Zobrazeno 1 - 10
of 32
pro vyhledávání: '"Valensi Kautsar"'
Publikováno v:
Jurnal Agro Industri Perkebunan, Pp 105-116 (2023)
In oil palm growth, planting density has a sustainable impact on its productivity. To enhance the long-term growth and production yield of oil palm, it is crucial to consider the establishment of appropriate planting densities during the initial plan
Externí odkaz:
https://doaj.org/article/9f7b71c6414f4dc28a483c7836be07ab
Publikováno v:
Jurnal Ilmiah Pertanian, Vol 20, Iss 3 (2023)
Eggplant cultivation displays versatility across various soil types. However, nutrient depletion, a result of excessive chemical fertilizer utilization, presents a growing concern. The integration of green manure into agricultural practices, catering
Externí odkaz:
https://doaj.org/article/df6fb2d370364a12a17dcd212cb5308e
Autor:
Margi Asih Maimunah, Valensi Kautsar, Putu Oki Bimantara, Samuel Munyaka Kimani, Asih Indah Utami, Riza Kurnia Sabri, Keitaro Tawaraya, Sri Nuryani Hidayah Utami, Benito Heru Purwanto, Weiguo Cheng
Publikováno v:
Planta Tropika: Jurnal Agrosains, Vol 10, Iss 1, Pp 45-54 (2022)
Appropriate weeds control is needed against weeds constraints in field, especially the organic field. With the appropriate management, weeding would benefit the organic field not only in reducing weeds but also in increasing nitrogen (N) availability
Externí odkaz:
https://doaj.org/article/72160b6c6a7d468c9476243a75ec6de9
Autor:
Margi Asih Maimunah, Valensi Kautsar, Putu Oki Bimantara, Samuel Munyaka Kimani, Ren Torita, Keitaro Tawaraya, Hideki Murayama, Sri Nuryani Hidayah Utami, Benito Heru Purwanto, Weiguo Cheng
Publikováno v:
Agronomy, Vol 11, Iss 10, p 1904 (2021)
Different weeding frequencies (WFs)―0WF, 2WF, 4WF, 6WF, and 8WF―were adopted in an organic rice field to investigate their influence on weed types, rice and weed biomass, rice tiller and weed number, N concentration, and N uptake. The study field
Externí odkaz:
https://doaj.org/article/a6dcfc9654094197a2158530bc7c5415
Autor:
Weiguo Cheng, Miwa Takei, Chizuru Sato, Valensi Kautsar, Yuka Sasaki, Satoru Sato, Keitaro Tawaraya, Hironori Yasuda
Publikováno v:
Journal of Wetlands Environmental Management, Vol 3, Iss 1 (2015)
Organic farming uses alternatives to agricultural chemicals such as synthetic fertilizers and pesticides. The primary challenge in organic rice farming is controlling weeds without using herbicides and improving rice yield without chemical fertilizer
Externí odkaz:
https://doaj.org/article/2450fd8d33f24fa28cc334207b0a1ba0
Publikováno v:
Jurnal Pertanian Tropik. 9:232-239
The availability of nutrients and water are two things that are essential for the development of plants. Future oil palm agriculture will require a strategy for the management of water because of the erratic nature of the weather. The addition of org
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::64273f4ae0bf812cd94685f9b9e52ee6
https://doi.org/10.32734/jpt.v9i3.9933
https://doi.org/10.32734/jpt.v9i3.9933
Respon bibit kelapa sawit terhadap aplikasi urea berlapis zeolit sebagai pupuk slow release nitrogen
Publikováno v:
Jurnal Pengelolaan Perkebunan (JPP). 4:1-7
Nitrogen merupakan unsur hara esensial, oleh karenanya ketersediaan nitrogen anorganik sangat penting dalam mendukung perkembangan bibit kelapa sawit. Adanya sifat urea yang lepas cepat, menyebabkan urea mudah hilang sebelum diserap oleh tanaman. Ber
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6ab27d930002bd71831b232bda2cf3e6
https://doi.org/10.54387/jpp.v4i1.32
https://doi.org/10.54387/jpp.v4i1.32
Publikováno v:
Proceeding of International Conference on Science and Technology. :49-55
The presence of leaf-eating caterpillars is one of the most common concerns in oil palm fields. Besides the use of insecticides, the growth of beneficial plants such as T. subulata can assist in fighting caterpillar infestations. This is owing to the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a421a8f55e080939592d97a21ecd1830
https://doi.org/10.36378/internationalconferenceuniks.v0i0.2823
https://doi.org/10.36378/internationalconferenceuniks.v0i0.2823
Autor:
Samuel Munyaka Kimani, Putu Oki Bimantara, Valensi Kautsar, Ren Torita, Satoshi Hattori, Keitaro Tawaraya, Shigeto Sudo, Weiguo Cheng
Publikováno v:
Soil Science and Plant Nutrition. 68:246-255
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::10a8db0f374a38cb6f5fa1fefcd45c73
https://doi.org/10.1080/00380768.2022.2047580
https://doi.org/10.1080/00380768.2022.2047580
Autor:
Valensi Kautsar, Shuirong Tang, Samuel Munyaka Kimani, Keitaro Tawaraya, Ji Wu, Kazunobu Toriyama, Kazuhiko Kobayashi, Weiguo Cheng
Publikováno v:
Soil Science and Plant Nutrition. 68:158-166
Foxtail (Alopecurus aequalis) and milk vetch (Astragalus sinicus) are typical winter weeds grown in single-cropping rice fields during the fallow season in central Japan. These winter weeds are generally incorporated into the soil as green manure dur
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c29db8afa15ac83a131ab98f602b68df
https://doi.org/10.1080/00380768.2021.2024424
https://doi.org/10.1080/00380768.2021.2024424