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Mechanical cultivation and upkeep operations


, : Mechanical cultivation and upkeep operations. Planter 55: 290-300

Equipment and costs for the mechanization of weed and pest control, and fertilizer application for oil palm crops are discussed.

US$29.90


Other references

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Minkoff, R., 1984: Cell cycle analysis of facial mesenchyme in the chick embryo 1. labeled mitoses and continuous labeling studies. Cell cycle parameters were analyzed in mesenchyme of the maxillary process and the roof of the stomodeum in the chick embryo from stages 19 through 28. The generation times at stages 24-26 were determined by pulse labeling of embryos with [3H]thym...

Xiong Heigang; Liu Gennian; Song Changqing; Cui Zhijiu; Sun Lin, 2001: The characteristics of frost weathering on King George Island, Antarctica. Freeze-thaw action is a factor in frost weathering in Antarctica. The weathering rate of rock depends on the frequency, intensity and time of freeze-thaw action. In order to understanding the characteristics of frost weathering in Antarctica, some...

Sun, D-Qin.; Wu, S-Jie.; Liu, W-Yue.; Lu, Q-Di.; Zhu, G-Qi.; Shi, K-Qing.; Braddock, M.; Song, D.; Zheng, M-Hua., 2016: Serum uric acid: a new therapeutic target for nonalcoholic fatty liver disease. Nonalcoholic fatty liver disease (NAFLD) is a major, worldwide public health problem. NAFLD is recognized as a major cause of liver-related morbidity and mortality. However, physicians are currently limited by available treatment options. Recently...

Zhang, A.; Cheng, T., P.O.; Altura, B., T.; Altura, B., M., 1996: Acute cocaine results in rapid rises in intracellular free calcium concentration in canine cerebral vascular smooth muscle cells: Possible relation to etiology of stroke. Effects of cocaine on intracellular free calcium concentration ((Ca-2+)-i) in cultured canine cerebral vascular smooth muscle cells were studied using digital imaging microscopy and the calcium molecular fluorescent indicator, fura-2. Acute treatm...

Amamiya, T.; Inada, T.; Katsuno, W.; Murakami, S., 1991: A clinical trial on prescribed hemodialysis. Nihon Rinsho. Japanese Journal of Clinical Medicine 49 Suppl: 382-388

Kron, M.; Loy, S.; Sturm, E.; Nikolaus, T.; Becker, C., 2003: Risk indicators for falls in institutionalized frail elderly. The aim of this study was to identify individual predisposing risk indicators for falls in a sample of institutionalized frail elderly in southern Germany. The design was a prospective observational study with a 1-year follow-up (October 1998-Sept...

Y.M.; Dovichi N.J., 1989: Attomole amino acid determination by capillary zone electrophoresis with thermooptical absorbance detection. Attomole quantities of 4-(dimethylamino)azobenzene-4'-sulfonyl chloride derivatized amino acids are separated by using capillary zone electrophoresis in a mixed acetonitrile/aqueous buffer system. Detection is performed with an on-column ther...

Li, G.; Elder, R.T.; Qin, K.; Park, H.Ung.; Liang, D.; Zhao, R.Y., 2007: Phosphatase type 2A-dependent and -independent pathways for ATR phosphorylation of Chk1. ATM and Rad3-related (ATR) is a regulatory kinase that, when activated by hydroxyurea, UV, or human immunodeficiency virus-1 Vpr, causes cell cycle arrest through Chk1-Ser superscript 345(B phosphorylation. We demonstrate here that of these three...