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neraca hara n, p, k pada beberapa pola tumpangsari sayuran organik

neraca hara n, p, k pada beberapa pola tumpangsari sayuran organik

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24<br />

D. Setyorini dan W. Hartatik<br />

Dalgaard, R., N. Halberg, I.S. Kristensen, and I. Larsen. 2006. Modelling<br />

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Jae-Hoon Shin. 2009. Nutrient balance and vegetable crop production as<br />

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Khai, M.N., P.Q. Ha, and I. Öborn. 2007. Nutrient flows in small-scale peri-urban<br />

vegetable farming systems in Southeast Asia-A case study in Hanoi.<br />

Agriculture, Ecosystems and Environment 122:192–202.<br />

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Saraswati, D. Buchan, and S. De Neve. 2009. Effect of organic and<br />

conventional farming on soil microbiological and N dynamics in Java,<br />

Indonesia. Dep. of Soil Management, Ghent Univ., Belgium.<br />

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