肥料的化学成分。肥料的化学成分、营养成分和重金属含量因日粮的不同而不同。农民很少注意到他们的植物可能被铅污染的可能性。众所周知,铅对植物有有害的影响。因此,监测效果是必要的。该研究致力于通过促进羊粪和牛粪等肥料在玉米种植中的使用来提高生产力。采用不同配比的羊粪和牛粪对温室玉米的土壤介质生长进行了试验。通过测量叶片表面电差和面积,观察黄化迹象,对其生长进行生物物理监测。结果表明,土壤中添加有机肥比单纯土壤中增加了玉米的叶面积和电位差。综上所述,牛粪、羊粪等可再生肥料对植物生长具有重要的促进作用。2/3土壤+ 1/3羊粪的组合对叶片生长最有利,其次是2/3土壤+ 1/3牛粪的组合。没有发现诸如黄萎病等压力症状的迹象;这意味着研究中使用的所有肥料成分对植物和土壤都是安全的,不会对人体安全构成威胁。需要进一步监测以确保没有铅污染。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Biophysical Monitoring on the Effect on Different Composition of Goat and Cow Manure on the Growth Response of Maize to Support Sustainability

Currently Indonesia has targeted to satisfy the national demand of maize by fulfilling its own production. The policy will benefit the social economy of the local farmers and communities and create a variety of jobs. Attempts in fulfilling demand should uphold production sustainability, even then many indication show declining capability of soil to have increased. Reducing the capability of soil may lead to the reducing of productivity. Many well-documented data show that using organic fertilizer such as manure might improve soil's biological properties as well as its nutrition, production and quality of the obtained maize. Nevertheless, these improvements depend on the chemical composition of the green manures applied to the soil. Manures have different varieties in its chemical composition of nutrition, and heavy metal content depending on the diet. Little attention has been given by farmers on the probability of their plants might be contaminated by lead. Lead has been known to have a detrimental effect on plants. Therefore monitoring the effect is needed. The research was dedicated to participate on the effort of increasing productivity by promoting manure usage such as goat and cow manure on growing maize. Different compositions of goat and cow manure were applied on the soil media growth of maize on the glasshouse. The growth was monitored biophysically by measuring the leaves surface electrical difference and area and observing for signs of chlorosis. Result has shown that the addition of manure on soil has increases leaf area and electrical potential difference compared to the maize grown in a mere soil media. It is concluded that renewable fertilizer such as cow and goat manure was important in increasing plant growth. A composition of 2/3 soil and 1/3 goat manure was optimal for the leaves growth followed by composition of 2/3 soil and 1/3 cow manure. No signs of stress symptoms such as chlorosis were found; meaning that on all compositions of manure used in the research might be safe for plant and soil and pose no threat for human safety. Further monitoring is needed to ensure no lead contamination.

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